pros? cons? 4.30gears ........
03-14-05, 05:53 PM
#26
That was Racing Beats first year run for the FD ... The car was FAR from stock.
Originally Posted by enigma662
Over 170 could be crazy... I heard of an RX-7 flipping at 190 while going for a high speed run on the salt flats. Gotta look at aerodynamics...
03-14-05, 07:36 PM
#29
Missin' my FD
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Originally Posted by darkphantom
that 3.9 is great for the highway.
Otherwise, it would be a huge waste unless you have an LS? under the hood.
03-14-05, 11:36 PM
#30
Originally Posted by pianoprodigy
No it doesn't mess up the speedometer. If your tire height is taller/shorter than stock, you can mess up your speedo because you are effectively changing the gear ratio.
03-15-05, 12:06 AM
#31
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Originally Posted by lane_change
I have 4.77 gears and my Speedo is way off. I am running 285-30-18's, which are only 1/10" shorter overall height than the stock 225-50-16's. I don't understand how you said the lower gear ratio will not affect the speedometer?
03-15-05, 03:38 PM
#33
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Originally Posted by apex_sideway
Yeah ^ that's what i thought. Is there anyway around this lane_change? Like a aftermarket rev/speed meter (apex-i) ?
03-15-05, 03:44 PM
#34
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Because the speedo gets its signal from the tranny speed. Altering the rear gear (this includes changing overall tire diameter) will effect the rotational speed of the transmission.
03-15-05, 03:57 PM
#35
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Originally Posted by saxyman990
Because the speedo gets its signal from the tranny speed. Altering the rear gear (this includes changing overall tire diameter) will effect the rotational speed of the transmission.
Last edited by pianoprodigy; 03-15-05 at 04:03 PM.
09-20-05, 09:21 PM
#36
The Man
Originally Posted by pianoprodigy
I see. So the speed is measured after the transmission and before the rearend? If so, it wouldn't actually affect the rotational speed of the transmission but rather the driveshaft would continue to spin just as it always has and thus the speedo would read the same, but the rear tires would be rotating faster or slower due to a different gear ratio from a tire or final drive change.
Art
