Top speed vs AutoX TRANNY
07-10-2002, 05:18 AM
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Top speed vs AutoX TRANNY
Top speed vs AutoX TRANNY on 430bhp turboed ITR
I don' t know what to do.
I droved on the Autobahn for a Topspeed run with 4 people in the car (including me) and I maxed out at 265 kph indicated. From 200 - 265 it was such a RUSH, it took about 10 seconds I guess. This was with 1.2 Bar of boost, 608 mm tire diameter and 8800 revs (cut off)
Tranny is stock (we have JDM 4.785 final drive)
I can convert to USDM final drive (I have it at home already) to get a top speed for about 290 kph. But I will lose about 300 rpms for AutoX, which is not so good I think (for turbo lag).
I can convert to LS 5th gear for Top speed about 295, but this cost again money.
Perhaps converting to a larger finaldrive is better, cause I can get more power to the ground and therefore acceleration is better, or at least it is not bader than with a shorter fd.
Perhaps I can convert some rpms for AutoX with smaller tire diameter. And rise the redline about 300rpms to get some speed back again for the straights on autoX.
Perhaps a larger fd is also better for DRAG racing, cause of the better traction?
PS: A 6 gear tranny would be nicer.
I don' t know what to do.
I droved on the Autobahn for a Topspeed run with 4 people in the car (including me) and I maxed out at 265 kph indicated. From 200 - 265 it was such a RUSH, it took about 10 seconds I guess. This was with 1.2 Bar of boost, 608 mm tire diameter and 8800 revs (cut off)
Tranny is stock (we have JDM 4.785 final drive)
I can convert to USDM final drive (I have it at home already) to get a top speed for about 290 kph. But I will lose about 300 rpms for AutoX, which is not so good I think (for turbo lag).
I can convert to LS 5th gear for Top speed about 295, but this cost again money.
Perhaps converting to a larger finaldrive is better, cause I can get more power to the ground and therefore acceleration is better, or at least it is not bader than with a shorter fd.
Perhaps I can convert some rpms for AutoX with smaller tire diameter. And rise the redline about 300rpms to get some speed back again for the straights on autoX.
Perhaps a larger fd is also better for DRAG racing, cause of the better traction?
PS: A 6 gear tranny would be nicer.
07-10-2002, 11:01 AM
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Re: Top speed vs AutoX TRANNY (austrian type-R)
Why not just drop a complete LS tranny on that... It'll spool up in ever gear forever just aslong as you are getting traction.... Have fun and don't kill urself!
07-10-2002, 11:36 PM
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Re: Top speed vs AutoX TRANNY (KAMiN)
You have to understand that LSD's don't actually come into effect unless one is slipping. In a completely straight line, that shouldn't be a problem. 
back at 'cha.
back at 'cha.
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07-11-2002, 10:15 AM
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Re: Top speed vs AutoX TRANNY (96_GSR)
I hear you can put a LSD in LS tranny with a new ring gear. That how you get the ITR LSD in a B16 tranny...with ITR ring gear.
But I cant confirm the LSD in the LS tranny. Im sure somebody knows for sure.
But I cant confirm the LSD in the LS tranny. Im sure somebody knows for sure.
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