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Re: Quick Question
The Bonneville engine is a high compression (10.5 or 10.75:1, advertised, 10.2:1 "true"). Running it on 93 octane gas is killing it to DEATH! It also "sports" the 067 cam (anemic for performance, good for low-end torque). You need to be a bit more specific about the "Edelbrock everything". Performer intake? RPM? Torker? You see my point... Edelbrock cam too?
There's a ton of good stuff for the 400. The engine is easily capable of 450 HP with low compression and pump gas. With aftermarket heads, 500 is a fairly easy deal.
The big gains come from more displacement. It has become VERY popular to "stroke" 400s to 461 CID. Eagle offers a high quality "kit" for this purpose. The 400 block is more desirable than the 455, as the main bearing "tunnel" is 1/4" smaller in diameter, making the block a bit thicker where it counts. With the stroker, 455 performance is realized.
I'm not sure exactly what you mean by "locker and pinion". Do you know the ratio?
Tell us what you want to do with it!
Jim
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