Triumph Sports Cars

engine swaps and other performance upgrades, plus "factory" V8s (Stag and TR8)

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Terryl Cozart

(3 posts)

Registered:
07/30/2009 09:29PM

Main British Car:
New diff for TR7
Posted by: mailbox
Date: July 30, 2009 09:44PM

Hey guys, I didn't realize there was a forum on this site. It's been a while since I have been here, but I am glad to be here. OK, here's the deal. I have a 76 TR7 with the weak "banjo" style differential and a Ford 302 with a T5 trans. As you can tell these don't exactly "work well" together. I was planning to swap with a post office jeep Dana 44, but I have never done anything like this. Has anyone done this modification before? What is a good resource for finding some info about swapping diff's? I have read the article about the jeep to MG swap, but just wanted to get my ducks in a row before I try something like this. Thanks for any help you might be able to give me.


92rrrandall
Randall Smith

(9 posts)

Registered:
06/13/2009 01:34AM

Main British Car:
Re: New diff for TR7
Posted by: 92rrrandall
Date: July 31, 2009 01:30AM

www.thewedgeshop.com


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Terryl Cozart

(3 posts)

Registered:
07/30/2009 09:29PM

Main British Car:
Re: New diff for TR7
Posted by: mailbox
Date: July 31, 2009 11:12AM

Yeah, I've been there too. $1000 for a rear end is a bit pricey right now. I can get a Dana 44 from a postal jeep salvage yard for about $350. Kinda like to go that route instead.
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WedgeWorks1
Mike Perkins
Ellicott City, Maryland
(460 posts)

Registered:
07/06/2008 08:07AM

Main British Car:
1980 Triumph TR8 3.5 Litre Rover V8

authors avatar
Re: New diff for TR7
Posted by: WedgeWorks1
Date: August 01, 2009 08:08PM

Your looking at getting the width pretty close to the original. If it is a little bit wider you will need to flare the rear fenders or try different rim offsets to get the tires tucked into the body work. Either sticking with the brakes on the Dana or a disc brake conversion. Then there is bolt pattern of the Jeep or the TR7. The Rally TR7V8s from the factory used a Salisbury 4HA which is a Dana 44. Any good fabrication shop can make mounts for the TR7 stock suspension arms. If the Salisbury handled 300+ horse in various terrains (Tarmac, Gravel, Mud & Snow) I am sure it can handle what you plan on doing.
HRW_001C.jpg
4HA_1.jpg


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Terryl Cozart

(3 posts)

Registered:
07/30/2009 09:29PM

Main British Car:
Re: New diff for TR7
Posted by: mailbox
Date: August 02, 2009 11:11AM

Mike, thanks for the advice and the pics. I had already thought thru the wheel stuff, it's the mounts that kinda scare me. The pics REALLY help.


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