Chevy 350 vacuum lines

I show and discuss that just changing the Modulator may not help anything. that the valve in the transmission case may be the issue. watch this video in its ...

What causes a Camaro iroc-Z with a 5.7L 350 T. I have a 1988 Camaro iroc-Z with a 5.7L 350 TPI engine and I'm looking for a vacuum diagram. It overheats when it sits and idles, runs rough with a high idle. All gaskets are correct and the engine just got completely redone except boring out the pistons. The heads were magnafluxed, shaved, valve ...Andy Phillips shows an easy method to fix a broken vacuum line on your vehicle. Save the money on having to replace the entire line by learning this quick an...C3 Tech/Performance - Need a picture of 1971 engine with proper vacuum routing - I'm having a hard time figuring out the standard 350 vacuum line routing for the vacuum tank, distributor, CEC solenoid, PCV, and automatic transmission modulator. Does anyone have a picture Alan71's engine? I have seen it a couple of...What causes a Camaro iroc-Z with a 5.7L 350 T. I have a 1988 Camaro iroc-Z with a 5.7L 350 TPI engine and I'm looking for a vacuum diagram. It overheats when it sits and idles, runs rough with a high idle. All gaskets are correct and the engine just got completely redone except boring out the pistons. The heads were magnafluxed, shaved, valve ... Replacements Of Original. Fits Turbo 350, Left Side Modulator. Stainless Steel Construction. Factory Style Line. Maximum Corrosion Resistance. These El Camino replacement transmission lines have been manufactured to meet or exceed factory specifications and performance. You will find the fit and function will work perfectly for your vehicle. The vacuum lines carry a negative pressure, or vacuum, which is used to control the movement of air, fuel, and other fluids within the engine. A vacuum line diagram helps …

sandygraves Discussion starter. 5 posts · Joined 2013. #1 · Sep 23, 2013. I am trying to find a vacuum hose diagram for my husbands work truck. It isato 1997 Chevy 2500 350 vortec. Most sites suggested buying a manual but I can't right now. We live in the country and nothing is open.This preformed engine line will replace the vacuum advance line running from the vacuum source to the vacuum advance canister. Our replacement lines are engineered from factory original lines, CNC manufactured for precision, and include the correct fittings and flares (where equipped). Details. SKU: CTT72B6;Vacuum line connection locations for '85 C20 with AC. I'm a newbie here, first post. Put a crate 350 in y '85 Scottsdale. It has AC and a th400 and Ca. emissions crap. All stock. My AC controls (and heater, defroster, fan) don't work and I find the vacuum reservoir "ball" has a line going through the firewall but the other line is cut.first thing to do is to see if the vacuum pump at the back of the motor has any vacuum,, ( the thing at the back of the motor where the distributor usually goes).. if it does chase the hoses and make sure there is vacuum to anyplace that that Main vacuum hoses connect to,, look for broken lines,cracked T's and so forth,, there is a vacuum line ...Anonymous. 1776 Answers. SOURCE: need a vacuum hose schematic diagram for a 1985. I suggest visiting autozone.com and register the truck there. It's free and will give you access to an online repair manual. The vacuum diagrams should be available there. Hope this helped and best wishes. Posted on Sep 01, 2009.Vacuum lines on a Chevy 350 . Hey Guys, Quick question here. While replacing my thermostat, i happened to break off a vacuum line going to the top of the t-stat housing. It was the only line running to it (there there were slots for 4 more) I traced it back to round cylinder type thing on the driver side up by the headlights. The specific ...One outlet is for the power brake booster and the other is for the Vacuum Modulator on the transmission. Its entirely possible that your connection is supplying …I recently bought a 1995 2 door Tahoe 4WD with the original 5.7 TBI with 278XXX miles. I have a vacuum line that originates behind the TBI from a metal fitting threaded into the top of the manifold. The line is then draped over the drivers side valve cover and is not connected to anything on the other end.

