StevieB
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| posted on 16/10/06 at 02:11 PM |
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TRT Props (again)
Probably been done to death before but:
I was thinking about getting a TRT for my car. Apart from the obvious benefits to the general way the car feels (vibrations through gear shifts etc),
are there any other reasons for a TRT (will a non TRT damage my gearbox in anyway?).
The reason I ask is because I have a prop as modified by MK at the moment, and if there's no actual damage to be done to my gearbox, I'll
fit it until I can afford more money for the TRT at a later date.
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zxrlocost
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| posted on 16/10/06 at 02:33 PM |
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fit the one you have itll be fine
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StevieB
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| posted on 16/10/06 at 02:34 PM |
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Well - I've just checked prices and £300 for a TRT or £0 for what's already on the floor of my garage.
I'm not even going to bother painting it since you can't see it and it will get replaced eventually with TRT anyway!
Take it I should get a rubber drive doughnut though?
PS - you are becoming my little window to a world of knowledge today - thanks!
[Edited on 16/10/06 by StevieB]
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zxrlocost
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| posted on 16/10/06 at 02:46 PM |
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dont paint it your right
no rubber donut just bolt straight into diff then two big bolts which hold centre UJ
I spaced these out with (about) 13 huge load washers on each pin
then bolt to your sprocket adaptor with some 8mm allan bolts from memory
Use Nylock nuts on everything AND thread lock
Threadlock threadlock threadlock 
no probs with help ill put some pics up tomorrow for you
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StevieB
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| posted on 16/10/06 at 03:01 PM |
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Cool - thanks
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scoey m
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| posted on 16/10/06 at 03:02 PM |
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Hi steve
I asked this question a while ago see if this helps
http://locostbuilders.co.uk/viewthread.php?tid=52435
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StevieB
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| posted on 16/10/06 at 03:05 PM |
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I'll plump the cash eventually, but if it's the difference between Wilwoods all round or a TRT prop, then the Wilwoods are the best option
I think.
My only concern was whether NOT having a TRT would be bad for the gearbox/clutch. As it would seem not to be such a great deal, then it's
another £300 less to spend until I'm on the road!
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shortie
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| posted on 16/10/06 at 05:32 PM |
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I would suggest using really good aircraft strength bolts on the engine end, I think they are called K-nuts but will check later. Also best to use
Loctite 270 which is stronger than normal threadlock.
No rubber doughnut required.
HTH,
Rich.
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StevieB
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| posted on 16/10/06 at 06:09 PM |
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Decent bolts, loctite and lockwire will be the order of the day for everything that moves on my car!
I just dont trust myself to do things properly!
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Coose
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| posted on 16/10/06 at 09:13 PM |
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Steve,
DO get a TRT fitted to your prop. Really do....
Mine was about £110 fitted to my prop at D&F and worth every penny. It has reduced (though not removed) a lot of the painful sounding clunks. Mr
Yamaha fits a cush drive to the rear wheel of an R1 for a reason, so I'd really recommend getting one fitted to your prop....
Spin 'er off Well...
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StevieB
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| posted on 16/10/06 at 09:16 PM |
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Helloooooooooooo!
Got a quote from D&F for £300 inc VAT - he reckoned it was cheaper to get a full new one than to try and convert a sierra unit.
As it's not essential, it's gone onto the 'nice to have' rather than 'need to have' list for the time being.
Unless someone wants to buy my big compressor, blast cabinet, sierra rear hubs, 2 sets of front calipers, a set of rear calipers and my PS2 with games
(cheeky plug!  )
[Edited on 16/10/06 by StevieB]
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Hellfire
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| posted on 17/10/06 at 12:18 PM |
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Once your gearbox is damaged a TRT aint gonna fix it. Like the old saying goes - Prevention is better than cure.
If it comes down to a choice between the Wilwoods and a TRT, go for the TRT.
