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myscarab30

06-06-2006 08:49 PM

Need Advice ..also posted in Prop Talk

85 Scarab II Stock 375 hp 454's trs drives 1.5 ratio....Currently running 23p Mirages ....getting 55 mph on stock speedo....@ 4300 rpms.... I put a set of 23p Cleavers on it and got 60 mph and 4600 rpms ....My question is can i get more rpms and how much rpms is to much....

StraightJacket

06-07-2006 10:15 AM

Re: Need Advice ..also posted in Prop Talk

You are probably good for at least 5,000 rpm. Thats where we run our Velocity with 330h.p., 454's.

BY U BOY

06-07-2006 12:25 PM

Re: Need Advice ..also posted in Prop Talk

I Would Try A 21p That Should Put You Around 4900 Rpm.

jeff32

06-07-2006 02:20 PM

Re: Need Advice ..also posted in Prop Talk

Quote:

Originally Posted by BY U BOY

I Would Try A 21p That Should Put You Around 4900 Rpm.

I agree try the 21

BY U BOY

06-07-2006 03:02 PM

Re: Need Advice ..also posted in Prop Talk

You Could Also Have Them Labbed Which Will Help

myscarab30

06-07-2006 09:12 PM

Re: Need Advice ..also posted in Prop Talk

anyone wanna trade for a set of cleaver 23p's for some 21p

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