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Post by semihemi on Nov 14, 2012 20:28:02 GMT 1
Sorry Muttley i have been busy with other projects and haven't gotten round to checking the numbers yet,im still not sure what ill be doing yet either,this other engine is a good one,i know it and the whole thing(not including the box)is now £100..im sure it'll bolt up to my 4 speed,its a few years newer too.
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Post by FredTransit on Nov 14, 2012 20:31:07 GMT 1
ah right. So that doesnt make any difference to the compatabilty of the injectors then?
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Post by gpw on Nov 14, 2012 20:41:09 GMT 1
Sorry Muttley i have been busy with other projects and haven't gotten round to checking the numbers yet,im still not sure what ill be doing yet either,this other engine is a good one,i know it and the whole thing(not including the box)is now £100..im sure it'll bolt up to my 4 speed,its a few years newer too. Generally speaking box ratios are selected to suit engine characteristics Semi.
If that new engine's power bands (torque and BHP) are different from your old engine, you might be wise to get the matching box.
Same goes for the diff really.
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Post by semihemi on Nov 14, 2012 21:42:54 GMT 1
The engine that is in it now is a 1994 DI fitted by previous owners the other one is a 1999 engine i dont know if there will be much difference Mike?
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Post by gpw on Nov 14, 2012 22:18:35 GMT 1
According to my book they changed in 95. Apparently, there were several different engines before the change and several other different engines after the change.
I haven't got any information about the differences.
More importantly perhaps, there were 2 4-speed boxes, and 2 5-speed boxes. Essentially, choices between wide and close ratio.
I guess the a wide ratio box would suit your application better.
If your engine had a five speed box behind it originally, I daresay you would benefit by fitting a 5 speed box. Otherwise, you might as well stick to your old box.
Same diffs were available.
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Post by semihemi on Nov 14, 2012 22:23:28 GMT 1
I think the 4 speed O/D box is standard to the 1984 motorhome just the engine was changed,thats what it says on the receipts anyway,maybe i can get info from the engine no?
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Post by FredTransit on Nov 14, 2012 22:37:47 GMT 1
all I can say is it must be the original OS box cos I had a poor experience with OD in a luton the size of your camper. It never suited the engine and size of body and was too slow. We ditched it in favour of an MT75. Much better.
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Post by gpw on Nov 15, 2012 0:26:24 GMT 1
I think the 4 speed O/D box is standard to the 1984 motorhome just the engine was changed,thats what it says on the receipts anyway,maybe i can get info from the engine no? I got dragged off kicking and screaming down the boozer before I finished there hemi - sorry.
I was about to say that a lot would depend on your driving style, and how you use your motor. If you felt you needed a higher gear a five speed box would be an obvious answer. However, now I know you've got an overdrive, I'd reccomend you to keep the 4 speed and O/D. The clutchless electric change between 3 and O/D three (fourth really) gives so much scope in hilly work, or when you change between 30 and 40 mph limits, or whatever their equivalents are in that God forsaken country over the Channel.
O/D top and fifth in a five speed box are about the same, so that gear would probably only benefit you when you ran with the wind behind you, or in long downgrade sections.
I don't actually know if it is God foresake, but every time I've been there, the road is lined with members of the human race shedding a tear for the widows and orphans, mainly of the male persuasion I'll grant, but to my mind, God would foresake such a country.
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Post by semihemi on Nov 15, 2012 6:38:31 GMT 1
Fred,the box and O/D is great its just leaking oil,and quite a bit!! Mike i sit at around 60mph most of the time but it will go up to 70 no probs,thats ok for me,any faster and it starts to sway a bit plus it uses more fuel. i use the O/D without the clutch changing in but use the clutch changing back down..
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Post by gpw on Nov 15, 2012 9:47:36 GMT 1
Gear oil's cheap enough Semi. I keep a pump up garden sprayer full of oil handy to top up leasky boxes. One of these,
If it's just a seal leaking, pull the spring out. Shorten the spring a few coils. Put the spring back. Job done. Old trick, but it's much easier to pull a spring than a complete seal.
There's little point in using the clutch when you change in and out of O/D Semi. It's designed to work independently from the friction clutch.
Excellent speeds those for a Transit camper with all that top hamper.
I'd keep that old engine handy if it were me, the new one might not do as well.
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Post by gpw on Nov 15, 2012 9:54:22 GMT 1
Aaargh, I've just had a terrible thought.
If you top up make A gear oil with make B gear oil you can end up with frothy oil.
The froth then leaks out, which looks just like leaky oil.
Oil companies have got very clever with the additives they put in them. Nice.
Additives don't always mix though.
You might just solve your problem by draining and refilling your box.
Don't mention it around though Semi as people will think you are mad.
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Post by gpw on Nov 15, 2012 10:12:48 GMT 1
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Post by semihemi on Nov 15, 2012 18:42:38 GMT 1
Will that pump 90 weight oil ok Mike?yeah ill be keeping the engine too just in case though the mrs wont be too happy with more junk in the back yard..
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Post by gpw on Nov 15, 2012 19:09:01 GMT 1
Yes Semi, well it handles thick oil.
You pump the reservoir up. The air pressure blows the oil out when you squeeze the trigger.
I cut the nozzle off mine. I bought one with a metal wand.
I use a gallon one as there's more room for air when I change oil. I plan to fit a connector so I can plug into an airline. I don't know what the built in safety valve in mine is set at.
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