Chevelle Tech - View Single Post - Pump gas BBC 475 CID with AFR265/Straub GTA Hyd roller..
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post #4 of (permalink) Old Oct 20th, 19, 11:04 PM
DragRacer
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Jason
 
Join Date: Sep 1998
Location: Highland Village TX, USA
Posts: 3,115
Re: Pump gas BBC 475 CID with AFR265/Straub GTA Hyd roller..

Quote:
Originally Posted by 496blaze View Post
Why was a Dart block used for such a small big block? No good GM cores available?
Im guessing the customer maybe already had pistons?

Otherwise, you are right. Why not go straight to a 4.500 bore and pick up displacement and power and still have plenty of room for rebuilds.

Jason Gore
AKA DragRacer
Naturally Aspriated 450 SBC - 915 HP / 714 lb-ft
3370 lbs
1.36 - 60', 5.93 @ 116.7 MPH - 1/8th
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