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        General >> Give/Need advice to/from others >> Manual Cosworth?
        
(Message started by: Pikey on Jan 10th, 2008, 12:19pm)
Title: Manual Cosworth?
Post by Pikey on Jan 10th, 2008, 12:19pm
I'm put off the 24v V6 engine because it seems there wasnt ever a manual gearbox attached to it from the factory  :(

Was there one? Or has anyone ever converted one to manual, and if so what gearbox/parts would you use to do this?

OR - would you put a 24v engine into a manual car, is that easier?  :)
Title: Re: Manual Cosworth?
Post by LiverpaulH on Jan 10th, 2008, 12:27pm
Dark Destroyer has a waggly stick cossie, its superb. I know he hasn't posted for a while, but maybe he could point you in the right direction.

We saw the car at a couple of mids meets last year.

Paul
Title: Re: Manual Cosworth?
Post by Tons_of_fun on Jan 10th, 2008, 2:56pm
Matt from this site is doing a manual conversion to his cossie.Well worth picking his brains (clever b****r)  ;D ;D
Title: Re: Manual Cosworth?
Post by Highlander on Jan 10th, 2008, 3:02pm
The usual way to do it is to use the diesel gearbox, you need to change the pedals too as you now need a clutch :)

There is a lot more to it than meets the eye though but it can be done.
Title: Re: Manual Cosworth?
Post by Pikey on Jan 10th, 2008, 3:07pm
That sounds like a terrible idea, wont the gearing then be incredibly long as diesels dont rev very high? You'll be able to hit 60 in first, or something like that!!

I would have thought finding a 12-valve V6 car and dropping a Cossie lump in would be a better bet - no?

edit - no, as they're all autos too, lol. As you were  :-[
Title: Re: Manual Cosworth?
Post by Highlander on Jan 10th, 2008, 3:29pm
Go get your meccano out ;)

The manual boxes all have virtually identical gearing, the diff ratio makes the difference.

http://www.fordscorpio.co.uk/manual/manualtrans/MT75spec.pdf
Title: Re: Manual Cosworth?
Post by TiberiuS on Jan 10th, 2008, 4:28pm
That 2.0 8v gearset coupled with a 4.27 diff would be great for my (virtual ::)) sprints down the quarter mile, got the standard 24v torque/weight/diff at the moment on the MT75 ratios, struggling to get below 16 seconds quarter mile and 8 sec 0-60, the 4.27 diff only shaves half a sec off both times :-/

I'd love to know how some people claim a 6.5 sec 0-60 on the shorter diff/autobox, 'cos I can't get anywhere near that unless I lose about 500kg from the body mass ::)
Title: Re: Manual Cosworth?
Post by Highlander on Jan 10th, 2008, 5:47pm

on 01/10/08 at 16:28:00, TiberiuS wrote:
I'd love to know how some people claim a 6.5 sec 0-60 on the shorter diff/autobox, 'cos I can't get anywhere near that unless I lose about 500kg from the body mass ::)


I can get that in mine, admittedly it was done with a stopwatch but we did a lot of runs.
Have also done a good few runs alongside a standard Porsche Boxster 2.7 24v 228 Bhp with an official 0-60 time of 6.4 secs and there is nothing in it,
Will try and get it checked properly sometime :)

I did in in Sport mode with OD button on
Title: Re: Manual Cosworth?
Post by amigafan2003 on Jan 11th, 2008, 12:44am

on 01/10/08 at 16:28:00, TiberiuS wrote:
That 2.0 8v gearset coupled with a 4.27 diff would be great for my (virtual ::)) sprints down the quarter mile, got the standard 24v torque/weight/diff at the moment on the MT75 ratios, struggling to get below 16 seconds quarter mile and 8 sec 0-60, the 4.27 diff only shaves half a sec off both times :-/

I'd love to know how some people claim a 6.5 sec 0-60 on the shorter diff/autobox, 'cos I can't get anywhere near that unless I lose about 500kg from the body mass ::)



Are you doing high stall starts?  i.e. foot brake on, get revs to 4500rpm then launch?  Just asking as my totally standard cossie got the 1/8th in 8.06sec @ 60.46mph and full 1/4 at 16.2s @ 91mph.  

Got to agree with Highlander that the 4.27 diff should make ALOT of difference to 0-60 on an otherwise standard cossie.
Title: Re: Manual Cosworth?
Post by nice_1 on Jan 11th, 2008, 5:42pm
Tiberius, You sound like you have had you car on a dragstrip :o
That is the only way to get the proper info. stopwatches and racing along side other cars gives you an idea, but not accurate enough. 16 sec in the quater sounds about right. Anyone else had their cossie on a drag strip?
Title: Re: Manual Cosworth?
Post by peteHull on Jan 12th, 2008, 10:23am

on 01/11/08 at 17:42:06, nice_1 wrote:
Anyone else had their cossie on a drag strip?


