4.10:1 gear ratio

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10-01-2007, 02:14 AM

hotstud737

Thread Starter

Join Date: Sep 2007

Posts: 41

4.10:1 gear ratio

I have a 2007 mustang Gt 5-speed How fast are you going with 4.10:1 axle ratio in 5 gear at 3000 rpm and at 6000 rpm

10-01-2007, 08:55 AM

wantmorepower

Join Date: Apr 2007

Posts: 2

RE: 4.10:1 gear ratio

I am at about 2200 at 65 mph. I recommend buying the Ford racing gears!
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10-01-2007, 09:16 AM

StowesStang

4th Gear Member

Join Date: Aug 2004

Location: Texas

Posts: 1,615

RE: 4.10:1 gear ratio

I have the FRPP 4:10s; in 5th gear, at 3000 rpms Im doing 80mph. Damm, I havent pushed the 6000 rpm limit yet!!! ROF

10-01-2007, 12:04 PM

28HopUp

MF Administrator

Join Date: May 2005

Location: South Carolina

Posts: 8,191

RE: 4.10:1 gear ratio

Rear tire diameter is also a consideration. My stock 17" Pirelli P-Zero's are 27", but the DR's are 275/50-17 and have a diameter of 28". I have adjusted the revs per mile on my SCT handheld tuner, as well as changed my gearing to 4.10:1. So my final gearing with my DR's is ROUGHLY 3.94:1. Had I bought 25.7" dia MT ET Streets DR's, my final gearing would be even steeper - closer to 4.30:1 (est'd).