It consists of a GM Goodwrench 350 longblock with a Performer intake and 600cfm 1406 Edelbrock carb with HEI ignition.....Very basic. With the initial timing set at around 15 degrees and idle speed at around 700-750 rpm in park, the vacuum at idle measures around 14". I was thinking that it should be much higher considering the engine is not ...The typical cost to replace a faulty transmission vacuum modulator ranges between $150 and $390 for parts and labor. However, the total cost can vary depending on the specific vehicle and who does the work. Parts Cost: The vacuum modulator replacement part itself usually costs between $30 and $150. More complex modulators …68-82 Black 350 Vacuum Line Dress Up ; Base Unit of Measure, KIT ; Net Weight, 0.9 ; Car Years 1, 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 ...(5) Hard line going to the brake booster (1) another image of the MAP connection to the rear of the throttle body base (6) Connection 6 is on the rear of the intake manifold. I think this is a vacuum line and I have it running up to a tee, connected to the vacuum cannister, cruise control (non-op right now) and the HVAC vacuum line.What is the 94 Chevy Caprice Classic wiper arm. heres a wiper linkage asm diagram, the wiper washers are on the hood or on the cover to deck,then the hose runs through the wiper arm to a nozzle, if you remove the arms you can lift cover enough to look at the hose to washer connection,also check hose to arm they often break there good luck.

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Vacuum lines and emissions stuff. 1978 Caballero, 350 V8 w/quadrajet, stock engine/tranny, planning to convert exhaust to true duals with glasspacks (stock manifolds). Getting carb rebuilt, so would be a good time to address this.The vacuum modulator, together with the governor, controls the shift points on the TH350 transmission. All stock TH350s were manufactured the same; their differences in shift characteristics for specific engines and vehicles were set with the governor and modulator.Chevy 350 is just what we call that motor because Chevy is the most popular of the gm lines, but really its a GM 350. Having said that, a Buick, Pontiac, Chevy, or Oldsmobile motor are the same ...Each clockwise turn of the Allen wrench will add about 1.5 degrees of additional advance above 5 to 7 inches of manifold vacuum. The maximum is about 14 degrees of vacuum advance. If too much advance is added, the engine will either start to knock or ping or perhaps it may surge slightly at very light throttle opening with high …Rebuilding vacuum lines & emissions controls in a 1979 K10 350/5.7. A previous owner intended to register this truck as off-road only or in a non-smog county in CA, and none of the emissions or exhaust were in place when I bought it. I was living in OR at the time so I wasn’t worried, but now that I’m back in CA I’ve been trying to ...Author Topic: Vacuum Diagrams 1980-1986 (Read 3663 times) . VileZambonie. Global Moderator; Senior Member; Posts: 19026; Vacuum Diagrams 1980-1986 « on: December 31, 2018, 07:43:26 AM »

Our team of research specialists bought and tested the best upright vacuums on the market to help you make a smart purchase. Expert Advice On Improving Your Home Videos Latest View...2024 Upgraded Intake Manifold Vacuum T Fitting 3/8" NPT Thread 1/4" & 3/8" Nipple Steel ZINC for SBC BBC Chevy GMC Olds Cadillac Pontiac Buick Ford. $16.99 $ 16. 99. FREE delivery Apr 16 - 19 . ... 80PCS Vacuum Hose Caps, Connector Assortment 6 Sizes Black Rubber Cap, Automotive Topomatic Replacement Parts for Carburetor Vacuum Plugs, Intake ...AutoZoneGM Chevy Mid-Size Cars 1964-1988 Repair Guide ... Fig. Fig. 4: 1971 V8 enginevacuum hoses ... Fig. Fig. 12: 1976 350 V8 engine-4bbl with EFE and AIR injection systems .... Fig. Fig. 52: 1980 5.7L V8 engine-automatic transmission federal. images for 1988 Chevy V8 5.7L 350 4bbl vacuum ...93 Chevy K3500: 6.5 Turbo, long-bed X-cab, 5-speed manual, 4x4, named Grumbly. 