Better still, get your existing prop done at D&F with a TRT and do away with the Wilwoods for the rear. 
Phil
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StevieB
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| posted on 17/10/06 at 12:22 PM |
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I need the Wilwoods to be able to fit 13" wheels.
There's nothing wrong with the gearbox, I just wondered if using a standard prop would damage the 'box in any way.
A TRT will be fitted eventually, but I'm up against budget and time to get on the road by May.
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Hellfire
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| posted on 17/10/06 at 12:29 PM |
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There's nothing wrong with the gearbox now. That's not to say that there will be, even when you've done a few thousand miles
in it but common sense tells you that a prop with no cushion in it, isn't good for the gearbox and will lead to premature wear.
Are you sure that you need the Wilwood rears for 13" CXR's?
Phil
[Edited on 17-10-06 by Hellfire]
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StevieB
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| posted on 17/10/06 at 12:34 PM |
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Not entirely sure about the CXR's - the disc and calipers have a total diameter of something just over 12" - with the handbrake mechanism,
I figured this will be a bit too close for comfort!
Might actually use KN Minator minilite replica's though (far cheaper) - not entirely sure yet.
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Hellfire
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| posted on 17/10/06 at 12:49 PM |
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The Sierra rear calipers are quite slim in profile so definitely worth checking if you really do need to fit Wilwoods before spending your hard
earned.
Phil
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StevieB
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| posted on 17/10/06 at 12:50 PM |
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quote:
Originally posted by Hellfire
The Sierra rear calipers are quite slim in profile so definitely worth checking if you really do need to fit Wilwoods before spending your hard
earned.
Phil
But I like shiney things as well!
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Coose
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| posted on 17/10/06 at 01:36 PM |
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I'm with hellfire on this one Steve - as I said, Mr Yamaha fits a cush drive for a reason.....
If you want to know the inside diameter of 13" CXRs you just have to ask!
Spin 'er off Well...
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StevieB
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| posted on 17/10/06 at 01:51 PM |
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I'll get a TRT then!
I'm still getting the Wilwoods though - I'm not completely broke (just a bit after Rufforth!), I'm just a tight fisted git!
I'm selling off all of my sierra calipers anyway, and also my big compressor and blast cabinet now that I'm finished with them - need the
space in my shoebox garage!
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scoey m
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| posted on 17/10/06 at 06:10 PM |
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Ive only just recently picked my prop up from D&F stunning quality and cost 235 collected
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mad dad
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| posted on 17/10/06 at 06:17 PM |
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Help...am i right from reading the posts that you can get a TRT fitted to your existing propshaft??? and if so how much..not sure if above post is for
new shaft or for having one fitted - apologies if its an obvious answer but thought i'd ask anyway Cheers
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StevieB
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| posted on 17/10/06 at 06:24 PM |
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You can get it done, but the guy at D&F told me it'd be cheaper to buy a new unit.
It also must depebnd who at D&F you speak to, because I was quoted £235+VAT for mine, which can't be massively different to scoeym's
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Hellfire
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| posted on 17/10/06 at 09:51 PM |
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If you ring D&F, make it clear that you already have a propshaft made to the correct dimensions and that you want the rear section of the prop
replacing with TRT. Shouldn't cost you more than about £150 collected. (Unless their prices have increased quite substantially in the last 9 or
so months)
Phil
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StevieB
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| posted on 17/10/06 at 10:02 PM |
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I told the guy all of that - getting the impression he either just couldn't be bothered with converting an old prop or just wanted more money
out of me (either way, I got quoted a hell of a lot more than scoeym for more or less exactly the same thing)
Shall try again another day and see what the answer is!
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JoelP
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| posted on 18/10/06 at 07:37 AM |
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the guy at D&F probably doesnt want to start messing about with an unbalanced sierra prop, understandable really. If it were all new parts and
ballanced i bet it would be a lot cheaper (ie hellfires prices!)
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