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Discussion Starter · #1 ·
Hi Guys

Im looking to build a high rpm drag combo.

Will a 3.7" stroke 2.0"pin(SJ) with a GRP alloy rod clear a 50MM roller camshaft in a Dart little M(std cam tunnel height)
 

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I will say Yes they will hit. You are talking a lot of rod size on the big end and even with a steel rod a .900 base cam comes very close to the lobes. I would go with the raised cam Dart I.E. block if you want more than 380" SBC.
 

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They're going to hit.... you'll need a .850 base circle max camshaft.... and you might still have to machine the rod to clear.

Honda Journal(1.888, GRP Rod, 3.750 Stroke and I had a .800 base circle on that... definitely the wrong way to go, but you work with what you can...
 

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Hey come on now!!!!!!I have made improvements.
 
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