![]() Please review our Term's Of Use for more information. And to be clear it's the taller runners/intakes that support the UPPER rpms. The performer RPM is a good manifold if you have to have aluminum. Information is subject to change and offered as is without any warranties or guarantees. As mentioned the stock manifold is a fantastic piece and able to support a wide variety of of builds from mild to wild. Manifolds used a special aluminum oil filter adaptor.Ī: I have a 1968 350 and I just got exhaust manifolds for it from a junk yard, they were fron a 73 350 pontiac, and fit just fineĪny proposed updates, changes, pictures, and/or corrections, please use our comment section below (may need to click on to access comments feature). *The separate flange may vary btwn Full-Size Pontiac’s and Firebird’s. Firebirds and cast using Ductile Iron.much better than originals. These are nice copies of the one’s originally used on HO & Ram Air 1st Gen. *Basically…65-70 Pontiac Manifolds/Headers interchange with 1967, 1968, 1969 Firebird’s. A: You can get the repro Long Branch Cast Iron Exhaust manifolds for around 325 pr. 1967- 1969 Pontiac Firebird 400 1968- 1969 Pontiac Firebird 350 1969- 1969 Pontiac Firebird 350 HO Vehicle Fitment This product fits the following vehicle applications. These bolts match the factory style and specifications, featuring the correct head. Exhaust manifold bolts designed for use with 1967-69 Firebird 400, or 428 with Ram Air and HO motors with long branch exhaust manifolds. The Following ‘D’-Port Exhaust manifolds will fit 1969 Firebird V-8’s My question is this, when I got the car all the vacuum lines had been removed and capped off, accept for the Distributor and the Modulator for the Transmission, I do not. I have a 1967 Firebird 400, 400THM, A/C, Power Steering, Non Power Brake, Convertible. Exhaust Manifolds are considered difficult to find…all others can be found for around $100 pair. Hello everyone, New to posting on a Forum but I am looking for some help. I’ve had several pairs over the years (various styles) and those that needed repairs were usually much worse than first glance….many times unrepairable. after 30yrs and countless temperature changes, many are bound to have stress fractures and/or cracks. Firebirds… and cast using Ductile Iron.much better than originals. The Edelbrock EFI kit includes a Pontiac intake manifold designed to accept individual fuel injectors and high pressure fuel rails. Expect to spend around 400 for the bare manifold. ![]() These are nice copies of the one’s originally used on HO & Ram Air 1st Gen. A specific cast-aluminum manifold was used with the 1969-1970 Ram Air IV and 19711972 455 H.O. Any insight will be very helpfull, summer is here and I desperately want to get on the road.Ī: You can get the repro Long Branch Cast Iron Exhaust manifolds for around $325 pr. One question i have is whether the manifolds from the “400” engine will be the same. I’ve been having a hard time finding a pair as most yards I’ve called either don’t have them or don’t know whether they have the right ones. Any help or Pictures would be great, and thank you in advance.The exhaust manifolds on my 1968 Firebird 350 are cracked (both sides). 1969: 9796614: 400 RA IV: Firebird (RA IV, 2-piece Aluminum), GTO (RA IV, 2-piece Aluminum. I have looked into some of the manuals but nothing is really clear, the carburetor has nothing for ports in the back for say the Brake Booster, there is a plug in that. Pontiac Intake Manifold Part Numbers Year: Part Number: Engine Displacement: Description. My question is this, when I got the car all the vacuum lines had been removed and capped off, accept for the Distributor and the Modulator for the Transmission, I do not think the Distributor was plugged into the right ports, and the A/C vents would not switch, does anyone have a picture or diagram of the vacuum line routing, I am pretty sure I know where the Transmission Vacuum line goes, due to the metal tube going to the trans and to the front of the Carb, I have a vacuum line coming from the firewall, I believe goes to the A/C, there is a bolt for the carb that has a port on it that pulls manifold vacuum, and a vacuum canister on the firewall behind the left fender. I have a 1967 Firebird 400, 400THM, A/C, Power Steering, Non Power Brake, Convertible. 1969 70 71 72 PONTIAC GTO GRAND PRIX 350 400 455 RH EXHAUST MANIFOLD 9796992. Hello everyone, New to posting on a Forum but I am looking for some help. ![]()
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