Question: Motor Specs - 330817 bored .060 over?
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From: Dayton, OH
Car: 1985 Pontiac Trans Am - PROJECT
Engine: 412 c.i. SBC / 6.75 L
Transmission: 700R4
Axle/Gears: Borg Warner 3.27
Question: Motor Specs - 330817 bored .060 over?
Is this accurate for a 400 motor (330817) bored .060 over? I've been calling it a 406 due to what someone told me, but it seems I've been selling the size a little short?
From http://www.thepontiactransampage.com/400.html
400 bored .060" over
bore 4.1212"
stroke 3.75
overbore 0.060
disp/cyl 51.49 cid
829.15 cc's
displacement 411.92 cid
6.633 litres
new bore size 4.1812"
From http://www.thepontiactransampage.com/400.html
400 bored .060" over
bore 4.1212"
stroke 3.75
overbore 0.060
disp/cyl 51.49 cid
829.15 cc's
displacement 411.92 cid
6.633 litres
new bore size 4.1812"
Last edited by the phoenix; Dec 26, 2009 at 03:06 PM. Reason: better title
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