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Old 08-26-2010, 03:59 PM
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Some help with a BBC plan please

I am trying to plan a big block engine for a 55 pontiac vintage style drag car. It will not really see any street use, just more for looks and the odd street car racing at the strip. I have never done a big block but I want to keep it on a tight budget and make decent power, nothing too wild. I found a complete mid 70's 454 so I wanted to rebuild the shortblock and use a solid cam. What are the best old heads to use? Any other suggestions? The car has a 9'' with 4.10's and a th400.

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Old 08-26-2010, 04:49 PM
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A *yawn* BBC in a "fill in the blank". Sorry, but a '55 Pontiac would- in MY eyes- be much cooler using a Pontiac engine.

But, yeah, I know- the BBC is easier, maybe a little cheaper, more power, etc. But damn, does every car to come down the pike gotta have a Chevy engine in it?

049-type open chamber heads make decent power, use rectangle port heads if you gear for them and use a loose converter, solid cam w/a bunch of duration, 850 CFM-plus open plenum intake, spray it if you feel like it.

And a couple cups of coffee.
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Old 08-26-2010, 05:21 PM
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Ya I know a pontiac would be way cooler but here is the catch, it is a canadian pontiac so the majority of the car is 55 chevy stuff and the plan is to actually put a glass tilt 55 chevy front end on it and leave the back a pontiac...It will be loud and maybe a little ugly in grey primer but I think it will be neat and make some people look twice. The doors and frame etc is identical to chevy stuff. Thanks for the info on some casting numbers I will keep my eyes open for a set.
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