Chevy 350 vacuum lines.

The underhood end should mount to a factory installed nipple on the rear of the intake manifold with another piece of rubber vacuum hose. If there is no nipple then plug it into the rear of the carb. If the steel line is missing, then get a piece of brake line and use it. The distance is too far for a piece of rubber hose.Jan 21, 2024 · jimmy. Engine Size. 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 turbo 400 to intake manifold. Hei distributor to small port on front carb. There is a vacuum actuator pot on the side of the carb that is capped off that seems ... Check vacuum hose to sensor for leaking or restriction. Be sure that no other vacuum devices are connected to the MAP hose. ... i have a 1994 chevy k1500 5.7 350. the motor had been swapped and almost all the vacuum lines were disconnected/ dry rotted. i hooked them all back up because it had a rough start/ idling problems. no ...SOURCE: Need vacuum diagram. I can't send you a diagram but I can tell you the basics that should get you mobile. Take a vacuum line from the lower front of your carb and hook it to your distributer vacuum advance. Take another from the front of your carb and run it to your EGR valve. It should be beside the carb on the intake manifold. The Chevy 5.7 Vortec Vacuum Diagram is a visual representation of the vacuum system in a Chevy 5.7 Vortec engine. It shows the various components and their connections, including the intake manifold, throttle body, vacuum hoses, and valves. The diagram is important because it helps mechanics and car owners understand how the vacuum system works ...

350/5.7. 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.

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...350/5.7. 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.

You said you you wanted vacuum diagrams, well they are there on that link i posted. Doug. 85 El Camino 305, TH350, K&N, dual exhausts (Sold 2-21-09) 87 El Camino 305, 2004R, K&N, dual exhausts. 1964-1/2 Mustang conv, 260 V8, dual exhausts. 2003 Jaguar XJ8, 2000 Harley Road King.The vacuum increases as the throttle are opened. In a car with an automatic trans, the hose is connected to a full-time vacuum port. Full manifold vacuum is present at idle and decreases as the throttle is opened. The port is below the throttle blades. The reason for this is to increase low-speed torque with the increased spark advance.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.In some cases the vacuum advance, HVAC, TH350 modulator, and other items are connected into that tree on the back of the manifold instead of the carburetor. Vacuum items you may have. - Distributor vacuum advance - may be a ported (only open when off idle) or unported connection. Full/unported vacuum connections.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?

Share. Access our free Vacuum Diagrams Repair Guide for GM Full Size Vans 1987-1997 through AutoZone Rewards. These diagrams include: Fig. 1: Vacuum hose routing - 1987-88 Federal and high altitude (VIN Z) 4.3L engines with automatic transmissions (G10, 20 and 30 models) Fig. 2: Vacuum hose routing - 1987-88 Federal and high altitude (VIN Z ...

Re: 1977 350V8 vacuum line diagram 01-14-05 10:44 AM - Post# 482596 In response to good.wrench Oh, gosh, everyone is looking for vacuum diagrams, including me! I just logged on after being away for months because I thought someone out there might have the vacuum diagrams for a 1977 Chevy Caprice Classic landau coupe, 4-barrel, …

I need a vacuum line diagram for a '78 chevy truck w/ high output 305. The origonal engine was a 350, I used the 350 distributer on the 305 and the vacuum advance does not seem to be working. Any help on the vaccum advance would be appreciated also. Answered in 2 hours by:First of all *Facepalm* Okay, now that thats through, how much damage can not having a vacuum line on the trans do? I ask because I noticed that Mr. Francis Delores of Brian's Automotive in Burien is such an immense douchebag that when he installed my TH350, he both crimped the bejesus out of the line and then reused some old rubber …79 chevy 350 vacuum line and plug ID. Here a few pictures of what I took off this 1979 chevy 350 motor. Can anyone tell me what and where the vacuum line and wires are for. It was on the intake manifold. might have been the trans lock-up solenoid. I've never seen one mounted on intake, usually on firewall. And a bunch of other junk.Rubber vacuum lines would be larger diameter and would catch on things more easily. When you take apart the HVAC I think there are at least 7 of those lines running across to the controls, so it's a good sized bundle. ... Chevy Engine Size 350. I replaced mine with rubber vacuum tubing and always had success with it. Aug 7, 2021 #12 Snoots ...We carry transmission vacuum lines for GM Powerglide, TH350, TH400; Ford C-4, C-6, Fordomatic; Chrysler Torqueflite 727, and many others. Start your automatic transmission vacuum line replacement now at Summit Racing! Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless ...How To Repair Your '68-82 Corvette's Headlight And Windshield Wiper Door Vacuum System. ... Family Bow-Ties: Pro Street 1983 Chevy Monte Carlo Grocery-Getter. Hot Rod Staff | Dec 29, 2023.The 2020 Chevrolet Silverado is a fabulous choice if you’re searching for a reliable full-size pickup truck. Why? Because the Silverado is ranked in third place on the US News site...

