ZZ4 or TFS Heads with a ZZ4 cam
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Joined: Oct 2006
Posts: 3,041
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From: West of Toronto
Car: 89 IROC
Engine: 305 TPI / ZZ4 cam
Transmission: Stage 2 700R4, LS1 driveshaft
Axle/Gears: Strange 3.42 w/ Auburn
ZZ4 or TFS Heads with a ZZ4 cam
I'm swapping a ZZ4 cam into my 305TPI 89 IROC.
Which is the better head choice to go with...ZZ4 or TFS 305 heads?
I'll also be adding Comp magnum full roller rockers and Comp moly pushrods.
Thanks
Which is the better head choice to go with...ZZ4 or TFS 305 heads?
I'll also be adding Comp magnum full roller rockers and Comp moly pushrods.
Thanks
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