G80 locker mod. How does it work ? - Page 2

360beast · Jul 6th, 2020, 10:11

R.I.P g80

Hoggarth23 · Jul 6th, 2020, 15:25

I guess I need to try it with a chopped weight off if I can find a spare one. Only thing indent want it it locked when not under load and driving it steady round carparks etc.

Laird Scooby · Jul 6th, 2020, 15:35

Quote:

Originally Posted by Hoggarth23

I guess I need to try it with a chopped weight off if I can find a spare one. Only thing indent want it it locked when not under load and driving it steady round carparks etc.

Quote:

Originally Posted by tofufi

I had a g80 which had been cut. I ended up buying another g80 to get a replacement weight which hadn't been cut, as it was horrible to drive.

If you like, I could post you the cut weight to swap for yours? Dismantling and reassembly of the diff is pretty easy.

Jim has already offered you a cut down weight.

tofufi · Jul 6th, 2020, 15:47

Thanks Dave, I've just sent him an email

Hoggarth23 · Jul 6th, 2020, 17:36

Thanks Jim. Thanks dave. I hadn't heard from jim h till now hense the comment.

Skylaneguy · Jul 6th, 2020, 23:52

In my experience, after the G80 locks up, it stays locked up until you lift your foot off the gas pedal. It just won't lock up about the 25+/- mph.

It has clutches, so even when locked up, it allows some differential action similar to a limited slip differential.

Skylaneguy · Jul 7th, 2020, 00:01

I had a 1988 740T for several years which had a Converse Conversion, Ford 5 liter with T5. When I bought the car it had the original open 3.73 differential. I bought and installed a 3.31 ratio G80 live rear axle from a 1992 945. The G80 withstood all of the abuse my son and I could give it. The G80 has an undeserved reputation for weakness.

Hoggarth23 · Jul 7th, 2020, 13:02

Quote:

Originally Posted by Skylaneguy

I had a 1988 740T for several years which had a Converse Conversion, Ford 5 liter with T5. When I bought the car it had the original open 3.73 differential. I bought and installed a 3.31 ratio G80 live rear axle from a 1992 945. The G80 withstood all of the abuse my son and I could give it. The G80 has an undeserved reputation for weakness.

So you didnt modify it. You ran the g80 as it was?

Skylaneguy · Jul 8th, 2020, 04:28

Quote:

Originally Posted by Hoggarth23

So you didnt modify it. You ran the g80 as it was?

We did not modify the G80. With quick shifting, it stayed locked up as you progressed through the gears well passed 25mph.

MiniNinjaRob · Jul 8th, 2020, 08:02

How can you tell which diff you have on your car?

Jul 8th, 2020, 08:02	#20
MiniNinjaRob Master Member Last Online: Dec 2nd, 2022 12:14 Join Date: Jan 2016 Location: West Yorkshire	How can you tell which diff you have on your car? __________________ The Millennium Volcon - 1997 940CD HPT Estate Millennium Volcon NOW FOR SALE HERE

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Jul 6th, 2020, 10:11	#11
360beast Go redblock or go home Last Online: Today 08:50 Join Date: Feb 2012 Location: UK	R.I.P g80

Jul 6th, 2020, 15:25	#12
Hoggarth23 Junior Member Last Online: Nov 14th, 2021 23:09 Join Date: Jun 2020 Location: Warton	I guess I need to try it with a chopped weight off if I can find a spare one. Only thing indent want it it locked when not under load and driving it steady round carparks etc.

Jul 6th, 2020, 15:47	#14
tofufi Premier Member Last Online: Today 14:18 Join Date: Sep 2014 Location: Bristol	Thanks Dave, I've just sent him an email

Jul 6th, 2020, 17:36	#15
Hoggarth23 Junior Member Last Online: Nov 14th, 2021 23:09 Join Date: Jun 2020 Location: Warton	Thanks Jim. Thanks dave. I hadn't heard from jim h till now hense the comment.

Jul 6th, 2020, 23:52	#16
Skylaneguy Member Last Online: Jan 27th, 2022 22:18 Join Date: Dec 2010 Location: Vancouver	In my experience, after the G80 locks up, it stays locked up until you lift your foot off the gas pedal. It just won't lock up about the 25+/- mph. It has clutches, so even when locked up, it allows some differential action similar to a limited slip differential.

Jul 7th, 2020, 00:01	#17
Skylaneguy Member Last Online: Jan 27th, 2022 22:18 Join Date: Dec 2010 Location: Vancouver	I had a 1988 740T for several years which had a Converse Conversion, Ford 5 liter with T5. When I bought the car it had the original open 3.73 differential. I bought and installed a 3.31 ratio G80 live rear axle from a 1992 945. The G80 withstood all of the abuse my son and I could give it. The G80 has an undeserved reputation for weakness.

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