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post #1 of 3 Old 05-05-2009, 06:51 PM Thread Starter Fanatic
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Ive got a 00 crew cab 6sp lifted about 4in on 35 bfg ATs its got stock gears 3 73s but i have a set of 4 10s under a parts excursion so my ?? is it worth the time to swap them I drive my truck on the street a good bit it sees more 60-90 mph then it does anything else but I occassionaly pull a trailer and would like to hook up to the sled. Any pros and cons for this idea. Also who makes a good posi front end for my truck.
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post #2 of 3 Old 05-05-2009, 07:07 PM
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I would not mess with it... I ran 37's and 3.73's for years and loved it. Now with 4.30's I am back in the RPM range I should be, but its now louder in the cab and such...

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's

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post #3 of 3 Old 05-05-2009, 07:08 PM Fanatic
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I had 3.73s stock and went to 4.10s. The difference in engine speed at 70 mph went from 2000rpm to 2200rpm, which is good because at 2000rpm and below, my truck was sluggish.

99 1/2 CC 4x4 dually Lariat A/T 4.10s w/63k miles
Mods-Tymar intake, DP-Tuner , Autometer gauges, zoodad and 4" Bully Dog Exhaust.

Other toys- 88 Suzuki Samurai 4x4 lifted 6"
Polaris 500 HO RSE 4x4 and Yellow 700 4x4
05 Jeep Liberty Limited CRD 4x4

Gig'em! '86 Texas Aggie
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