86 Chevy K5 Blazer: 6.2 diesel, 700R4, NP208, 3.73 gears. Going to be my Moab trruck. ... They do have a vacuum line that runs to the VRV on the passenger side of the injection pump and then another line from there to the transmission, but otherwise they are very ...It is best to use a metal line for all but the connections at the modulator valve and if necessary at the intake manifold. If you try to run a rubber hose the full length the …Small Block Chevy 350 Engine Parts Carb Diagram Vacuum Lines. The Small Block Chevy 350 engine is a classic and popular choice among car enthusiasts due to its reliability and performance. One essential component of this engine is the carburetor, which plays a crucial role in delivering the correct fuel-to-air mixture for combustion.1982 Chevy 305 with ESC, Need the vacuum diagram. 30 1986 chevy truck vacuum diagram Vacuum line diagram for chevy 305 Diagram chevy silverado hose heater 1981 2004 vacuum truck engine gmc 1500 2005 fixya where find. Diagram vacuum caprice 305 1984 engine classic v8 transmission repair autozone fig diagrams 0l 4bbl automatic manual california guideHere is a list of what my set up has so if someone is positive how to complete this, I would greatly appreciate it. 1. Throttle body has 1 port. 2. LS6 intake has 3 ports. --- One behind the throttle body on the drivers side. This also has a weird opening above it and I've included a picture below. 3.Check this diagrams for 1985 Chevrolet Truck G30 1 ton Van 5.0L 4BL 8cyl (click over pic for zoom)... Fig. 123: 1985 5.0L and 5.7L engines-Federal with automatic transmission (G10, 20 and 30 models) Fig. 126: 1985 5.0L and 5.7L engines-California with automatic transmission (G10, 20 and 30 models) Hope this helps.Turbo 350 Vacuum. I just got my TH350 rebuilt and it is not shifting into third unless I take my foot off the gas. as soon as I touch the gas again it goes into second. The transmission shop is saying that my engine probably doesn't have enough vacuum. It is a brand new crate engine cam specs are.435/.460 and 212/222 @.050.2024 Upgraded Intake Manifold Vacuum T Fitting 3/8" NPT Thread 1/4" & 3/8" Nipple Steel ZINC for SBC BBC Chevy GMC Olds Cadillac Pontiac Buick Ford. $17.99 $ 17. 99. FREE delivery Thu, May 9 on $35 of items shipped by Amazon. Only 1 left in stock - order soon. Add to cart- ... 80PCS Vacuum Hose Caps, Connector Assortment 6 Sizes Black Rubber ...

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There is a vacuum reservoir (Black canister) under the hood on top of the A/C plenum. One vacuum line runs over from that reservoir to manifold vacuum. The other line on the reservoir runs over a short distance and then goes through a grommet in the firewall and over to your HVAC controls. That is the vacuum that runs to the vacuum motors. Bruce350/5.7. The actuating line for the TH350 modulator can go either straight to the intake manifold (there's usualy a tap point right behind the carb mount) or to an up-ported tap on the q-jet. Vacuum advance line comes from the factory hooked up to a manifold port on the Q-jet but there are many different views on that.DRJEFFCOYLE. MEMBER. 1997 CHEVROLET TRUCK. The pcv hose on the driver side of the 5.7 liter engine connects from the valve cover to the intake manifold. There is another smaller vacuum line that comes from this connection at the intake manifold. Where does this vacuum line connect?Trying to replace vacuum lines in 1981 chevy C10 350 4bbl. Can you tell or show me where the lines tie in? - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... 1981 chevy 350 with 4bbl edelbrock and points ignition.81 Chevy K20 350 4" Rough Country lift ridin on 35's ; 2 12 inch Subwoofers w/ a custom interior Eagle Scout - 2012 Proud to be one! Engineer. ... I also had a problem with the vacuum line being loose and coming off then slipping back on which ofcourse new line fixed that. Logged 1979 Chevrolet Silverado C20 rclb cammed 355/th400/4.10 - soldChevelle Transmission Lines. 1964-1977 Chevelle Transmission Lines Parts. Close. have any question? ... 1967-1968 Chevelle TH350 Stainless Steel Transmission Vacuum Lines. Part #: CTV6703SS | Manufacturer Part #: CTV6703SS $55.99 $50.99 ... 1964-1977 Chevy Chevelle Transmission Cooler Hose Kit. Part #: GCS-S5047 | Manufacturer Part #: GCS-S5047 ...Posted on Feb 21, 2010. SOURCE: need vacuum line diagram for 1990 Chevy Silverado. The vacuum diagram for the truck should be printed on a factory sticker right next to the hood latch inside the engine compartment. If its missing or ruined you could try looking inside a Chilton or Haynes manual.

