1974z28

ls777z

Veteran Member
Feb 19, 2000
2,324
Clay,NY
When I rebuilt a 350 for my 73Z used a better cam and a set of mildly ported 1.94's. The car ran about 1.5-2 seconds slower than my bone stock 90000 mile motor. I'm pretty sure it was because of the heads.
 




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