that sucks. i am waiting on my 1.6 to explode. and on how i drive the car, i dont know how it hasnt happened yet
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im pretty sure ill blow my 1.6 rear end if drive my miata daily. thats why i dont drive it :)
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dude is this at sacramento raceway? cause i think i was there
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Oh Snap!
damn im pretty sure it WAS YOU at the sac raceway cause my friend GOT IT ON CAMERA:
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Originally Posted by 18psi
(Post 248581)
damn im pretty sure it WAS YOU at the sac raceway cause my friend GOT IT ON CAMERA:
http://youtube.com/watch?v=NwsSXKQK5EY Sucks to hear Sav. I assume the plan is to avoid the dragstrip in the future? Our diff's suck balls, even the 7's. We (anyone) need to start upgrading to the RX7 Turbo II's (8") if we (anyone) wants real drag racing. I hope to do a few passes later this year, but will ease it off the line as a 3.636 isn't cheap, nor is a good RX7 clutch pack diff. |
Just putting this in here - I have an open and a welded diff and the housing if you need a replacement :P
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I'll also have a spare rear housing (rx7 unit) one fedex delivers my shit that's been sitting in a warehouse 20 minutes away for the last 4 days.
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13.7, not bad. I'm sure wheelhop killed it. Its bad.
I went to 1/4 Friday and ran best of 13.7 @ 102 and for a change nothing broke. Good luck on the repair. |
I was hoping it was an open and that my failure last year was just a fluke, but now you have me worrying..
If you want another Torsen, I know Blake @ www.isellmiataparts.com just picked up a '94 with a Torsen. |
Originally Posted by reddroptop
(Post 248586)
Small world.
Sucks to hear Sav. I assume the plan is to avoid the dragstrip in the future? Our diff's suck balls, even the 7's. We (anyone) need to start upgrading to the RX7 Turbo II's (8") if we (anyone) wants real drag racing. I hope to do a few passes later this year, but will ease it off the line as a 3.636 isn't cheap, nor is a good RX7 clutch pack diff. |
Originally Posted by Savington
(Post 248614)
Nah, I'll go back. Just need to prepare the car properly. Poly diff/motor bushings/mounts to limit wheelhop, and I am going to do some research into a real rear end. If the Rx7 rear won't do it, mabye the 8" TII is the ticket?
I honestly have no clue. |
Originally Posted by Savington
(Post 248365)
First run, I wheelhopped badly at the launch, missed 5th, and still went 13.9 at 98mph.
:bang: |
5 Attachment(s)
Originally Posted by Markp
(Post 248624)
Nice launch. ;) You wanted a new diff anyway.
I was hoping it was just the R&P, and I could throw a new one in with my Torsen and case and be done. Ohhhhh, no. Attachment 213322 Attachment 213323 What one of the 4 parts of the Torsen are supposed to look like: Attachment 213324 What 1 of mine looks like: Attachment 213325 What the other two look like: Attachment 213326 :giggle: R&P is chipped, Torsen is totally trashed, and the case is cracked. Total writeoff. |
:owned:
Expensive night. Time for a 3.9 or 3.636. |
ok so the moral of the story: torsens suck for clutch dumps. the end.
It looks like you chewed an internal torsen gear, the diff froze, and then ripped the meatball right out of the bearing retainers. ouchie. |
Yeap, same thing that happened to ApexOnYou, torsen died and took the rest with it. That sucks. Well, I'm definately scratching torsen off my list. Welded diff for me. What are you going to do Sav? I think a welded open diff would be cheap and super strong if it's welded up right. And I hate your for having a 2.1 60' time.
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Why not just install a Ford 8 or 9 inch? Arent they supposed to be indestructible?
Perfect for drag racing, and a live axle vs IRS is moot when it comes to track racing. |
Our 7" differential isn't the weak link IMO. Well, it sort of is. Wheel hop is what kills shit. Our diff winds up like a spring when you launch it. The front of the diff jumps up and nothing stops it. Look at how the RX7 diff is mounted. Ours needs to be supported just like that, with a brace between the frame rails holding the front of the diff. Stop wheel hop and the diff's would stop breaking.
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A 2.1 60' on street tires is not bad at all.
Looks like the exact same gears went on both of ours. One of those side gears went on mine, and two or three others split clean in half when the whole unit locked up. I wonder if cryo treating would help any? And for the record, I wheel hopped for the first time the run before I broke mine too, so maybe that has something to do with it. |
This car is primarily a track/autocross car, but I want the ability to go to the strip, put on the R-comps, and click off some 2.0 60 foot times. Welded diffs aren't an option. I am looking into a hybrid Rx7 option, and I need to do more research into (read: someone needs to tell me about) an 8" Rx7 TII diff.
edit: the 2.1 was on NT-01s. Not drag radials, but not street tires. |
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