Mr K
Posted a lot
Posts: 2,993
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Mar 23, 2006 21:37:56 GMT
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Ok, abit of a tech question here...
can anyone tell me the width (backplate to back plate) of a moggy minor / mg midget axel(what else had this axel? how do they vary?)
What diff ratios they are? are they easy to get? what is the prop mounting flange like (stud spacing would be nice0
what pcd? 4 x 4"?
How far from spring seat to spring seat? (do they sit ontop or bellow the leaf spring?)
and what power can they take? I'm looking at about 80hp, probably abit less which will kill the already rubbish reliant one)
And are wheel bearings, seals etc available?
cheers
Nick
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,538
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Mar 23, 2006 21:43:38 GMT
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Can help on some of this. Midgets have 3.9 gears and you can get uprated halfshafts for them. All service type parts available. Springs normally go under the axle. I think there are 3.7 gears in this axle in Riley1.5's but they're really rare. Minors proably have 4.2 or 4.3 or something. A35's 4.55
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Follow your dreams or you might as well be a vegetable.
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BMC axelrustingdeathtrap
@GUEST
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Mar 23, 2006 21:44:45 GMT
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I've got one that might be avaliable soon. PCD is 4x101 but 4x100 will fit (vauxhall, VW ect) It sits on top of the springs. But to be honest if you want something to take a bit of power you might be better of with Mk1 or 2 escort. They're about the same width. If you want more info on the minor axle i can measure it up tomorrow night You wont have any trouble getting bits for one.
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Last Edit: Mar 23, 2006 21:46:18 GMT by rustingdeathtrap
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Mar 23, 2006 21:46:09 GMT
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What about an axle from a Dolly Sprint? I've got one in the garage I can measure up if you'd like. It's pretty narrow.
They'll take 300lb/ft before the CROWNwheels go and the halfshafts do a greeeaat cheese twist impression.
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Last Edit: Mar 23, 2006 21:47:36 GMT by Lewis
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Mar 23, 2006 21:53:00 GMT
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Marina/Ital axle is a good choice. Pretty light, LSD`s are easy to get hold off and all bits are easily available due to the fact caterham used them in se7ens for a long time
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Mr K
Posted a lot
Posts: 2,993
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Mar 23, 2006 22:10:44 GMT
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hmm, current ratio is 3.23... and sits under the leaf and is pretty narrow, i could get away with an extra inch or so of width.
if the leafspring sits under the axle thats also a bonus as thats a axels tube diameter of slammage strait off.
iam realy open to sudgestions but it idealy needs to be 4x4" and for use with leaf springs.
i will measure mine tomorow and see what you guys can come up with?
the only thing that bothers me is the handbrake linkage, will a custom cble be expensive and hard to get? how do you guys do it?
thanks for the replies!
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BMC axelrustingdeathtrap
@GUEST
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Mar 23, 2006 22:16:30 GMT
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Standard cables, modified linkage. A few trips to the breakers is sometimes called for too ;D
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BMC axelPaul H
@amazonsprite
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Mar 23, 2006 23:18:28 GMT
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Nick, if this is for the Kitten, you'll probably want a Spridget / A35 axle, as this is narrower than the Moggy one. Off the top of my head, halfshafts are usually a weakness - loads of info in the Spridget sections here (btw, you'll need to register to access the archives) Most common ratios: 4.55:1 - 948 Minors / A35s & Moggy 1098 vans 4.22:1 - 1098 Moggys, pre 1275 Spridgets 3.9:1 - 1275 & most 1500 Spridgets 3.7:1 - Last 1500 Midgets
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Moggy axles break with 40 BHP going through them... They are 4x4" PCD (whats all this metric nonsence? LOL) lots of parts about to refurbish or uprate them. As Rev Dick says maybe cheaper/better to start with something a little tougher in the first place though.
I'm always nervous about 100mm wheels on 4" PCD. It causes problems on 4" PCD Vauxhalls.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Nathan
Club Retro Rides Member
Posts: 5,649
Club RR Member Number: 1
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BMC axelNathan
@bgtmidget7476
Club Retro Rides Member 1
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As Paul Says the Half shafts are the weakness, BHP if you have the uprated ones would take the 80Bhp, I know this cus My Midget Produced 88Bhp before being put into storage.
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Last Edit: Mar 24, 2006 9:21:54 GMT by Nathan
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Mr K
Posted a lot
Posts: 2,993
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hmm, problem is the low ratio needed, and its so narrow, how rare / expensive are 3.7:1 axles? and can the spriget ones still only take 40hp?
don't realy know where else to turn, not a great deal has 4 x 101mm pcd, and don't wnat to get into having hubs re drilled, and the pcdomatic is down.
by the looks of things a mk2 escort is pretty close on the track side of things, BUT pcd is wrong, and i would have to jump up to 13" wheels... hmmm, 13 x phat steels up the rear, 10 x 3.5s up front... might destroy the handleing abit.
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BMC axelPaul H
@amazonsprite
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Mar 24, 2006 10:10:19 GMT
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Of course a Spridget axle can take more than 40bhp (even a standard Moggy 1098 has 40bhp.... ). If you want an even narrower casing, get the wire wheel one (iirc, it's about 1" narrower), but you will need to shorten the steel wheel halfshafts. Uprated halfshafts would be a good idea, but there is a mod to stop the halfshafts breaking somewhere in the archives on my previous link & also here. The cheapest way to get a 3.7 diff could be to get a rusty 1500 midget that has one (how to check is another matter...) & break it for parts. If it's not too bad (e.g. just mega rusty), might even be driveable so you can check if the diff is ok / quiet. Not sure if the BMC axle can take smaller than 13" wheels, but the drums aren't exactly big, so could be possible! I strongly recommend that you ask on that Spridget forum - many of the cars are highly modified so they will know what works & how to do it.
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Last Edit: Mar 24, 2006 10:12:56 GMT by Paul H
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