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There should be a sticker on the front radiator core support the describes the emissions setup with vacuum hoses. I'll try to get a pic of mine later tonight. For the other vacuum hoses, a Haynes or Chilton manual might have it. 1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles.The vacuum modulator, together with the governor, controls the shift points on the TH350 transmission. All stock TH350s were manufactured the same; their differences in shift characteristics for specific engines and vehicles were set with the governor and modulator.5.7l. Looking at the carb on my 350 5.7l I have almost all the vacuum ports plugged off. The only ones connected are PCV valve to large port on front of carb. And …1972 C10 350 Quadrajet Engine Vacuum Lines The 1967 - 1972 Chevrolet & GMC Pickups Message Board Register or Log In To remove these ... '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA 03-12-2022, 11:40 PM #11: towbar. Registered User ...Find CHEVROLET 5.7L/350 Vacuum Lines and get Free Shipping on Orders Over $109 at Summit Racing! ... Power Brake Booster Vacuum Hose, Rubber/Steel, Chevrolet, GMC, Each.In response to lstuart270. take losts of fics and notes and then remove all vacuum lines and fittings and go to a parts store and buy what you need. i have never seen a kit. 56 bel air ( (since 2002) 62 impala ss (since 1965) 65 el camino (since 1969) 66 nova (since 1987) 67 malibu convertible (since 1981)Start planning your trip to Hawaii now, with round-trip fares to the island state from $350. Update: Some offers mentioned below are no longer available. View the current offers he...There are several variations of the Chevy 350 engine that come with different horsepower ratings. Chevrolet indicates that the deluxe model of its small crate engine has 290 horsep...SecosAutoparts Brake Booster Vacuum Hose Replaces# 1J0612041GD 1J0 612 041GD 1J0612041G Compatible with VW Jetta Golf 1998-2006 Beetle 1999-2005 ALH TDI for AUDI A3 1997-2003. dummy. GM Genuine Parts 176-1731 Power Brake Booster Vacuum Hose. Try again! Details . Added to Cart. Add to Cart . Try again! Details . Added to Cart.Turbo 350 Vacuum. I just got my TH350 rebuilt and it is not shifting into third unless I take my foot off the gas. as soon as I touch the gas again it goes into second. The transmission shop is saying that my engine probably doesn't have enough vacuum. It is a brand new crate engine cam specs are.435/.460 and 212/222 @.050.the carb line goes to a nipple that is between the throttle plates and the choke plate (so it sees high vacuum for cold starts and closes the snout valve) these vac fittings are small, so even open, they do not change the way a car runs that much. Kevin. 69' SS-350 Convert, M20, 3.31 posi.As far as the low vacuum reading goes it could be as simple as the timing being slightly retarded or the distributor vacuum advance not working properly. At idle, more ignition timing means more manifold vacuum, at least up to a certain point. Also at 85,000 miles on an untouched SBC it might be time for a new cam timing chain and gear … ….

