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Topic: 24v auto to manual conversion (Read 1821 times) |
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cossielover
Newbie
1998 24v estate
Posts: 17
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24v auto to manual conversion
« on: Nov 24th, 2006, 2:01pm » |
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has anyone converted 24v with bob engine to manual (especially 4x4) ? How hard is it to sort wiring from auto box?
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TiberiuS
Senior Member
Ex. 1996 2.3 Ultima - RIP P789 KHJ
 
Posts: 2257
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Re: 24v auto to manual conversion
« Reply #1 on: Nov 24th, 2006, 4:32pm » |
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I heard about someone attempting it when I first joined, not sure who it was though 
I'd say the wiring is the least of your worries, mating the manual box with the 24v will be the biggest challenge, I believe the 4x4 bits can be sourced from a Granada or Sierra.
howiedintheplace is the one to ask I think
Regards, Bruce.
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: 24v auto to manual conversion
« Reply #2 on: Nov 24th, 2006, 5:35pm » |
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not heard of a 4x4 conversion but theres a couple of manuals out there
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: 24v auto to manual conversion
« Reply #3 on: Nov 24th, 2006, 6:43pm » |
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i think mazzy_j was/has converted his
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FDS2000 Scans - Birmingham
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Geoff_W
Senior Member
98 Ulti2.5tdi Auto
Posts: 1340
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Re: 24v auto to manual conversion
« Reply #5 on: Nov 24th, 2006, 10:41pm » |
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One of the guys at Harewood this year had a manual conversion to his Cosworth.
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The winding road goes on and on... or at least it does in Northumberland
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twinturbo
Full Member
24V's Me game!
Posts: 904
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Re: 24v auto to manual conversion
« Reply #6 on: Nov 24th, 2006, 10:55pm » |
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Mating the 4x4 gearbox to the 24V is a not a problem at all.. Will bolt straight on with out any difficulty.
You would need the 4x4 Sump & Oil Pump. And need to moddify the Windage plate to clear the bulge in the side of the sump. Flywheel, Clutch, Starter and spigot bearing will aslo be needed and the sump needs modding to take the oil drains to the front.
That's the engine converted to 4x4..
Next you need to convert the front suspension.. I am not 100% on this yet but there are two options.
1) revert to the rear ARB setup with sierra/Granada 4x4 front suspension and 4x4 Crossmember. This should all fit up. And you would uses the 4x4 Engine mounts.
2) Try fitting 4x4 Hubs to the scorpio lower arms, but you also have the problme of clearing the engine cross member which may be impossible.
Next the wiring...
Well there has never been an EEC-V 24V Manaul, so the engine map may not respond well and you may get odd things going on.
Best bet would be to swap to third part management either CHEAP on megasquirt ot Expensive on some thing like MBE.
TT
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howiedintheplace
Senior Member
Based near Evesham
Posts: 1194
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Re: 24v auto to manual conversion
« Reply #7 on: Nov 25th, 2006, 12:05am » |
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TT has pretty well much covered it.
Remember the 24V engine is a 2.9 12V engine block.
A 2.9 12V was fitted to the Sierra XR4x4.
So if you get one of them you have most of the parts.
But I must ask are you converting a Scorpio 24V too 4x4 or are you fitting the engine into something else
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Dave
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mazzy_j
Full Member
Posts: 664
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Re: 24v auto to manual conversion
« Reply #8 on: Nov 25th, 2006, 6:04pm » |
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Yeh i'm in the middle of converting mine at de mo but its kinda of a long- term project as its not my day to day motor.
I have all the bits i need now along with the needed guidance from Dave (Thanks!!)
What you need is:
a gearbox and prop from a derv scorp
bellhousing and flywheel from a 12v 2.9 sierra
mt75 clutch
clutch bearing and fork
spigot bearing
and a pedal box
thats the main bits if i remember rightly. I'm taking my gearbox into work on monday because you need a very long socket to undo the shaft centre bolt (which i don't have), seeing as its where they train the new ford monkeys mechanics i would hope they have the bits i need!!
Then i have to see if the pedal box i have will fit in place of the auto box, and if not make it fit
Hopefully should be done late spring sort of time 
Matt
p.s. Dave, i forgot to ask you but i can still use the 24v starter motor with the 12v flywheel can't I?
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twinturbo
Full Member
24V's Me game!
