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Lynn A McCarty · 08-09-2016, 07:18 PM

Interesting thread a few years ago. Many guys believed an aftermarket block was no additional power gain. NHRA doesnt penalize engine hp with its incorporation. So, again I ask....what's it worth?

I saw an alum aftermarket head gain 70 hp in one engine over an NHRA adder of 10 rated hp.

08-09-2016, 07:18 PM	#1
Lynn A McCarty Member Join Date: Jun 2002 Location: Plainfield (INDY) Indiana Posts: 468 Likes: 1 Liked 3 Times in 3 Posts	Aftermarket Parts in S/SS Interesting thread a few years ago. Many guys believed an aftermarket block was no additional power gain. NHRA doesnt penalize engine hp with its incorporation. So, again I ask....what's it worth? I saw an alum aftermarket head gain 70 hp in one engine over an NHRA adder of 10 rated hp. __________________ Lynn A McCarty 3470 SS