Wanted. Differential.

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badger
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Joined: Fri Mar 23, 2007 6:33 pm
Location: Winterborne Kingston, Dorset

Wanted. Differential.

#1 Post by badger » Sat Dec 01, 2018 6:44 pm

I’m looking for a known good differential for my MK2 2000. 4:11 or 3:7, I don’t mind which, but it MUST be a good one please. I’ve already fitted a supposed good one, which was noisier than the one I removed!! I’m in Dorset. Thank you.

johnnydog
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Location: Lancashire

Re: Wanted. Differential.

#2 Post by johnnydog » Sat Dec 01, 2018 11:21 pm

How soon do you need one? I have a known good 3.7 diff for a Mk2 2000 auto.
Only two problems I can see - 1) it still needs removing from the car its on so isn't available immediately, and 2) I'm a good few miles from you in Lancashire!
There's also a chance I may have one off a car, but problem 2 still applies!
Also just wondering why you are not bothered whether it is a 3.7 or a 4.11?
Register Member no. 1596

1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red

badger
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Posts: 264
Joined: Fri Mar 23, 2007 6:33 pm
Location: Winterborne Kingston, Dorset

Re: Wanted. Differential.

#3 Post by badger » Sun Dec 02, 2018 3:16 pm

Hi Johnnydog. Thanks for the reply. My car is fitted with a 4:11, and a 3:7 will give me better high speed cruising, so either will do. Definitely interested in a good diff, but as you say, logistics is a problem. I’m guessing a courier will be costly, due to the weight. I can wait, so if there’s a Triumph event we are both attending, then maybe we can arrange something. I’ll keep my eyes and ears open.
Dorset Badger
MK2 2000 m/od. Sapphire Blue.

johnnydog
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Location: Lancashire

Re: Wanted. Differential.

#4 Post by johnnydog » Mon Dec 03, 2018 10:46 pm

Just be mindful that a higher ratio diff from standard will make the car a bit more lethargic at lower speeds. Going one step further, I know someone that fitted a 3.45 diff to a manual 2000 in an attempt to achieve what you're striving for, but soon changed it back to a 4.11 as it was flat at low speeds.
I see your car is a manual overdrive although you don't give its age. If it is an A type gearbox with a 22% reduction, maybe fitting an earlier J type with a 25% reduction, or the later J type with a 28% reduction give you the better high speed cruising without affecting bottom end / lower speed performance?
Register Member no. 1596

1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red

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