4.10s? vs. 3.73s?

89fast5oh · 11-29-2003, 06:26 PM

With a 3100lbs stick car with a 351w making 450 ft-lbs and running ET Streets or McCreary tires, what gears would be better, 4.10s, 3.73s? I have 3.55s and the car doesn't rev as fast as it should. Anyone have any suggestions for what gear i should run???

Scrapla · 11-29-2003, 09:22 PM

If its not a daily or doesnt see the highway go 4:10s with some new axles but 3:73's rev pretty fast and still very streetable. If you just want to rev faster and just race go 4:10s

crazypete · 11-30-2003, 11:38 AM

I'm running a pure street car and I have 3.73's and if I had to choose again, I would have gone 4.10 instead. The 3.73's rev fast but just not fast enough so go 4.10. I still get 22.5 mpg with an AOD, 3.73's and a carb so I doubt 4.10's will affect the streetability that much more.

88workcar · 12-01-2003, 07:39 AM

4:30 all the way

11-29-2003, 06:26 PM	#1
89fast5oh Registered Member Join Date: Apr 2002 Location: Canada Posts: 58	4.10s? vs. 3.73s? With a 3100lbs stick car with a 351w making 450 ft-lbs and running ET Streets or McCreary tires, what gears would be better, 4.10s, 3.73s? I have 3.55s and the car doesn't rev as fast as it should. Anyone have any suggestions for what gear i should run???

11-29-2003, 09:22 PM	#2
Scrapla Registered Member Join Date: Apr 2002 Location: Florida Posts: 532	If its not a daily or doesnt see the highway go 4:10s with some new axles but 3:73's rev pretty fast and still very streetable. If you just want to rev faster and just race go 4:10s __________________ 90gt 347 and some bolt ons :-) RICE HATERS MEMBER #73

11-30-2003, 11:38 AM	#3
crazypete Registered Member Join Date: Sep 2002 Location: Boston Posts: 592	I'm running a pure street car and I have 3.73's and if I had to choose again, I would have gone 4.10 instead. The 3.73's rev fast but just not fast enough so go 4.10. I still get 22.5 mpg with an AOD, 3.73's and a carb so I doubt 4.10's will affect the streetability that much more. __________________ 91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior

12-01-2003, 07:39 AM	#4
88workcar Registered Member Join Date: Oct 1999 Location: Pierre Part, La. U.S.A. Posts: 1,850	4:30 all the way __________________ 88workcar 1988 Mustang LX 342. 417rwhp @ 6800. 28 X 10 ET Drag, 4.30s, 10.69 @ 126.43 1.42 60ft. 11.13 @ 127.7 on BFGs 1.72 60ft Rice Hater # 42 To be old and wise, You must first be young and stupid I'm somewhere in tthe middle.

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