Quaife diff installation - how much should I pay?
Discussion
I want to get a Quaife LSD to go with my new (well, refurbed) 3.73 diff, which I haven't put on the car yet.
I got a quote for this job (just installing the supplied LSD and diff), and the guy reckons between £300-400!
Is this figure too high, as I was thinking more along the lines of £150-200 tops?
I got a quote for this job (just installing the supplied LSD and diff), and the guy reckons between £300-400!
Is this figure too high, as I was thinking more along the lines of £150-200 tops?
steveT350C said:
Hi Chris,
I was duscussing the Quaife diff option with Str8six. Chas was telling me something about this diff needs to be put together around what ever is there, and not just 'bolted in place'.
Sorry I cannot explain further, bit of a drive-train numpty! may be give Chas a call?
Cheers. I was initially hoping that someone local could fit the LSD into the diff (the place I got a quote from is nearest, in Worcester), so that when it comes to changing the diff on the car, the main work would be already done.I was duscussing the Quaife diff option with Str8six. Chas was telling me something about this diff needs to be put together around what ever is there, and not just 'bolted in place'.
Sorry I cannot explain further, bit of a drive-train numpty! may be give Chas a call?
I too am a drive train numpty, but I do know the Quaife LSD is very good - some think it's better than electronic traction control.
Chris,
Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
TVRMs said:
Chris,
Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
Cheers for that.Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
I think the LSD is worth it, though. I had one fitted for my wife's MG, as we live in the sticks and roads are mainly twisty and can be quite hazardous in winter (but great in summer), and it has transformed the car - more than I thought it would. I have little doubt it will prove beneficial in the Tamora, too.
I will get a few more quotes, but if that is the ball-park price, I'll hold off a little longer...
chris watton said:
TVRMs said:
Chris,
Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
Cheers for that.Don't know why you would want a quaife unit in a road car thats not being tracked - especially f you have a refurbed unit already?
£3-400 does not sound unreasonable.
Diff casing may well require some machining, but it in eaither case, the diff needs to stripped, quaife unit installed, ramp angles revised, new seals and oil.
I think the LSD is worth it, though. I had one fitted for my wife's MG, as we live in the sticks and roads are mainly twisty and can be quite hazardous in winter (but great in summer), and it has transformed the car - more than I thought it would. I have little doubt it will prove beneficial in the Tamora, too.
I will get a few more quotes, but if that is the ball-park price, I'll hold off a little longer...
chris watton said:
TVRMs said:
Your car should have a hydratrack? Which is an LSD
Yes, the refurbed diff is hydratrack. however, once installed, the Quaife LSD is completely maintenance free, as opposed to the plate and spring types, which can fail. So I read..After many thousands of trackday and hundreds of competition miles in TVRs with hydratrack diffs... no issues.
Hydratrack does not perform as well as a quaife, but perfectly adequate unless you are looking to squeeze the last second out of a lap. Sell the quaife and put your money towards that CR box.
TVRMs said:
In theory yes, in practice for the use you will give it, highly unlikely Chris.
After many thousands of trackday and hundreds of competition miles in TVRs with hydratrack diffs... no issues.
Hydratrack does not perform as well as a quaife, but perfectly adequate unless you are looking to squeeze the last second out of a lap. Sell the quaife and put your money towards that CR box.
I haven't yet ordered the Quaife diff - I was waiting to see how much it would cost to fit into the BTR diff..After many thousands of trackday and hundreds of competition miles in TVRs with hydratrack diffs... no issues.
Hydratrack does not perform as well as a quaife, but perfectly adequate unless you are looking to squeeze the last second out of a lap. Sell the quaife and put your money towards that CR box.
Having sampled the diff (albeit in a different car with 200bhp less), I do find it hard to ignore.
The Quaife is a fantastic piece of kit and as you say fit and forget to an extent. I've used them in both front and rwd cars and you can really feel them working. Have you tried Readman racing? The guy there is a BTR guru and is very reasonably priced too. Could be worth a call. He charged me less money when I had my diff rebuilt than a local place wanted!
Andy_mr2sc said:
The Quaife is a fantastic piece of kit and as you say fit and forget to an extent. I've used them in both front and rwd cars and you can really feel them working. Have you tried Readman racing? The guy there is a BTR guru and is very reasonably priced too. Could be worth a call. He charged me less money when I had my diff rebuilt than a local place wanted!
Cheers.I have decided, I am going to buy one and have it fitted. In the grand scheme of things, a £1200 price tag for the diff and fitting isn't so high for proper traction control (better than fancy electronic types?) - and thinking of the bigger picture, I may keep the standard gear box with the 3.73 diff, and that LSD will, I think, come into its own once I have the 4.3 upgrade.
Like you, I have sampled this LSD and it was the single best upgrade (amongst many upgrades) I did to my wife's car.
ETA - have ordered the LSD....
Edited by chris watton on Monday 21st July 12:32
It in a sense a LSD locks/limits both wheels to turn at the same rate. A standard diff is designed to allow the outside turning wheel to move quicker that the inside turning wheel, as the outside has further to travel.
Problem comes when wheelspin occurs, a standard diff will allow the spinning wheel to continue spinning. Front wheel drive cars not a major issue, but not conjusive to ones health in a RWD.
That's the basics. It can get far more involved
Problem comes when wheelspin occurs, a standard diff will allow the spinning wheel to continue spinning. Front wheel drive cars not a major issue, but not conjusive to ones health in a RWD.
That's the basics. It can get far more involved
Hollowpockets said:
fitted an ATB to my T350, all that happened was I went sideways everywhere, prefer the normal diff set up in the sag tbh
And that was a Quaife unit? Surprised to read that, from my experience (although limited), the ATB is on a par, if not better than electronic traction control!Sure you didn't have the throttle stuck on full?
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