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Old 09-01-2004, 08:59 PM
stevelacey75 stevelacey75 is offline
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Anyone have 4:10 gears?

Im Thinking Of Geting Some Gears And Was Wondering What Kind Of Results People Were Geting At The Track With 4:10s.
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Old 09-01-2004, 10:04 PM
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I have em and love em! With a 4# pulley and typical bolt ons, no chip, 12.75 @ 106mph uncorrected ET at 1300 ft+- in AZ heat.
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Old 09-02-2004, 06:38 PM
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Edited by FTE
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Old 09-05-2004, 07:37 AM
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You would definitely see better times with the 4.10s, and I would imagine that it wouldn't hurt mileage very much (who cares it sucks gas anyway lol)...
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Old 09-05-2004, 02:12 PM
Blown00Ford Blown00Ford is offline
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I drive my L everyday with the 4.10's and havent seen any problems for almost a year now. Mileage decrease was very little. Maybe a mile to the gallon, if that. Makes for some serious fun at the stoplights tho...
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Old 09-10-2004, 05:19 PM
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Will you run out of gearing with the 4:10 once you get into 11's ?
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Old 09-10-2004, 06:31 PM
yysenhimer yysenhimer is offline
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4:10's are too much for these trucks. It's like using a 26" tall tire rather than a 28" tall but more extreme. You want to keep the revs lower where it is still making power.

From my other post about the 26" tall tires
Quote:
Originally Posted by yysenhimer
I've tried 26" tall ET Streets and lost mph with them every single time. My 60' times were just as good with the F1's (Low 1.8's). I then did a dyno comparison between 28" tall F1's and 26" tall ET Streets. The results I got back in March of '03 were:

F1's: 447.2 RWHP, 576.5 RWTQ

ET Streets (26" X 11.5): 429.5 RWHP, 544.2 RWTQ

I switched to Hoosier Quick Time Pro's and the mph went right back where it should be, and the 60' times dropped into the 1.7's first time out.
Here is the dyno sheet from when my truck was making less power about a year and a half ago. F1's are run 7 and 26" tall ET STreets are run 10.
Click the image to open in full size.
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Old 02-05-2005, 10:56 PM
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where did you guys with 4.10's get them from and who is the manufacturer. i have a 4wd and want to switch over. im looking for a good place to buy.
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Old 02-05-2005, 10:56 PM
 
 
 
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