Ended up with the port vacuum capped off and the spark advance and air cleaner things hooked to manifold vacuum; the Spark Control Switch is now completely bipassed. I adjusted timing with a vacuum gauge (don't own a timing light) to get the highest reading from 15" of Hg to 20", then down about 1" to avoid ping under load.I just added a brake booster to my 55 it has a 350 motor, were do I put the vacuum line to. ... 1956, and 1957 Chevy owners and enthusiasts. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models including Belair, 210, 150, Sedans ...The vacuum modulator needs to be hooked up to full manifold vacuum. You can run the transmission without a kick down cable but you have to downshift manually. There are many universal cable setups or you can opt for a factory replacement and stock brackets. Just a note, you need the other 3/4's of your cam. You're just jealous because you can't ...OO52. 1105 posts · Joined 2012. #3 · May 19, 2020. Assembly manual is a required item along with the Service manuals if you want to do any work on your car. Especially if you're keeping it near stock. If you have a California car, there are additional vacuum lines for the evaporative system (NA9)Jul 27, 2016 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 350 Air Cleaner Vacuum Line Photo Needed You read correctly that the vacuum modulator failure will cause a hard shift. The modulator receives a vacuum signal from the intake manifold (in most cases). It tells the transmission how much load is being placed on it. The pressure is increased in low vacuum conditions, i.e. full throttle. The diaphragm inside that modulator is obviously ...Find steel and stainless steel automatic transmission vacuum lines for Powerglide, TH350, TH400, C-4, C-6, Torqueflite & more. Shop Summit Racing now!The vacuum system in a 1979 Chevy 350 consists of various hoses and connections that work together to control the air and fuel mixture, as well as other engine functions. These connections are mapped out in a vacuum diagram, which serves as a roadmap for troubleshooting and repairing any issues related to the vacuum system.The most common of those, at least with the older GM cars, is the Turbo-Hydramatic (TH) 350, TH400, and 700R4. All three of these gearboxes have earned their stripes over the years, particularly the TH400 as the unit to rely on in a purpose-built drag car. ... The culprit is usually because the original vacuum line running from the intake ... Chevy 350 vacuum lines, The smog pump should be putting air into the exhaust at partial throttle, but not upon decel. If passing a smog check is not needed, forget all this.. rip out all the vacuum switches, disconnect the egr, hook the dist vacuum advance straight to the carb and take the belt off the smog pump. 3., The vacuum line diagram for a Chevy 350 engine shows the routing of the vacuum lines and the connections between the different components. It provides a visual guide for car owners and mechanics to follow when inspecting or repairing the vacuum system., Manifold vacuum pressure is highest with the throttle plates are closed and the vehicle is idling. At this time there is no ported vacuum pressure. The throttle plates create a ported signal once they open and air flows past the base plate of the carburetor. Deteriorated or broken vacuum lines can create the same symptoms as a malfunctioning ..., 1988 chev k2500 350 tbi vacuum hose routing vacuum line routing - Chevrolet 2500 question. Search Fixya. Browse Categories Answer Questions . Chevrolet 2500 Car and Truck; Chevrolet Car and Truck; Cars & Trucks ... SOURCE: 88 chev,350, stick,2wd, 3500, gas flows to., - Vacuum line from the barbed port on the rear side (two ports) of the EGR solenoid to the EGR valve ... Vehicle: 1995 Chevrolet K1500 stock 350 TBI; 153k miles. Symptoms: Stumble/hesitation/chuggi ng on application of very slight throttle. Crawling up inclines or slowly accelerating from green light or in parking lots, engine would stumble …, Shop 350 Chevy Small Block V8, Thermostats, Housings, Outlets, Hoses and get Free Shipping on orders over $149 at Speedway Motors. ... Chevy Straight Water Neck & 180 Degree High Flow Thermostat (1) Material Type: Aluminum. Finish: Polished. Hardware Included: Yes. $47.99 /kit. $54.99. Add to Cart-9%., need a vacuum hose diagram for an 88 chevy stepside w/ 350 5.7 liter throttle body injected engine - Chevrolet Chevy question. Search Fixya. Browse Categories ... images for 1988 Chevy V8 5.7L 350 4bbl vacuum ... Read full answer. Nov 23, 2015 • Cars & Trucks. 