Quote:
Originally Posted by Excaliber
Yeah, theoretically, the cost difference could be as little as $500, for a SOLID roller. Hydraulic roller is the most expensive option..
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If you're pinching pennies, then a flat tappet cam is the choice, but roller cams offer less friction and more power. Also, ZDDP is a non-issue.
IMHO, if I were looking for a used Cobra and that Cobra came with a flat tappet cam, then I would offer a lot less for that Cobra without the roller, since I know I would eventually ditch the flat tappet cam. Quickly.