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Steve Polhill · 10-11-2017, 10:05 AM

The S-10's came with what we called the thrashing 2.5. Never looked to see what the HP#'s were on it.

Honestly I've always wondered about the 2.8/2.9L in the newer Canyon/Colorado's. We picked it for an Engine in comp because of the combustion chamber and Head flow #'s. I bet it would make a Fast Stocker. A pain to tear down due to the DOHC but fast.

10-11-2017, 10:05 AM	#2
Steve Polhill Senior Member Join Date: May 2003 Location: London Ontario Posts: 515 Likes: 40 Liked 262 Times in 74 Posts	Re: nhra w/sa The S-10's came with what we called the thrashing 2.5. Never looked to see what the HP#'s were on it. Honestly I've always wondered about the 2.8/2.9L in the newer Canyon/Colorado's. We picked it for an Engine in comp because of the combustion chamber and Head flow #'s. I bet it would make a Fast Stocker. A pain to tear down due to the DOHC but fast. __________________ Steve Polhill 3520 STOCK, COMP