Don Terrill’s Speed-Talk

colebalster wrote:

airflowdevelop wrote:castech logo (looks like a AA battery) will be on top of the end intake runner.

Thanks, I'll be checking my 2003 Yukon and LS2 crate motor(just in case) tonight.

Cole

An LS2 would not have 706 casting heads.

I am looking to replace a set of cracked Castech cylinder heads on my father's 2001 Tahoe 5.3. Castings 862 is what I am looking for. Completely inspected and rebuilt is what I need to be sure he does not have this problem again. Where is a quality place to order such a set of heads?

I will not use them in anything. Here are 2 Wiseco's from 2 different engines with same bore size. 60 degree V-Twin. Front and rears both cracked in both engines. I exclusively use CP. http://www.1130cc.com/forums/attachment.php?attachmentid=99595&d=1197831261 http://www.1130cc.com/forums/attach...

Very good and like I said the 109 is better than the E because it uses MTBE instead of Ethanol. You'll be happy if you haven't run oxygenated fuels before. Works very well plus it is a pretty good base if you mix fuel. Good luck, Joe What timing changes do you usually see necessary with the MS109?

I am in.

Thanks, Ken