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  #501  
Old 10th February 2015, 01:21 PM
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So while I'm waiting for the test date the car bug has bit me again so I'm in the middle of a little upgrade project "off" the car. I managed to acquire a rather cheap ashcroft LSD Torsen type differential. Made a cheeky offer on ebay which was accepted.
I did the same. Its an ATB identical to a Quaife rather than a torsen, stronger in theory. Bought a diff for it to go in and still ended up cheaper than a used 20 yr old torsen!

Cheers
Stot
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  #502  
Old 10th February 2015, 04:16 PM
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I did the same. Its an ATB identical to a Quaife rather than a torsen, stronger in theory. Bought a diff for it to go in and still ended up cheaper than a used 20 yr old torsen!

Cheers
Stot

Oh right i didnt know you'd done one too. How do you find it drives?
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  #503  
Old 10th February 2015, 05:30 PM
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Oh right i didnt know you'd done one too. How do you find it drives?
Oh I havent fitted it yet so theres nothing on my thread. I just figured 200whp would overcome my 1.6 diff in short order so I better get all the 1.8 bits for the exchange.

Cheers
Stot
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  #504  
Old 12th February 2015, 07:42 PM
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I just figured 200whp would overcome my 1.6 diff in short order so I better get all the 1.8 bits for the exchange.

Cheers
Stot
I just wanted a bit more predictability and traction.

So here are the casing parts and flange all cleaned and painted ready for rebuilding.



I cleaned off the calcification on the aluminium case by immersing it in 18 litres of Tesco "cheapo diabetes rot you teeth coke" (4.95) and used a fish tank water heater in the hope of aiding the process along.



I could of had it bead blasted but I was interested to see if this worked. Took the best part of a week but didn't have to scrub at it at all.

I cleaned up the cast iron with electrolysis which as always worked brilliantly. Just a jet wash and blow dry and it was ready for paint.



I bought a external 7-8" micrometer off ebay and I have calibrated it with a 12" digital micrometer today. I'm following this guide for setup of the new diff side bearings.

http://www.miata.net/garage/diff_rr.html

Last edited by CTWV50 : 12th February 2015 at 07:44 PM.
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  #505  
Old 13th February 2015, 07:20 PM
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Domestic Science for me this afternoon.

Take one diff and place in freezer. Unwrap new bearings and rewrap in tinfoil. Place bearings on top shelf of a preheated oven and heat for 1 hour at 250˚C. Remove diff from freezer and drop bearings on to each end using liberal amounts WD40.


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  #506  
Old 13th February 2015, 07:21 PM
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Try not to burn the table. Oops

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  #507  
Old 13th February 2015, 09:27 PM
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nice work, good to see someone putting the grey matter to good use
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  #508  
Old 14th February 2015, 08:45 PM
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nice work, good to see someone putting the grey matter to good use
Cheers, just keeping my brain entertained.
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  #509  
Old 16th February 2015, 11:11 AM
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Forecast weather for my IVA day, snow and gale force winds! WTF!

Last edited by CTWV50 : 16th February 2015 at 03:43 PM.
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  #510  
Old 16th February 2015, 01:53 PM
Davidbolam Davidbolam is offline
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Forecast weather for my IVA day, snow and gail force winds! WTF!
You won't notice the bad weather. You will be paying too much attention to every noise squeak and rattle in case something is going to fall off.

Remember to take loads of cable ties etc and electricians tape for the test
Good luck.
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Saturn MX5 Based Chassis, Limited Slip Diff & 2.4 Quick Rack.

Build cost.... seems to be spending more on tools than car bits at the moment! (they will be handy in the future though).
Car iva'd and passed 15/08/2014. Finished weight 572kg.
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