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Warrens69GMC · 10-05-2020, 09:10 AM

Need to switch to another head IMO. .7 is a lot of compression to make up by milling the head.

317 shows 71cc, did you check the chamber size?

10-05-2020, 09:10 AM	#2
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,613	Re: 6.0 w/ 317 heads Need to switch to another head IMO. .7 is a lot of compression to make up by milling the head. 317 shows 71cc, did you check the chamber size?