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chevyBBC 05-04-2013 09:17 PM

496 fit in 1980 trans am?
i currently own a 1980 trans am with a 301 ci and i was planning
to swap in my 496 big block, im wandering if it can fit in there
and what modifications i have to make?

because looking at the engine width i wonder if the heads or valve
covers will touch the power brake booster and thus not fit :o

thanks alot for your help:)

68NovaSS 05-04-2013 09:21 PM

Just measure the width of the 301 and the BB to see the difference. You can always get a smaller booster. Check front suspension towers too. How about hood clearance?

chevyBBC 05-04-2013 09:28 PM

hood il get a cowl for the clearance and makes me think also that booster
is damn vacuum assisted and i dont have any port on my intake neither the carb so how can i deal with this:p

vinniekq2 05-04-2013 10:08 PM

unless your engine bay is smaller than my 80 Camaro,it should drop right in

Hogg 05-07-2013 09:36 AM

GEn 7 BBC or a stroked 454?

GEN 7 496 can be had at decent prices complete with PCM's and harnesses.


Mr. P-Body 05-07-2013 11:38 AM

Of course, a 461 Pontiac would literally bolt right in and make about the same streetable power as the 496 BBC.

What was said about the early Camaros is correct. All the BBC stuff "fits". Be sure to change the springs, as the big block weighs a bunch more than the little 301.



cobalt327 05-07-2013 03:15 PM

Frame mount info:

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