Posts: 904
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Re: 24v auto to manual conversion
« Reply #9 on: Nov 25th, 2006, 7:32pm » |
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I looked at my old BOA starter and my XR4x4 starter... There is a minor difference but that could be just manufactures differences.
TT
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mazzy_j
Full Member
Posts: 664
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Re: 24v auto to manual conversion
« Reply #10 on: Nov 25th, 2006, 7:57pm » |
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Ta, i think so longs as the flywheel has the right amount of teeth i hope it'll be ok. I know the 2.8 and 2.9 differ (i think??) I'll have a look on interford later and have a dig around...
Its not urgent at the rate i'm going
Matt
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hellblue
Full Member
Ill have silver,it dries just as fast !
Posts: 210
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Re: 24v auto to manual conversion
« Reply #11 on: Nov 25th, 2006, 9:07pm » |
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2.8 & 2.9 flywheels only differ in weight 2.8 is the lighter one & if used will need a small gearbox mod as the release bearing has to sit further forward, the revs will build up quicker with the lighter flywheel.
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Gary
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cossielover
Newbie
1998 24v estate
Posts: 17
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Re: 24v auto to manual conversion
« Reply #12 on: Nov 27th, 2006, 12:24pm » |
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Thanks for all the advice guys! To Howiedintheplace - I have 24v estate which I would like to convert - great car but gearbox lets it down. To Twinturbo - whats Megasquirt?
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howiedintheplace
Senior Member
Based near Evesham
Posts: 1194
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Re: 24v auto to manual conversion
« Reply #13 on: Nov 27th, 2006, 1:33pm » |
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As Gary says. Yes the 24V starter fits.
Cossielover I would try fitting the 2.0L 16V diff first, it may be enough for you & is as quick as a manual 24V if not quicker
It's possible to make a auto 24V into a manual with steering wheel paddles for the change.
Very trick
Just thought there is a difference in starters.
The later ones bolt up from the gearbox side.
The mt-75 starter is meant to bolt up from the engine side as the bell is threaded for it.
A simple enough task to fix but you might want to source a XR4x4 2.9 starter, they are cheap as chips on ebay after all.
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Dave
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TiberiuS
Senior Member
Ex. 1996 2.3 Ultima - RIP P789 KHJ
Posts: 2257
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Re: 24v auto to manual conversion
« Reply #14 on: Nov 27th, 2006, 7:42pm » |
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Howie, a manual changer for the auto would be great, I agree also that a good auto is nearly always quicker off the mark than a manual. The diff ratios are too steep for the engines, they give a nice cruise but I feel I could make my 2.3 way better with another diff.
As Highlander has done, you could change the diff ratio and make it into a rocket, the Cossie block has bags of power but I felt myself it was held back by the 'box at mid speeds. That's the route I'd be taking, way cheaper than another make of car, 210 horses geared down like that is not to be sneered at 
Regards, Bruce.
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: 24v auto to manual conversion
« Reply #15 on: Nov 28th, 2006, 12:38pm » |
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Yep stick the 4.27 diff in, it takes nearly 2 secs off the standard 0-60 time and it only takes an hour or two to do, the hardest thing is finding a diff
after that you'll need both hands free to hold on anyway
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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cossielover
Newbie
1998 24v estate
Posts: 17
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Re: 24v auto to manual conversion
« Reply #16 on: Nov 30th, 2006, 4:12pm » |
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Anybody got a 4.27 diff I could buy??
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: 24v auto to manual conversion
« Reply #17 on: Nov 30th, 2006, 11:21pm » |
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Theres one on ebay for £175!!
I got mine off a scrapper i bought for spares (which cost £100!!)
That might be your cheapest option, no one seems to be breaking any 2.0 16v's on here just now.
Great fun though, Porsche Boxster performance for £100 and a couple of hours work
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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mazzy_j
Full Member
Posts: 664
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Re: 24v auto to manual conversion
« Reply #19 on: Dec 12th, 2006, 9:21am » |
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Dave, tiene un problemo!
I may work at a Ford training centre which teaches the new monkeys (god help us all!!) and the new engineers etc, took the gearbox in to undo the large nut you need the long socket to undo, only they don't have the long socket!  Where abouts would i be able to get hold of one? or is it a case of chopping a socket in half and welding a bit of pipe between the 2 halves (not what i really want to do).
Thanks, Matt
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