1978 - 1981 Chevy Camaro Transmission Vacuum Modulator Line For TH-350. Transmission vacuum modulator line for turbo 350 automatic transmissions. Exact fit for all 78, 79, 80, or 81 models. ... 1981 Chevy Camaro Transmission Vacuum Modulator Line For TH-350 : Our Price: $ 37.95. PART NUMBER: TRA-533.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-boltRubber vacuum lines would be larger diameter and would catch on things more easily. When you take apart the HVAC I think there are at least 7 of those lines running across to the controls, so it's a good sized bundle. ... Chevy Engine Size 350. I replaced mine with rubber vacuum tubing and always had success with it. Aug 7, 2021 #12 Snoots ...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.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 ...Post: Vacuum diagram for 75 Chevy 350 4Bbl (Topic#12948) kksmith1 Member Posts: 2 Loc: Fresno, CA USA Reg: 12-03-02. User Info. Send Private Topic View Profile. 12-03-02 12:31 PM - Post# 85332 I am a public reference librarian with the San Joaquin Valley Information Service in Fresno, CA. I have a patron who is looking for the vacuum diagram ...

CHEVROLET 5.7L/350 Chevy small block Gen I Vacuum Lines - Free Shipping on Orders Over $109 at Summit Racing. Sort By. Default Sort Product Line (a-z) Product Line (z-a) Part Number (a-z) Part Number (z-a) Price (low-high) Price (high-low) New Arrivals. Records Per Page. 25 Records Per Page 50 Records Per Page 100 Records Per Page. Home.

1994 c3500 tbi vacuum lines identificationTurbo 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 @.050.10,078. Reaction score. 14,903. Location. Houston TX. Rear of TBI goes to MAP sensor (small rectangular device on passenger side of intake, only has 1 vacuum connection and 1 3-pin electrical connection) Front driver side TBI port goes to the port towards the middle of the little black box near your thermostat. 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 ... 11-14-2003, 01:10 PM. # 1. BillG_69gmc. Registered User. Join Date: Feb 2003. Location: Georgia. Posts: 9. A/C Heat Vacuum Hose Routing. I've finally got around to swapping carbs out and with that I promised myself to reestablish the vacuum lines that control the heat/ac vents.13 posts · Joined 2008. #2 · Apr 22, 2009. Yes, A vacum line would cause a big difference if it was disconnected. It happen to me a few years back. The line was going from the intake to the transmission vacum canister. you can always drain the oil and change the filter. Then add some high pro fluid and get the level right.79 chevy 350 vacuum line and plug ID. Here a few pictures of what I took off this 1979 chevy 350 motor. Can anyone tell me what and where the vacuum line and wires are for. It was on the intake manifold. might have been the trans lock-up solenoid. I've never seen one mounted on intake, usually on firewall. And a bunch of other junk.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 ...

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 …

Th350 vacuum line. Jump to Latest Follow. 8K views 16 replies 6 participants last post by mr55/56 Jun 28, 2020. Alans57 Discussion starter. 208 posts · Joined 2019. #1 · Jun 28, 2020. Where do you all connect this on the engine? Directly to the manifold or carburetor?

