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The mkiv Supra Owners Club

New diff ratio.


pedrosixfour
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Hey folks.

 

Doing a few bits with the old girl to ensure I stay ahead of the pesky Honda brigade around Mondello.

 

Here are a few snaps of my new 4.27 diff ratio, it won't guarantee success but it should allow me to get the most performance from the first 4 gears of my 5 speed box.

 

Pretty happy with the end result, no re-shimming was required, in my humble opinion. I had the shims removed & sent over with the new ratio from America and as they were identical to what was in my own diff I left it as it was.

 

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Pretty happy with the contact pattern, this is my first diff rebuild so it was a bit hit and hope. From the guides I've read I was expecting less of a contact area but I can't see any disadvantage to the result I have here.

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The reason it's showing so much contact area is you have daubed FAR too much Engineers Blue on the teeth :)

 

Yes yes Chris, I see that now. :)

 

You actually get a better idea of the contact area from the teeth I didn't put the Blue on!

 

So what do you think, do I get a pass??

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Oh there is no problem at the moment Chris.

 

I just wanted to know for future reference, in case the fast road set-up proved a little soft for me or Mondello.

 

But I seriously doubt it.

 

I'm delighted I got my hands on them, I've been so close to buying the usual suspects for the past year but I kept telling myself to hold off til something good came along.

 

Result!

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