No, the max bore on a 5.3 block is 3.89. That will give you a 346 though. Even at 3.89, you have to have it sonic checked.
No, the max bore on a 5.3 block is 3.89. That will give you a 346 though. Even at 3.89, you have to have it sonic checked.
'92 GMC reg. cab, step side. 7.32@ 92.3. SOLD
http://videos.streetfire.net/video/d...d700c6401f.htm
New project: '00 S-10 ext. cab, ZQ8, 370, T-56, daily driver.
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