kingr
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| posted on 15/2/03 at 11:42 PM |
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Gearbox/Engine confusion
I'm having a few gearbox mating related issues. The hole in my crank seems to be the same if not smaller than the width of the last section of the
input shaft on my box and not deep enough, the end result of this is that even without spigot bearing/flywheel/clutch there is an inch gap between the
gearbox and the engine. There seems two possibities, 1) non standard engine (it came from an XR2, so no spigot bearing) 2) wrong gearbox, it's 5
speed and it came out of a 1.8 F reg CVH engined sierra.
So, what's it to be, and is there any easy way to fix it? If not, and it's going to be more hastle just to get the sodding thing to even mate up, I
think I might just ditch the xflow, flog my webers and start saving my pennies for a bike engine. I was planning on going that way eventually
anyway.
Kingr
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Stu16v
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| posted on 16/2/03 at 01:14 AM |
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I think you have probably hit the nail on the head, the fact that it is originally a FWD engine is more than likely the problem, as RWD Xflows mate up
to a type 9 no probs.
Dont just build it.....make it!
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theconrodkid
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| posted on 16/2/03 at 08:16 AM |
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sounds like you have the mt75 box,i fitted a type 9 to a cvh no probs,is box alloy or iron case?
who cares who wins
pass the pork pies
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jollygreengiant
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| posted on 16/2/03 at 10:57 AM |
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FWD engines generally have no & need no input shaft support. if your engine is out of a XR3 then it is a 1600 CVH and there will be no provision in
the crank for an input shaft suppport bearing. Take a 3/8" drive extension & insert in through clutch splines till you come to a stop. mark distance
to face of clutch plate. On input shaft that distance from the gearbox end of the splines to the nose of the shaft MUST be less than the distance
that you have measured un your extension. If not then you need to either get the correctengine/crank combination or have your crank moddified to take
a spiggot bearing.
Sorry.
Enjoy.
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kingr
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| posted on 16/2/03 at 12:14 PM |
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Sorry, I probably should have been more clear about what engine it is, it's a 1600 Xflow from Mk1 XR2. The gearbox is definately a type 9 (ali tail
section, steel body and bolt on bellhousing). Here are a few pictures to show the problem, does the crank look different from a standard crossflow?
How much do you think it would cost to get the crank modded to suit?
Kingr
 
Rescued attachment crankshaft end.jpg
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kingr
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| posted on 16/2/03 at 12:16 PM |
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Rescued attachment crankshaft hole width.jpg
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kingr
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| posted on 16/2/03 at 12:17 PM |
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Rescued attachment gearbox input shaft width.jpg
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jollygreengiant
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| posted on 16/2/03 at 04:23 PM |
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Hmmmmmmm. sorry my mistake, blurry vision first thing in AM. mis-read xr3 for xr2. theory says that spiggot bearings should be same size but I could
be wrong. have you tried fitting nose of input shaft into spiggot bearing (withoutflywheel/clutch present so you can see). if nose fits then problem
must be with clutchplate & splines. If no fit then either temporary solution is to remove old spigott bearing & run without (major league dodgy bodge)
or remove input shaft & get it turned down to fit in bearing. (& if not already done overhaul gearbox at the same time cos you've got to strip
gearbox to remove input shaft.) Cost wise not a clue on machining.
If nose fits in spiggot bearing then fault must be with wrong plate for gearbox splines, sorry but have to ask, did you try the plate on the shaft
before fitting. Some times the simplest of things are overlooked. I was just about to condemn the injectors on my pinto, then I checked my valve
clearances, Goes like the proverbial off a shovel again now.
Enjoy.
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theconrodkid
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| posted on 16/2/03 at 04:45 PM |
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afaik the mk1 xr2 used a kent engine,did you put the spigot brng in?looks like wrong bearing in the hole,pull it out and get a new one to try
who cares who wins
pass the pork pies
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kingr
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| posted on 16/2/03 at 05:04 PM |
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Ummmm, that's not a bearing, it's a lump of metal, and I don't think it's removable (or is it?).
JGG - I was trying to fit it without any spigot bearing/flywheel/clutch.
Kingr
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theconrodkid
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| posted on 16/2/03 at 07:32 PM |
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well that peice of alien spacecraft shouldnt be there,deport it and fit a bearing,all your problems will be solved
who cares who wins
pass the pork pies
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kingr
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| posted on 16/2/03 at 07:40 PM |
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Well, I spent a fair old time trying to get the sodding thing out firstly with a small chisel that fell to bits before it did anything particularly
useful, and then bashing an m16 nut into it, and then trying to screw/wrench/hammer it out. The nut eventually came out, but the metal bit didn't. I
just don't know if it's removable or not, or even how. Help!!
Kingr
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Wadders
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| posted on 16/2/03 at 09:14 PM |
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If it does turn out that you need to have the input shaft turned down, i'll happily do it for you, as long as you can give me a size to work to, all
it will cost is the postage to and from Yorkshire.
ATB
Al
Originally posted by jollygreengiant
Cost wise not a clue on machining.
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Stu16v
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| posted on 16/2/03 at 11:06 PM |
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I cant comment for the XR2 Xflow, but the majority of FWD Ford engines do not have a spigot bearing. But you will need to use one with a RWD box, as
the input shaft and bearings are not designed to cope without.
I think it may mean changing crank or removing it and having the necessary machining done to fit a spigot bearing. Doh!
Dont just build it.....make it!
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