what rear end? 700whp
08-02-14, 02:14 PM
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what rear end? 700whp
What's up guys. I'm in need of some advice. So I'm currently building my 93 FD with a 2jz. Im wondering if there is a good rear end replacement for the stock diff. Or spend a bunch of money and go 8.8? I know of kaaz and turbo ii but I need something that will hold 700whp. Lmk with any advice. This will be for mainly drag. Thanks
Last edited by spadednick88; 08-02-14 at 02:20 PM. Reason: type of racing
08-05-14, 09:32 PM
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Oh I'm planning on blowing it haha I'm sure it'll happen. I did here something that if u brace a stock one it'll be 2x as strong. Or maybe just put internals it it?
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08-05-14, 11:06 PM
#9
Banzai Diff Brace (93+ RX-7)
also, the stock torsen isn't super strong, a clutch type will be better, but I still wouldn't trust it for 700 hp
08-06-14, 07:49 PM
#12
stock case T2 lsd and diff cradle, len bacon is making 700+HP and running low 9 seconds 1/4 mile with it. unless you are heavy into drag racing and launching at 7000k rpms on 2 step i wouldnt worry about it. no reason to spend 6K+ on a 8.8 swap in my opinion..
https://www.rx7club.com/rotary-drag-...trans-1068301/
https://www.rx7club.com/rotary-drag-...trans-1068301/
08-06-14, 08:30 PM
#13
stock case T2 lsd and diff cradle, len bacon is making 700+HP and running low 9 seconds 1/4 mile with it. unless you are heavy into drag racing and launching at 7000k rpms on 2 step i wouldnt worry about it. no reason to spend 6K+ on a 8.8 swap in my opinion..
https://www.rx7club.com/rotary-drag-...trans-1068301/
https://www.rx7club.com/rotary-drag-...trans-1068301/
08-07-14, 07:15 AM
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I've used a s4 turbo 2 diff for years, have put over 800 though it hundreds launches and times best was 9.34@156, never makes a peep
The 8.8 is good if you "need" it for the gear ratios
The 8.8 is good if you "need" it for the gear ratios
08-07-14, 10:36 AM
#18
The Ronin FD kit uses the 06-10 Explorer diffs. Unfortunately those were not available with LSD diffs because they had some other active traction control BS. Those will require a LSD swapped in, so there is a little more cost associated with the FD 8.8 swap, so figure around $2500 for them.
The factory 8.8 LSD is $219 shipped, and aftermarket diffs go up from there. Upgraded and aftermarket diffs are much more reasonable than diffs for import cars. My TrueTrac diff was $450. It was probably the best mod I've done to the car aside from the engine swap.
08-08-14, 12:11 AM
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That ronin kit looks nice! But I agree if I can get away with the T2 and diff brace that would be awesome. I'm on a limited budget for the time being and this build wasn't cheap haha. I'll def keep all these options in mind and also talk to my builder to see what he can do. Also can't forget when u upgrade to the 8.8 I hear I need pricey axles as well
08-08-14, 01:20 AM
#20
That ronin kit looks nice! But I agree if I can get away with the T2 and diff brace that would be awesome. I'm on a limited budget for the time being and this build wasn't cheap haha. I'll def keep all these options in mind and also talk to my builder to see what he can do. Also can't forget when u upgrade to the 8.8 I hear I need pricey axles as well
No you don't need axles, they are part of the Ronin kit for $1200. All you need is to rob the outer CVs off of your current axles, and supply the Explorer diff and inner CVs.
You will be done for $2000-$2500 depending on the parts you source and what chassis you have.
09-10-14, 03:35 PM
#21
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Keep in mind that $2500 is if you pay someone that doesn't like you and go with a REALLY nice LSD.
The Ronin kit is awesome for either the FC or FD. Best option period.
The Ronin kit is awesome for either the FC or FD. Best option period.
09-17-14, 06:33 PM
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I cooked my stock diff (with a Kaaz LSD) road racing. It simply got too hot and the gears ate past the case hardening and into the softer gear interior. I currently run the Ronin 8.8 Kit with 4.88 gears and it seems to handle the 460 rwhp and 12" slicks quite well.
Best,
-Trent
Best,
-Trent
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