MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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limey222
Michael Cubbon
Portland, OR
(129 posts)

Registered:
08/01/2015 12:55PM

Main British Car:
1969 MGB GM 3.4L V6

Is a Quaife necessary or will my MGC spider gears hold up?
Posted by: limey222
Date: August 15, 2016 12:15PM

I have a standard 93-95 GM 3.4 V6 and T5 (V6) transmission, 3.07 MGC axle and 15" wheels. I've been looking at a Quaife LSD because I have concerns about the standard spider gear assembly holding up with occasional spirited road use.
Can those of you running the same conversion as me tell me if you have experienced any problems with your standard diffs?
I'm not interested at this time with going with an alternate axle configuration.


kstevusa
kelly stevenson
Southern Middle Tennessee
(985 posts)

Registered:
10/25/2007 09:37AM

Main British Car:
2003 Jaguar XK8 Coupe 4.2L DOHC/ VVT / 6sp. AT

authors avatar
Re: Is a Quaife necessary or will my MGC spider gears hold up?
Posted by: kstevusa
Date: August 15, 2016 02:02PM

Michael, you can probably get by with your combo. Drag racing and "Dumping the clutch" is not recommended with that gear set. Road racing and other forms should be OK, just no Dumping the clutch or side-stepping. Standard tires should not get adequate traction to cause you problems. My OEM R/E held up to several months, only the u-Joint did not with 275 RWHP and 205-50X16 tires. :-)


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