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| Home > Help Needed / General Tech Chat > Will any speedo spindle work with any speedo pinion? | |||||||
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36 Posts Member #: 4743 Member |
17th Apr, 2009 at 10:16:26pm
Folks,
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 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
17th Apr, 2009 at 10:22:03pm
i now there are two types of 7 tooth spindle, the 7 tooth used in the later minis (mpi?) have a different helix shape thingy their part no begins with TMX IIRC, there is a specific pinion to go with this, as long as you steer clear of them two i thing your fine. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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 869 Posts Member #: 2443 Post Whore Cheshire |
18th Apr, 2009 at 12:08:26am
On 17th Apr, 2009 mini13 said:
i now there are two types of 7 tooth spindle, the 7 tooth used in the later minis (mpi?) have a different helix shape thingy their part no begins with TMX IIRC, there is a specific pinion to go with this, as long as you steer clear of them two i thing your fine. Very true about the mpi spindles......i found out the hard way! |
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 (2)[/url] by [url=https://www.flickr.com/photos/150672766@N03/]Rod Sugden[/url], on Fli) 5988 Posts Member #: 2024 Formally Retired Rural Suffolk |
18th Apr, 2009 at 01:32:57am
In theory, for each of the chosen teeth number of the plastic gears, they come in three specific helix angles to match either a 5 or 6 or 7 tooth steel gear.
Schrödinger's cat - so which one am I ??? |
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36 Posts Member #: 4743 Member |
18th Apr, 2009 at 05:35:08am
Thanks for the replies so far....
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5988 Posts Member #: 2024 Formally Retired Rural Suffolk |
18th Apr, 2009 at 10:55:28am
On 18th Apr, 2009 mpe said:
Thanks for the replies so far.... Rod - who will have the most complete collection of gears for sale? It'd be good to get the right number of teeth AND the right helix on each gear, if possible... I honestly don't know - I first realised it when I noticed different part numbers for plastic wheels with the same number of teeth but with references to the colours in one of the usual catalogue (can't remember which). Also, as some come from Metros, you won't find them all listed in Mini catalogues. So I did a bit of research on the web and dug out all my old spare ones and sure enough, sometimes there were different colours for the same number of teeth (although on old ones the colours are quite faded). So I just worked out which were matched sets and with the ratios I wanted. Apart from the "special" MPI one Joe mentions above (which I have never seen), all the 5s I have seen have been the same as each other, as have the 6s etc (although a 5 is obviously very different to a 6 etc....). But when you compare, for example, an 18tooth plastic that belongs with a 5 tooth steel to an 18tooth plastic that belongs with a 6 tooth steel the difference is much less, if it weren't for the colour difference, it would be hard to spot. Some of the colour coding differences might also be down to some coming from Metros (and then you have the added problem that a Mini cable might not fit as the metro square hole is ever so slightly smaller) So I don't think it's really an issue unless you're a perfectionist. Plus there were only a limited number of standard steel/plastic combinations so it is highly likely you will have to "mismatch" them anyway unless you have a Final Drive, wheel/tyre, and speedo head combination that exactly matches a factory car. Schrödinger's cat - so which one am I ??? |
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