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JPSH120
United Kingdom
1180 Posts |
 Posted - 26 Feb 2013 : 13:25:09
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OK good, so in that case he does need to find an H120 specific diff, not one fitted to any of the 1725 range 
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1922
United Kingdom
549 Posts |
Posted - 27 Feb 2013 : 13:58:05
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Eh?
The rear axles from any car in the entire Hunter/Arrow range will fit - the only difference is the ratio. The H120 uses a 3.89 ratio and so do lots of other cars in the Arrow range.
So he could use the axle from:
H120
or
Humber Sceptre saloon,
Fastback Alpine,
Hunter 1725 estate,
Hunter 1500,
Hunter saloon 1725 with optional overdrive.
All these use a 3.89 axle and the complete axle or just the diff unit be bolted right on to an H120.
There might be a few more - I don't have the parts book to hand.
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JPSH120
United Kingdom
1180 Posts |
Posted - 27 Feb 2013 : 14:28:50
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Don't worry, I think I am just getting a bit confused!
I didn't realise the 3.89 diff was fitted to all those other models. The thing that threw me was the reference to the fastback alpine having the 3.89 diff, I assumed it would be the same as the rapier.
I have an axle that I took out of a fastback auto and I was trying to establish if it was suitable - I think I've got it now!
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1922
United Kingdom
549 Posts |
Posted - 28 Feb 2013 : 13:55:59
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Ah - gotcha 
Auto Rapier has a 3.7 (and that was used on a few different models too  ).
If it was my car I'd be tempted to fit a 3.7 and get the speedometer recalibrated - it'll be better for motorway cruising.
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devnet H120
United Kingdom
81 Posts |
Posted - 28 Feb 2013 : 14:15:41
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Cheers for all the info guys. Not decided what I am doing yet, keeping my eye out for an axle but might try get my diff out and recalibrated.
devnet H120 |
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JPSH120
United Kingdom
1180 Posts |
Posted - 28 Feb 2013 : 15:03:11
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quote:
Originally posted by 1922
Ah - gotcha
Auto Rapier has a 3.7 (and that was used on a few different models too ).
If it was my car I'd be tempted to fit a 3.7 and get the speedometer recalibrated - it'll be better for motorway cruising.
Hmm, interesting. That might be something I consider for mine then, shame I've just spent umpteen hours stripping my axle back to bare metal and painting it 
I also have the speedo from the auto so could I do a straight swap??
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1922
United Kingdom
549 Posts |
Posted - 28 Feb 2013 : 18:47:21
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My part's books lists the same speedo for auto and manual.
Hmmm - to be honest I've no idea!
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JPSH120
United Kingdom
1180 Posts |
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devnet H120
United Kingdom
81 Posts |
Posted - 09 Mar 2013 : 19:25:11
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Cheers got my eye on it, think I tried to buy the same one a while ago but seller disappeared. Still thinking about taking mine apart tho.
devnet H120 |
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Topic |
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H120 Diff Needed
