Ford Mustang Forum - View Single Post - Driving Impressions? 3.73 vs. 4.10?
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post #15 of (permalink) Old 09-27-2013
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Joined: Jun 2010
Location: Windsor
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Originally Posted by Howelldaddy View Post
I had 3.73's and switched to 4.10's. My Fox is an AOD. I saw no difference in track times , mph and very little difference in rpm. There was no noticeable seat of the pants feel. What made a huge difference was a 3500 stall converter. It really woke the car up.
True. Going lower on gear ratio will only do so much. a high stall convertor is what is needed to supplement the lower gear changes. That is, if you want maximum performance from your car.
When I had drag cars, we changed the gear ratios AND always backed it up wit a higher stall convertor. Nothing has changed.

2011 GT. Grabber Blue. Procharged. 3:73 manual.Billit LCA's. Corsa Extremes. GT 500 wheels. Racemaster DR's. T-56 Tremec. Dynotech DS . Centerforce DF. American Racing headers/high flow cats 560 rwhp.Donny Walsh tuned

2012 Pony Package. Race Red.3:31 automatic.BBK longtubes and catted X.FRPP Sport axlebacks. BBK throttle body. Dynotech DS. Brembo wheels and tires. Strut tower brace. Airraid CAI. Bama tuned.
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