 | Home > Maintenance & Modifications > 110 rear P38 axle in a 90 |
 
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| iandav123 Member Since: 30 Mar 2014 Location: wakefield Posts: 6  
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Has anyone fitted a 110 P38 rear axle to a TDCi 90
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15th May 2017 1:21pm |
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| Defendermatt Member Since: 15 Sep 2016 Location: Derbyshire Posts: 313  
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I have one fitted, pretty straight forward.
Why would you want to fit one though? |
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15th May 2017 1:23pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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Stronger rear diff in the 110 than a 90. If the current axle is kaput then a 110 axle may well be easier to get hold of than a 90 one. |
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15th May 2017 1:29pm |
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| iandav123 Member Since: 30 Mar 2014 Location: wakefield Posts: 6
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Is the prop a different length and does it catch the fuel tank
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15th May 2017 1:35pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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the 110 is longer, so it wont fit.
Well it will if you move the axle backwards by 20 inches.  |
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15th May 2017 1:37pm |
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| Defendermatt Member Since: 15 Sep 2016 Location: Derbyshire Posts: 313
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You should have most of the parts to do the swap. A frame, trailing arms are the same. Spring seats need changing to 90 as the coils are different diameters.
You will need a prop spacer or new prop made to account for the shorter diff, or, I believe wolf 90s were fitted with the P38 diff so if you could find the P/N for the prop used on those then do share 
110 rear discs are larger, and the calipers have bigger diameter pistons in if you want to upgrade the brakes. I'm unsure if the 90 calipers will even fit though, the mounting holes may be different. |
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15th May 2017 1:38pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17481 
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Alternatively you could fit the diff from the 110 front axle straight into the 90 rear axle.
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15th May 2017 2:36pm |
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| iandav123 Member Since: 30 Mar 2014 Location: wakefield Posts: 6
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I have already put the front diff and shafts in the axle as they were what originally failed Thats why I got these
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15th May 2017 2:55pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17481
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Was it a four-gear front diff in the 110? If so, then you already have a stronger diff than the P38 four-gear.
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15th May 2017 3:31pm |
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| derbywill Member Since: 25 Mar 2010 Location: Derbyshire Posts: 559  
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The 90 calipers should bolt on the axle case as I have 110 calipers and discs on my 90. I would just leave the 110 set up there isn't much difference, just remember when you change discs/pads you have 110 brakes fitted.
Cheers Will 2005 90 XS 1954 86'' Series 1 tilt 1968 88” 2A 200tdi 2002 110 Hardtop |
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15th May 2017 4:15pm |
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2665 
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I wouldn't swap the rear brakes over, they are smaller on a 90 for a reason and you won't gain anything worthwhile.
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15th May 2017 5:56pm |
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| iandav123 Member Since: 30 Mar 2014 Location: wakefield Posts: 6
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so what do you do to stop it fowling fuel tank
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15th May 2017 8:36pm |
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| Mash Member Since: 09 Feb 2015 Location: Guernsey Posts: 1674  
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Wolf 90 prop civvie part no: FRC8393 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html 90 V8 - Maggie http://www.defender2.net/forum/topic42564.html 110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html 52HG25 lightweight https://www.defender2.net/forum/topic72342.html D3 Hse - Fiona Capri 2l S - Anna Think I might have a problem............ |
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15th May 2017 8:40pm |
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| Defendermatt Member Since: 15 Sep 2016 Location: Derbyshire Posts: 313
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It doesn't foul the fuel tank.
Thanks for the P/N mash! |
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15th May 2017 10:48pm |
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