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...
The gears cost you more gas.
The tune gets the gas back.
Think how many tailpipes have you seen black with the factory tune ... thats wasted gas ,that the tune gets back.
Gear stats from Jim G.
4.10 Gearing:AUTOMATIC
Gear 1 ... 2 ... 3 ... 4
MPH
10 *1443*764 * 472 * 330
20 *2887*1528 *943 * 660
30 *4330*2292 *1415* 991
40 *5773*3056 *1887 *1321
50 ....... *3821 *2358 * 1651
60........ *4585 *2830 * 1981
70 ....... *5349 *3302 *2311
80 ....... *6113 *3773 *2641
90.................. *4245 *2972
100................. *4717 *3302
110 ................ *5188 *3632
120 ................ *5660 *3962
4.56 gearing:AUTOMATIC
Gear 1 ... 2 ... 3 ... 4
MPH
10 1601 **848 **523 **366
20 3203 *1696 *1047 **733
30 4804 *2543 *1570 *1099
40 6405 *3391 *2093 *1465
50 ....... *4239 *2617 *1832
60 ........ *5087 *3140 *2198
70 ........ *5934 *3663 *2564
80 ................. *4186 *2931
90 ................. *4710 *3297
100 ................ *5233 *3663
110 ................ *5756 *4029
120 ................ *6280 *4396
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2003 SB1 #2393
Some stuff added
Last edited by REBEL; 11-17-2007 at 02:08 PM.
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