ch1ll1
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| posted on 1/7/06 at 05:10 PM |
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sierra diff
hi
any body got a diff bracket template they could e-mail , (plate the you weld to the rear tunnel )
or is there a place on the net?
cheers paul
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andyharding
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| posted on 1/7/06 at 06:16 PM |
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I have a pair of diff brackets if they're any use?
Are you a Mac user or a retard?
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ch1ll1
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| posted on 1/7/06 at 06:28 PM |
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u2u sent
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smdl
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| posted on 2/7/06 at 02:42 AM |
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Me, too!
I am also looking for a template if anyone has one.
Thanks,
Shaun
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JoelP
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| posted on 2/7/06 at 08:57 AM |
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i can think of two approaches here. Most manufacturers sell these plates very cheap (£20 from MNR etc), so you could just buy them. Thats not a bad
price when you think of the cost of a large piece of 6mm plate and the time taken to chop it up.
If you dont want to buy it, just measure off the diff and make one to match. All you need is the distance between the two holes and the angle of the
line between them. 
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smdl
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| posted on 2/7/06 at 04:41 PM |
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Being that I live in Canada, and that I seem to have tremendous difficulty in getting anyone over there to sell me things, I'm feeling forced to
make everything myself (or to have it made). Seriously -- I have been trying to buy a De Dion axle (even in component form)from anyone over there for
about 8 months, and just can't find anyone who will do it. If anyone has a suggestion, I'm all ears.
With regard to the diff mounting plates, isn't it also important to ensure the correct mounting angle for driveline alignment? I recall someone
saying some time ago that it is critically important to have the diff and the engine/gearbox in exactly the same plane(s), even if they are offset
slightly. The basic concept was that if the angles were different, the prop shaft would start to flex at high speeds. Is this valid?
Does anyone have any tips as to methods to measure and confirm proper alignment of all components?
Thanks for any help!
Shaun
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JoelP
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| posted on 2/7/06 at 06:42 PM |
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thats easy that one, make the diff flange perfectly vertical and the engine/gearbox precisely horizontal, and you are good to go. Just make sure the
engine is straight. I measured the diff angles once but im notorious for bodging things, so dont ask for measurements!
Do you currently have a sierra diff?
As for the prop flexing, if you do it as accurate as you can and make sure the prop is the right diameter and well balanced (ie, get it made
professionally unless you are very competent!) then you will be fine.
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smdl
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| posted on 2/7/06 at 08:04 PM |
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Thanks, Joel.
Yes, I have a Sierra diff from a Merkur XR4Ti (Sierra). I also do definitely plan to have the propshaft professionally made.
With regard to ensuring that the engine and gearbox are completely level, is there a good reference point on the ST170 Zetec to measure this? For
example, is the cam cover completely level in relation to the crankshaft?
Sorry if these are elementary questions -- this is the first time that I have had to work with both ends at once!
Thanks,
Shaun
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JoelP
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| posted on 2/7/06 at 09:06 PM |
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a spirit level along the line of the head gasket should be enough, or im sure there will be a casting line somewhere that is level.
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smdl
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| posted on 2/7/06 at 10:15 PM |
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Thanks, Joel -- makes sense. I know that this sounds a bit elementary, but I usually find that I am much better prepared when I discuss
"simple" matters in advance with those that have gone before me!
Cheers,
Shaun
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