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Kipp - 25 Jan 2005 23:49 GMT

I've got a slight problem, I am currently building a '68 pontiac 400,
but have already purchaced a '79 trans am. The problem is, I don't
know if I will have to alter the position of the motor mounts in order
to use a shaker hood scoop. And if so, that would mean I would have
to move my whole drive train forward. If anyone has/had this problem
please help me out here

thanks

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RSCamaro - 26 Jan 2005 00:57 GMT

>I've got a slight problem, I am currently building a '68 pontiac 400,
>but have already purchaced a '79 trans am. The problem is, I don't
[quoted text clipped - 4 lines]
>
> thanks

Motor mounts for a 79' with a 400ci should do you just fine. I think
if you have any problem it will be with an aftermarket or incorrect
intake manifold.

...Ron
--
68' Camaro RS
88' Firebird Formula
00' Mustang GT Vert

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Dennis Smith - 26 Jan 2005 19:55 GMT

>Motor mounts for a 79' with a 400ci should do you just fine. I think
>if you have any problem it will be with an aftermarket or incorrect
>intake manifold.

A '68 400 engine won't have the 70-up motor mount bolt holes. He will
need to buy one of those conversion kits for installing a 69-older block
into a 70-up Firebird.

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_________________________________________________________________
Dennis Smith

-1971 Trans Am - 455 H.O. - M21 4speed - Cameo white/blue stripe-
< http://ps2page.tripod.com/my71ta/tapage.html >
-1973 Trans Am - 455 - TH400 auto - Buccaneer red-
-1984 Trans Am - 5.0 L - TH700R4 auto - Royal blue/silver aero-
_________________________________________________________________

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poncho462 - 26 Jan 2005 20:47 GMT

> >Motor mounts for a 79' with a 400ci should do you just fine. I think
> >if you have any problem it will be with an aftermarket or incorrect
[quoted text clipped - 3 lines]
> need to buy one of those conversion kits for installing a 69-older block
> into a 70-up Firebird.

My brother has to use adapters and IIRC, they raise the 400 in his GTO about
a half an inch. In addition to the pre 69 blocks, you need to be careful
when looking at 77 and up 400 blocks because some of the production run
didn't have the normal 5 bolt hole motor mount arrangement.

Dave

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