It should pull your finger down. Common to have the vacuum pump wear out. Easy to replace. SOURCE: vacuum diagram for 91 chevy. its given here. SOURCE: I have a 1993 chevy. on the 1993 the MAP sensor is also the BARO sensor ( MAP/BARO) when you turn the key on the computer looks at the MAP/BARO sensor to get a reading of the barometric pressure ...number9. 566 posts · Joined 2009. #12 · Sep 26, 2014. robpp said: fwiw here are some pics of my bone stock 69 350 350. my vacuum advance is fed from the front of the carb via a steel and rubber line. the T: right goes to the Brake booster. left (steel line) goes to kickdown. rear facing is not connected just blocked.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.May 16, 2011 · pcv valve routing. cobalt327 said: HERE is a link to a diagram of a basic PCV system. Generally speaking, the PCV valve goes in one valve cover and is routed to the base of the carb where there is usually a port for this purpose. The other valve cover has a fresh air intake that draws filtered air from the air filter housing or a separate filter. 2. Vacuum hose from the engine runs over to the vacuum reservoir under the hood and connects to a port on the bottom. My reservoir is a short black canister mounted on the firewall just above the blower motor housing. There is a 2nd port on the bottom of the canister, which is where the vacuum line from the HVAC connects after it comes through ...In many Chevy and GMC engines, the thermal ported vacuum switch is broken off at the thermostat housing, or because of the age of the switch it has stopped working altogether. ... 1985 or 1986 Chevy or GMC Truck running like new. Now you can replace that missing or defective thermal ported vacuum switch on your truck just in time for showcar ...EFE = Exhaust Fume Efficiency valve, also known as the heat riser valve on the right hand exhaust manifold. when cold, it keeps the right hand exhaust manifold closed to allow in speedy heating of the choke stove tube for the choke. all of the vacuum diagrams i have show the PCV on the left hand side. either side doesnt matter, as long as its ...PCV Valve Grommet Type 3/4" Inner Diameter, 1-1/4" Valve Cover Hole Size Outer Diameter. MSRP $3.99 ea. Classic $2.99 ea. VIEW DETAILS. Classic Industries offers a wide selection of Vacuum System Components for your Chevrolet All Models. Classic Industries offers Chevrolet All Models Hoses & Clamps.Eliminating smog lines, canisters. « on: November 13, 2010, 12:39:24 PM ». 1979 C20, rebuilt 350 stock qjet 4br rochester. I have the truck registered in globe and dont have to do emissions. The truck is from california and has 2 smog canisters and the a.i.r. pump. I removed the exhaust manifold and put headers on so i looped the smog pump ...I put a 350/350 combo in my 56 chevy. I now need to hook up the line for the tranny vacuum modulator. So I thought I would run a hard line with two rubber lines on the end, the only problem is the nipple coming off the vacuum modulator looks like 3/8 and the line on the carb is much much smaller.Chevy 350 vacuum line diagram: q&a for 305, tbi, quadrajet, and vortChevy body gm vacuum diagram square truck ac air lines 1987 conditioning 1973 c10 line wiring switch trucks van blazer Fuse chevy wiring 1986 c10 hubs silverado 1984 1994 pontiac location intertherm lowe jv wiringg1986 chevy truck vacuum diagram. ... Vacuum ac gm 1973 ...

Chevelle 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 …It’s official: a fully electric Chevy Corvette is coming — with new battery technology to boost its range, acceleration and efficiency. When it arrives, the battery-electric sports...Find CHEVROLET 5.7L/350 Fittings & Hoses and get Free Shipping on Orders Over $109 at Summit Racing! ... Brake Lines, Braided Stainless Steel, Chevy, GMC, SUV, Pickup, Front, 4-6 in. Lift, Pair. Part Number: SJA-FBL88. 5.0 out of 5 stars. Estimated Ship Date: Today. Free ShippingInstagram:https://instagram. change venmo usernamehank winchester detroitramsey unit inmate searchmovie theaters in eagan mn Buy 1968-1982 Corvette Emission & Engine Vacuum Hose Kits online at Zip. Specializing in C3 Chevrolet Corvette Parts since 1977. Same day shipping. No-Hassle Returns. ... 73 350 Auto Engine Vacuum Hose Kit Price: $23.99. Rating: 100%. 1 Review. SKU: ZVA-314. Add to Cart. 73 ... how many grams in one teaspoon of sugarhonda pilot vtm 4 light on and check engine light 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?(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. target 1959 Silicone Vacuum Hose Automotive,3mm 4mm 5mm 6mm 8mm 10mm Inner Diameter High Performance Vacuum Lines Kit,high Temp Silicone Tubing,black (3mm+4mm+5mm+6mm+8mm+10mm Inner Diameter, Black) 1. $2999 ($5.00/Count) Save 5% with coupon. FREE delivery Sat, Apr 13 on $35 of items shipped by Amazon. Or fastest delivery Fri, Apr 12.This page shows the most common vacuum line diagrams for stock TPI setups: The diagram above is for 1985-1986 5.0L F-body (Camaro/Firebird) MAF TPI. 1985 2.8L V6 MFI Camaro-Firebird Vacuum Line Diagram. 1985 Corvette 5.7L TPI Vacuum Diagram. 1986-89 2.8L V6 MFI Camaro-Firebird Vacuum Line Diagram. 1986-1989 5.0 and 5.&L TPI Vacuum Line Diagram.Chevrolet is an American icon, known for the Camaro, Corvette, Malibu, Impala and more. Take this quiz to see if you can recognize the most memorable '70s Chevys! Advertisement Adv...