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Old 12-03-2008, 10:50 PM   #17
Big Swole
 
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Name: Big Swole
Title: MegaInterceptor
Status: Not Here
Join Date: Jun 2007
Location: Atlanta, GA
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Posts: 16,950
From F1's Site Helix 2 Billet: The Helix Billet is used in blocks where bushings have been installed in all 7 bearing journal locations.

Comes complete with Cam, Billet Retainer, Bolt, and Keyway!


Spartan Billet: The Spartan Billet is a "drop in" steel camshaft and does NOT require bushings be installed in the block for compatibility. This saves machining costs and allows for a faster installation. The engine will not require complete tear down and re-assembly.

Both the Helix Billet and Spartan Billet will require the use of our Spartan tappets and our bronze camshaft thrust plate.




Anybody know the difference between the Helix Billet and Spartan?? Why does the Billet require journal bushings and Spartan Doesn't????
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