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#1
04-10-2004, 07:06 AM
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I have a 66 pontiac intake. When I rebuilt my motor I put 400 heads off of a 72 Pontiac (7J2 heads). I was wondering if the intake would work on this motor. The intake gaskets that came with the head set wont but I cant tell if the intake will not work also.
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#2
04-10-2004, 07:06 AM
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I have a 66 pontiac intake. When I rebuilt my motor I put 400 heads off of a 72 Pontiac (7J2 heads). I was wondering if the intake would work on this motor. The intake gaskets that came with the head set wont but I cant tell if the intake will not work also.
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#3
04-10-2004, 09:42 AM
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Yes, it will work. I am using a 66 tripower manifold with 71 400 heads (#96).
Les
__________________
Les Iden ---------------------------- '65 Buick Sport Wagon Custom, 340, T350, 3:23 '66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16) '68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold) '72 TA tribute/461, T400, 3.08, (Russ's as of 9-16) '97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed '09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins |
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#4
04-10-2004, 12:09 PM
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No,no,no!!!!! The manifold will not work unless you Mickey Mouse The exhaust crossover. You are only asking for leaks later if you do. Get a 1972 manifold (later ones will fit also but have EGR ) or an after market one.
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#5
04-10-2004, 12:24 PM
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My bad, Bob is right, I forgot about the exhaust crossover.
Les
__________________
Les Iden ---------------------------- '65 Buick Sport Wagon Custom, 340, T350, 3:23 '66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16) '68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold) '72 TA tribute/461, T400, 3.08, (Russ's as of 9-16) '97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed '09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins |
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#6
04-10-2004, 02:49 PM
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The reason you guys get away using those manifolds is because the design changed in 1972 and he is using 1972 heads.
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#7
04-10-2004, 02:52 PM
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Pittsburgh 64, keep in mind that only the '64 and earlier crossover ports are round. A freeze plug won't work on the rectangular openings on '65 and later heads.
Here is some info on crossover matching from Jim Hand. 
__________________
1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/3.08 2002 WS6 Convertible LS1/4L60E/3.23 1966 VW Type 2 Single Cab Pickup 140hp 2276 1956 VW Type 2 Panel Van 36hp 1200 1957 VW Type 1 Beetle 180hp 2276 |
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#8
06-24-2004, 08:47 PM
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Learned this the hard way today.I should have checked here first
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#9
06-25-2004, 04:27 PM
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I use Felpro Performance intake gaskets (#1233) on both my cars to run '72-up heads with early manifolds. No problems ever. But '72 is the unique manifold that fits late heads correctly, and does not have an EGR setup.
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