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whats the max MPH?????

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Old 12-01-2004, 08:03 AM
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Question whats the max MPH?????

my buddy is doing a swap to a th-400, he runs 4:10's now on a 27" tire.
what will his max MPH be with a 6,500 rpm shift point?
Thanks
Old 12-01-2004, 09:40 AM
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If he crosses the traps at his shift point, he should be hitting 127mph.
Old 12-01-2004, 09:42 AM
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so 127 with a 27" tire and 4:10's, thats it?? im spinning 3:73's, and with a 6400 shift point and 27" tire my shift light came on at around 137-138. with the 28" tire i did 138 and it didnt come on.
Old 12-01-2004, 10:12 AM
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Assuming his 27in tire grows to 27.2 threw the lights and he goes threw the lights at 6500 he would be at 128MPH w/a good converter.
Old 12-01-2004, 11:10 AM
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Originally Posted by 12secSS
If he crosses the traps at his shift point, he should be hitting 127mph.
I also get 127mph, but that would be with a manual trans car or a completely locked converter. With a loose converter that number could go down 1-2mph.

If your friend were to switch to a 3.73 rear gear, the mph would be in the 137-139 range.





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