rear end strength?
10-04-02 | 12:44 AM
#1
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I stretch 315/30/18
Joined: Sep 2002
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From: Port St. Lucie, FL
rear end strength?
ok, so after going through about 7 pages of useless info from the search i'll have to post.
does anyone know how much torque the s4 n/a rear end can handle, what about T2 and all the rest?
does anyone know how much torque the s4 n/a rear end can handle, what about T2 and all the rest?
10-05-02 | 10:45 AM
#3
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Joined: Dec 2001
Posts: 297
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From: Longmont, Co
well, right now i have the s5 na diff with a tII engine, and it seems to be handling it so far (previous owner did a half assed swap, how the driveshaft is attached is terrifying). Its an open diff though, and im thinking theyre a little bit tougher than the lsd. wheel tends to spin before it can put and real torque down.
thats just what i wanted to hear. one more question, does the t2 diff have the same bolt patterns as the n/a, so i can just switch them out?
10-06-02 | 03:50 AM
#7
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Joined: Feb 2001
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From: n
The diff will drop right in, but the half axle shafts are different bolt pattern and the pinion is longer (and thus the diff housing is longer) for a turbo - this obviously makes the driveshaft bolt pattern different with a differing length.
-Ted
-Ted
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10-06-02 | 01:08 PM
#8
Driving RX7's since 1979
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From: So Cal where the OC/LA/SB counties meet
My friends at Mazdatrix tell me....
that a driveshaft from an automatic is close enought to correct length to connects a NA Tranny to a TII 3rd member (diff). BUT, you will need to swap out the half shafts from a TII as well as the bolt pattern is indeed different to NA half shafts.
Suggestion, see if you can get a rear diff from Japan. Much more money. But, I remember reading on a previous thread that they are 4.3 gear ratio. Do a search and you'll find what I'm talking about.
Suggestion, see if you can get a rear diff from Japan. Much more money. But, I remember reading on a previous thread that they are 4.3 gear ratio. Do a search and you'll find what I'm talking about.
10-06-02 | 02:25 PM
#9
THere is a TurboV6 powered GXL pushing in excess of 450hp/450ft/lbs tq thru the stock N/A posi diff with no problems launching on Nitto DR's.
I have a T2 diff and I expect it to handle 600hp and 600ft/lbs of torque launching on slicks soon (upgrading turbo). I have thoroughly abused this diff with about 400hp and launching on 5-10psi off the E-brake on slicks with no problems.
Get an upgraded HD diff mount from Mazda Competition (Mazda USA Motorsports division). They are much stronger and only about $50 made of much harder rubber.
-GNX7
I have a T2 diff and I expect it to handle 600hp and 600ft/lbs of torque launching on slicks soon (upgrading turbo). I have thoroughly abused this diff with about 400hp and launching on 5-10psi off the E-brake on slicks with no problems.
Get an upgraded HD diff mount from Mazda Competition (Mazda USA Motorsports division). They are much stronger and only about $50 made of much harder rubber.
-GNX7
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