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#1
03-06-2007, 08:56 PM
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ex.manifolds
does anyone know a website that lists the years and corresponding numbers for exhaust manifolds.
i am trying to find out if the numbers 9779328 and 9778032 are off of a 68 gto 400. thanks tom |
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#2
03-07-2007, 12:15 PM
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Hi,
I know you can find the correct PNs in the GTO Restoration Guide. As I recall the outlet size for automatics is 2" and 2.25" for manual. Passenger Side should have a spring and weight valve for carb heating through the crossover in the intake manifold. You don't mention whether these are logs or Ram Air? Mike
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1968 Pontiac GTO 462CID, 4-Speed Manual, 3.55 rear. Aleutian Blue exterior, 219 Teal Blue interior. Chrome bumper, AM & 8-Track and Rally II Wheels |
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#3
03-07-2007, 12:36 PM
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They are for 1966-68 GTO's.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#4
03-07-2007, 04:08 PM
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#5
03-07-2007, 07:39 PM
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i was wondering if these would fit on a 70 400 motor?
thanks |
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#6
03-07-2007, 09:41 PM
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Quote:
 All of the A-body log manifolds are functionally the same. It doesn't matter if they're from a 326 or a 455. The biggest difference is that the early ones have the exhaust flapper as mentioned by runningbwdog. These were gone by '69. They all interchange though.
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1966 GTO 1969 Lemans Convertible- F.A.S.T. legal family cruiser. 12.59 on G70-14 Polyglas tires. 1.78 60' 1969 Bonneville Safari- cross country family cruiser. . 1979 Trans Am 400, 4-speed, 4 wheel disc. View from the drivers seat racing down Atco Raceway- http://www.youtube.com/watch?v=GhYDMdOEC7A Ride along in the other lane-http://www.youtube.com/watch?v=mIzgpLtF_uw |
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#7
03-08-2007, 07:35 AM
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Quote:
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#8
03-08-2007, 08:08 PM
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fit depends on chassis configuration.
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