Dans55
Newbie
Posts: 41
Reg: 03-03-22
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11-08-23 07:08 AM - Post#2863962
I just measured the cylinder bore on my 350 and it shows 4.0 so someone had that engine bored out,replaced the pistons and put in a new cam. That's good news for me. So if I look for aluminum heads and cam guess I should let them know.
Edited by Dans55 on 11-08-23 07:38 AM. Reason for edit: No reason given.
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 Shepherd
Valued Contributor
Posts: 3442
Loc: Lake George, NY
Reg: 11-11-15
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11-08-23 08:03 AM - Post#2863964
In response to Dans55
If it was bored it would be more than 4.00.
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japete92
Frequent Contributor
Posts: 2273
Loc: No. Virginia
Reg: 01-18-13
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11-08-23 08:08 AM - Post#2863967
In response to Dans55
The bore of the 350 cu in sbc engine is 4.0" as built. So is the 327, and the 302. The 350 has approx 3 1/2" stroke, the 327 approx 3 1/4" stroke and the 302 approx 3".
IF (emphasis on IF) you are seeking higher low end torque (and HP), rebuilding that block to 383 cu in (4" bore, approx 3-3/4" stroke). Parts are readily available.
Or, buy a 383 crate engine. Either way it is easy to get 400 hp at 5k rpm, and over 400 lb-ft of torque from 2k-4k rpm (max somewhere around 440 at about 3800 rpm).
Just a thought.
Pete
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