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  #16 (permalink)  
Old 09-22-2005, 12:07 AM
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And how would you propose to make that large diameter flat tappet lifter slide up that cam lobe without digging in?

I mean, given the fact that the cam lobe has to clear the rods etc. and still fit through the cam bore.
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  #17 (permalink)  
Old 09-22-2005, 06:25 AM
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Schubeck already makes em.

There are other issues. One most engine builders are not going to be willing to give up any HP. Especially when the guys they're competing against are using roller stuff. Since the majority of the big money bracket racers are running bigger engines than this, and they want the ability to run more MPH, and RPM if need be. Today the words commonly get spoken that someone is only running a 540", and it's only 13:1 compression. Small inches, and low compression by todays standards.
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Old 09-22-2005, 07:01 PM
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the bigger lifter would run fine on the larger diameter cam core.Since such an enigne would do fine with stel rods,cam clearance even with a 4.75" stroke wont be a problem.Prostock guys already run rollers on a larger then stock diameter cam core,but with 3.6" strokes it isnt an isue.

BTW,as much as it is a horsepower war in E.T. brackets,most guys would welcome a combination that would be more relable then the failure prone rollers they are running now.In a day and age when some bracket racers dont even know how to change their oil in their race car,the high maintenance motors are a problem.
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