CLASS RACER FORUM - View Single Post - Aftermarket/Replacement Cylinder Head Rule Change

CWhitney · 12-13-2017, 08:30 PM

So does this mean that if a combination has been factored 20 HP now its gonna go back to the OG HP rating??

Example 396 Iron head is 375/385
396 Alum head is rated at 405HP

Both heads go back to 375?

12-13-2017, 08:30 PM	#9
CWhitney Junior Member Join Date: Feb 2008 Location: Sun Valley,Ca Posts: 86 Likes: 2 Liked 12 Times in 6 Posts	Re: Aftermarket/Replacement Cylinder Head Rule Change So does this mean that if a combination has been factored 20 HP now its gonna go back to the OG HP rating?? Example 396 Iron head is 375/385 396 Alum head is rated at 405HP Both heads go back to 375?