06-16-2006, 03:41 PM
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CC Member
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Join Date: Feb 2005
Posts: 58
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Not Ranked
What is your experience with aluminum engine blocks?
I am going to replace my current 289 HI-PO with a 331 stroker. One option on the list uses an aluminum block. The car will see some occasional road course, auto cross, and drag strip action, but will be mostly street driven in a spirited manner (95%). I am wondering how viable an aluminum block will be for my relatively low performance needs (375-400HP) from a durability standpoint. My current PRO reasons are weight savings and overall car balance, and extra cooling ability the aluminum offers. One big CON is the high cost of admission for the alum block. So, is this worth it or should I stick with the iron block. The rest of the motor is Edelbrock Performer RPM Air-Gap intake, AFR 165-COMP heads, Aviad road race oil pan, headers, forged steel crank, H-Beam rods, and forged pistons when the size is determined. Thanks for any help and insight you can provide.
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