0 helpful. 1 answer., AutoZoneGM Chevy Mid-Size Cars 1964-1988 Repair Guide ... Fig. Fig. 4: 1971 V8 enginevacuum hoses ... Fig. Fig. 12: 1976 350 V8 engine-4bbl with EFE and AIR injection systems .... Fig. Fig. 52: 1980 5.7L V8 engine-automatic transmission federal. images for 1988 Chevy V8 5.7L 350 4bbl vacuum ..., This is a stock new rebuilt 350, stock cam, Edlebrock 2101, rochester q-jet. Unplugged my vacuum advance and plugged the vacuum port on the carb and then set the initial timing to 6 degrees advanced at 600rpms. I then removed the plug from the port on the carb and plugged in my vacuum gauge. in park, at 600rmps the engine pulls 15", 3) Smaller hose from front base of the carb to distributor The first 2 are dedicated lines. #3 has a Y fitting to a diaphragm on the pass side of the carb (which I'm questioning at this point). But the PCV and pbrake are separate. I should add that this is a non-A/C car. Hope this helps, Tom-----TC Member #59 '70 Malibu 350/4speed '90 John ..., Jan 27, 2006 · Specs- 350 engine, Edelbrock Performer EPS manifold, Holley 4160, TH350 trans (rebuilt w/shift kit), 3.73 posi. I stopped at the transmission place that rebuilt my transmission about a year ago. They looked at it and said the vacuum line should be connected to a vacuum port directly on the manifold, ie. the same one that the brake power booster ... , Introduced as a performance engine in 1967, the 350 went on to be employed in both high- and low-output variants across the entire Chevrolet product line. Although all of Chevrolet's siblings of the period (Buick, Cadillac, Oldsmobile, Pontiac, and Holden) designed their own V8s, it was the Chevrolet 305 and 350 cu in (5.0 and 5.7 L) small ..., 81 Chevy K20 350 4" Rough Country lift ridin on 35's ; 2 12 inch Subwoofers w/ a custom interior Eagle Scout - 2012 Proud to be one! Engineer. ... I also had a problem with the vacuum line being loose and coming off then slipping back on which ofcourse new line fixed that. Logged 1979 Chevrolet Silverado C20 rclb cammed 355/th400/4.10 - sold, Oct 31, 2022 ... In this video, we finally solve the mystery and I show you where this vacuum line goes on your 91-04 Chevy Blazer, S10, GMC Jimmy, ..., (5) Hard line going to the brake booster (1) another image of the MAP connection to the rear of the throttle body base (6) Connection 6 is on the rear of the intake manifold. I think this is a vacuum line and I have it running up to a tee, connected to the vacuum cannister, cruise control (non-op right now) and the HVAC vacuum line., had an engine fire in 1986 345 airstream w/454 replaced quadrajet with 800cfm edelbrock and summit distributor. vacuum lines melted need correct diagram. ... i need a vacuum diagam for a 1968 chevy c-10, it has a 1973 5.7L 350 V8 with a Rochester Quadrajet Carburetor no electric choke auto. trans. ..., The vacuum diagram for a 1979 Chevy 350 engine shows the various components that rely on vacuum pressure in order to function properly. Understanding how vacuum is …, View Details. $17.95. Estimated to ship direct from manufacturer in 24hrs. Lowest Price Guarantee. Add To Cart. Right Stuff has even the smallest details covered. Your restoration would not be complete without Right Stuff's complete line of OE replacement vacuum lines and tubes. Offered in OE steel or Stainless steel. , With headlights in the UP position, remove the hoses from the "T" to the tops of the relays (see 3 in Figure 1). Attach a short length of vacuum hose and your vacuum pump. Pump until vacuum does not increase. Using a vice grip pliers, pinch off the hose so vac-uum is maintained in the top of the relay., Vacuum line help- what is this and where does it hook to? « on: May 22, 2011, 06:05:48 PM ». I thought the vacuum line to the temp sensor on the air cleaner was where it hooked up. However looking at vacuum diagrams I cannot find it, and I think it tees off a line running to the carb, unless I'm missing a switch somewhere. Logged., Find reliable Camaro cooler and vacuum lines at Camaro Central. Enhance your vehicle's efficiency and durability with our selection of premium vacuum lines. ... 