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Blackline ATB diff - any good?


yorkshire_spam

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8 hours ago, yorkshire_spam said:

Can't afford a "real" LSD like a quaife, but the Chinese ATBs are in the price range where I can maybe afford it.

Hi Sam, out of interest what are your reasons for contemplating an ATB? My diff is making a bit of noise so I'm wondering about these options myself. 

Pete

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I have one in my Vitesse bought from 2Spec Transmissions.

Seems to work. Drives normally on the road and definitely has more traction, though if you truly lift a wheel it just spins (normal for ATB diff). Main reason for buying it was finding that every one of the 4 diffs I had in stock had some sort of problem with the carrier or cross pin and I fancied something stronger. Done maybe 3k miles and a couple of track days, so still some way to go before I’d consider it proven longevity/reliability wise but signs are entirely positive so far.

Nick

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14 hours ago, PeteStupps said:

Hi Sam, out of interest what are your reasons for contemplating an ATB? My diff is making a bit of noise so I'm wondering about these options myself. 

Pete

Hi Pete, couple of reasons really.

It's pretty much impossible to get a variety of shims to rebuild the centre section of a diff that the LSD replaces - so it would eliminate that issue with the rebuild.

Secondly I do like to enjoy driving the Spitfire in a "enthusiastic" fashion, some extra traction at the rear wheels would be nice. 

Cheers, Sam

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19 hours ago, yorkshire_spam said:

Took the plunge and ordered one, I have a spare 3.63 that I'll use it in and at some point swap them over. (Although Spitfire is "back burner" until after the 10CR in the Dolomite) 

 

Ordering a Quaife is taking the plunge. A Blackline is half the price.

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