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*Billla* · 12-20-2007, 04:45 PM

Making me do your homework, huh?

That engine was rated at 170 HP in '72 with an 8.5 CR - it was rebuilt and upgraded?

I'd give it the benefit of CID and say 260 - 275HP at the flywheel max.

12-20-2007, 04:45 PM	#4
Billla Account Suspended Join Date: Sep 2005 Location: Monroe, WA Posts: 3,814	Re: estimated hp of 400 small block Making me do your homework, huh? That engine was rated at 170 HP in '72 with an 8.5 CR - it was rebuilt and upgraded? I'd give it the benefit of CID and say *260 - 275HP at the flywheel* max. Last edited by Billla; 12-20-2007 at 04:45 PM.