1969 Camaro Transmission Vacuum Modulator Line, TH-350, RH PART NUMBER: TRA-525 Our Price: $37.95 . ... 1978 - 1981 Chevy Camaro Transmission Vacuum Modulator Line For TH-350 PART ..., Jun 11, 2002 · There are differning opinions on where to hook up the vacuum advance line. There are two possible vacuum ports on the carb. One is a ported vacuum source and the other is an unported vacuum source. Try both and use the one that makes the car run the best.-----Pearl blue & white 69 Camaro with supercharged 350, Tremec TKO, and 3.73 12-bolt , In this video, I replace the brake booster vacuum line on the back of the carburetor on Ol' Blue., Vacuum line going to the th350 modulator. Helping a friend out and looking for the "proper" way to hook up the modulator. I have a blown bbc and I have my th350 hooked up to manifold, at the time without much thought other than during normal driving I will have vacuum below the blower and the modulator will function fine and when I get on it, the blower will build boost and send pressure down ..., Chevy Truck Parts 1947-2012 from USA1 Industries. We offer classic truck parts for Chevrolet, GMC, Silverado, Blazer, S10 Pickup & more on our online catalog. Home » Chassis Parts » 1973-1987 » Transmission Vacuum Lines. Printable version. Transmission Vacuum Lines There are no available products under this category. Chevy Truck Parts ..., AREA52. MEMBER. 1989 GMC C1500. 90 MILES. I've replaced the throttle body & all it's electronic components. It surges at idle & dies. It stalls upon acceleration most of time. Once you get the rpm up, it acts like its running out of gas & will die if you don't paddle accelerator. I know the vac. Lines are a problem, just don't know where they ..., DRJEFFCOYLE. MEMBER. 1997 CHEVROLET TRUCK. The pcv hose on the driver side of the 5.7 liter engine connects from the valve cover to the intake manifold. There is another smaller vacuum line that comes from this connection at the intake manifold. Where does this vacuum line connect?, Unplug the vacuum hose and reconnect it to the distributor and take another timing reading at 3000 rpm. This should be at 50*. If not take a 3/32 allen wrench to the vacuum canister and turn the allen head screw clockwise to decrease and counter-clockwise to increase to obtain the correct setting. You will need a timing light with built in advance., units used by Chevrolet on the points-style distributors. I'm also providing a listing of the specs for all other GM ... advance springs in it that allow maximum timing to only come in near red-line rpm, the vacuum advance control ... 1970 Corvette 350 High Perf. 1973-74 454 Exc. HEI VC1810 B28 1965 409 High Perf. 3-5 8 @ 5.75-8 1965 327 High ..., May 24, 2016 · 5444 posts · Joined 2008. #3 · May 24, 2016. I have a turbo 350 and I have my vacuum modulator hooked up to a t fitting with my brake booster and it runs fine there but I have had it hooked up in the past on the timed vacuum port which as soon as your open up the throttle it gets vacuum anyways and it worked just fine. , 764 posts · Joined 2007. #5 · Apr 2, 2009. there are two large vacuum ports on your carb. One in front and one in back, the one in front is for PCV and the one in back is for your power brake booster. The tranny vacuum line typically connects to a port on the manifold, not the carb. (there should be some type of tapped hole that leads into ..., (5) Hard line going to the brake booster (1) another image of the MAP connection to the rear of the throttle body base (6) Connection 6 is on the rear of the intake manifold. I think this is a vacuum line and I have it running up to a tee, connected to the vacuum cannister, cruise control (non-op right now) and the HVAC vacuum line., 1967-69 Camaro, Impala, Caprice, Nova; Vacuum Booster Pipe; Small Block 283, 307, 327, 350. MSRP $32.99 ea. Classic $29.99 ea. VIEW DETAILS. Classic Industries offers a wide selection of Vacuum System Components for your Chevrolet Camaro. Classic Industries offers Chevrolet Camaro Lines.