Bore of 350 rocket

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MWA

Greasemonkey
May 4, 2009
129
1
18
MCDonough,GA
What is too much of a bore for a 350 rocket if you want it to be a weekend rider maybe some highway driving?
 
Not sure I understand the question entirely.

Are you asking how much you can overbore a standard 350 block?

Usually most just bore it out another 30 over. Even a stock bore 350, with good heads and cam can be a fun weekend cruiser with good power and reliability.
 
MWA said:
What is too much of a bore for a 350 rocket if you want it to be a weekend rider maybe some highway driving?

The early 350 blocks (1968-1976) can go 0.060" over with no problems, and if you have the walls sonic checked you can probably go 0.090 or a little more. Later windowed blocks, not so much. In any case, the increase in displacement will only be a few cubic inches, due to the short 3.385" stroke.
 
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