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Old 02-25-2013, 02:23 PM
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xb-60 xb-60 is offline
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Join Date: Aug 2009
Location: Adelaide, SA
Cobra Make, Engine: AP 289FIA 'English' spec.
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Quote:
Originally Posted by Rick Parker View Post
Solid Roller requires more valve spring pressure than solid flat tappet, generally if and when something fails it will be more catastrophic than those of a solid flat tappet. With rare exception once the initial breaking period is completed solid flat tappet is trouble free. I have always felt that with current technology (heads, exhaust) if I was able to get my 289 to perform close to that of the engines used by the race teams from the 60's (380 HP) then THAT would be more than sufficient. I'm very happy with the solid flat tappet cam and 48 IDA's. Much more power than can be realistically used in street application.
I agree, Rick. I want an engine that looks looks period correct, sounds period correct, has character and won't try to bite me every time I drive the car.
Cheers,
Glen
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