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X-TECH MAN · 02-03-2009, 04:56 PM

Save your money. Its been proven before many years ago when NHRA allowed the iron block as a replacement for the alum. block in S/S that it makes more power. The weight difference is the only advantage of the alum. block. It has to do with heat retention. Thats my story and Im sticking to it.

02-03-2009, 04:56 PM	#5
X-TECH MAN Banned Join Date: Dec 2007 Location: Lake Placid, Florida Posts: 3,203 Likes: 1,047 Liked 235 Times in 110 Posts	Re: ZL1 stocker Save your money. Its been proven before many years ago when NHRA allowed the iron block as a replacement for the alum. block in S/S that it makes more power. The weight difference is the only advantage of the alum. block. It has to do with heat retention. Thats my story and Im sticking to it.