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The New Gear Is In !

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Old Mar 11, 2004 | 06:35 AM
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Originally posted by Strokd85
Scott,
Did you consider sticking with the 3.73s and go with a 28" slick.
That's what I've got, but I'm fearing that with the c4 I'll be out of gear - anyone know where those calculators are for rpm x gearing etc...
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Old Mar 11, 2004 | 06:39 AM
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no but I have a c4 with 4:10 and I really cant go over 85-90 without it being at high RPMS...
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Old Mar 11, 2004 | 06:48 AM
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I'm talking about the top end of the track - thanks
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Old Mar 11, 2004 | 07:29 AM
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Give Joe or Rob at fordspeed a call, they should be able to tell you.
My friend mike with his 95gt 347/150 shot and dynamic c4 (3.73 gears) is going through the traps right about 6200..
Just as an FYI.
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Old Mar 11, 2004 | 11:57 AM
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Originally posted by Scott
Actually with the G-Force tranny I cruised with the 4.10's @ 80 m.p.h. and only turned 2,400 or so rpm's...

What is the 5th gear on the tranny?

I know how we can check to see if your speedo is right!
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Old Mar 11, 2004 | 05:28 PM
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CopMagnetLS1, you shouldn't have any problems with a C-4, 3.73 gears and a 28in tall slick. Of course a lot depends on your converter too. If it has too much stall or a lot of slippage up top, you will have issues. You also have to take into account the RPM range you will be running in as well. No sense spinning the engine to 6500 if it only makes power to 5000.

Scott, where did your car make it's peak power on the dyno? What were you shifting at?
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Old Mar 11, 2004 | 07:51 PM
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Thanks Joe - It's a beefy valvetrain, but stock bottom end, so I'm guessing I won't be going past 5900 or so at most...
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