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how many MPH...does 3.73s make speedo off???

Old 06-17-2008, 09:54 PM
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Default how many MPH...does 3.73s make speedo off???

i was wondering how many miles per hr does 3.73s make your speedo off cuz if im goin 50..in a 45 people fly buy me..i drive by car to see hom much it is off by looking at there speedos but cant cuz cas to low ha...thanks for lookin
Old 06-17-2008, 09:58 PM
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That I can answer My cousin had a 2000 ws6 blue mostly stock with 3.73 tranny rebuild with shift kit top out at 146mph
Lol I ran from Louisiana state troopers after a race but the funny thing is I ALMOST GOT CAUGHT so I have 3.42 which Top at over 150 never know when you need the extra speed.lol
Old 06-17-2008, 10:18 PM
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not top speed...just crusing..like is it 5-10-15 mph off...say im goin 55 how fast am i really goin ha
Old 06-17-2008, 10:23 PM
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O you never reprogrammed it I'm not sure My cousin blue ws6 had a tune from a diablo.
Old 06-17-2008, 10:29 PM
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ya no tune yet...gotta save up just got the car..but its bugging me i wanna now how off it is cuz i dnt want another speeding ticket lol..till i can get a tune
Old 06-17-2008, 11:27 PM
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Ride on side someone like I did ask how many miles their going record it and then look at yours and you know like Example I have a ws6 with 17 inch stock wheels if i'm onside you and I'm doing 60 you might be doing 75
Old 06-17-2008, 11:28 PM
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Well your dash doing 75 but I upgraded to 3.42 and mines would be doing 70 while I acually was going 60 in the trans am on side me.
Old 06-17-2008, 11:29 PM
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Lol other way around sorry. well you know what I mean
Old 06-17-2008, 11:47 PM
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it'll say you're going faster than you really are. if it says 70 it's really more like 55-60. just get next to a car on the hwy and see. thing is, it's exponential, so if it says you're going 30 it's more like 25. bigger difference the faster you go. this will also add fake miles to the car, so get it tuned quickly.


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