I had my 2.3 dragged off the M5 the other year, the engine was blown up,  >:( Is this the same idea?

Drag..... Strip

}{ }{ }{


Pete

ps I do get dafter y'know
Title: Re: Manual Cosworth?
Post by Matt on Jan 13th, 2008, 4:58pm
you need more then the diesel box, as you onlyneed the 'gear box' part of it

you'll need a sierra 4x4 box for the bell housing and then the special tools to separate and join the 2 together (sierra bell housing on diesel gearbox).

you need the diesels prop shaft to

you need a sierra flywheel and a full escort cosworth clutch kit. you have to use the cable clutch form the sierra unless you want to have the bell housing welded/machined to fit the scorpio's hydraulic thrust bearing, so its either mod the scorpio clutch pedal to take a cable or mod the sierra pedal box to fit the scorpio.

thats just the mechanicals, theres the speed sensors and making the cruise control work when you dip the clutch to turn it off.

then fooling the ecu into thinking the car is in park so you can start it!

ive got the bits and i can tell you its not cheap mod lol, you could buy an early cossie in fact for the costs
Title: Re: Manual Cosworth?
Post by unseenmenace on Jun 25th, 2008, 9:16pm
I am thinking of doing a manual conversion on my 24V Cossie.  Is the Scorpio diesel box an MT75? (same as the Transit one?).  My intention was to keep an eye out for an XR4x4 V6 MT75 box and a 4 cylinder MT75 box and swap the front casings over.  Then I've got a 2WD V6 box and a 4cyl 4x4 box I can sell on Ebay or somewhere.  I've also considered a 5-speed Type 9 gearbox (as in early XR4's I believe) as V6 ones (or bellhousings) do crop up occasionally but I dunno whether they're up to the job?  The Park start can easily be solved with a switch under the clutch pedal I would think?  Then I just need a pedal set and a clutch and flywheel right?  Are there any issues regarding the starter motor does anyone know?
Title: Re: Manual Cosworth?
Post by Scorpio_Mike on Jun 26th, 2008, 12:07am
I have a spare bellhousing for an XR4i kicking around if you need one.
Title: Re: Manual Cosworth?
Post by Baz on Jun 26th, 2008, 9:30am
And with petrol going to seven quid a gallon.... you are still thinking that this is a good idea??
Title: Re: Manual Cosworth?
Post by Matt on Jun 26th, 2008, 7:42pm
the diesel box is a mt75, the trannie box wont fit so dont use that! you'll need an escort cossie clutch set (arround £180 alone), sierra xr4x4 flywheel, a prob off a manual scorpio

diesel boxes are rare finds and go for good money when they do come up, you can use the later 2.3 manual box as it has the same gearing but there even rarer,

it will have to be a cable setup not hydraulic, and the part start can just be linked out, if your car has cruise control you'll also need to link an off switch to the clutch pedal so that it doesent rev out when u dip the clutch

as i said before its not a cheap mod to do at all
Title: Re: Manual Cosworth?
Post by Highlander on Jul 1st, 2008, 11:59am
hows about this?? :)

http://cgi.ebay.co.uk/Ford-2WD-MT75-2-9-V6-Gearbox-Capri-Sierra-Scorpio-RARE_W0QQitemZ200235782887QQcmdZViewItem?hash=item200235782887&_trkparms=39%3A1%7C65%3A10&_trksid=p3286.c0.m14
Title: Re: Manual Cosworth?
Post by unseenmenace on Jul 1st, 2008, 9:02pm
That would do it but its a bit pricey for me.  I'm gonna bide my time looking for an xr4x4 box and a 2WD 4-pot box and crossbreed them.  I reckon I can get both boxes together for less than £200 and have one to sell afterwards.
Title: Re: Manual Cosworth?
Post by Matt on Jul 1st, 2008, 9:35pm
that box uses the 2.3s mt75, it would work but its not as good as using a diesel box

and i paid roughly £150 for each of the 2 boxes

the cossie clutch was about the same
Title: Re: Manual Cosworth?
Post by unseenmenace on Jul 1st, 2008, 10:19pm
So whats different between a sierra MT75 and a Scorpio diesel one?  The ratios?
Title: Re: Manual Cosworth?
Post by Matt on Jul 2nd, 2008, 6:29pm
the mt75 on the rx4x4 has another unit for the front output shaft so unless u wanna convert the scorpio to 4 wheel drive (it has been done!) its no use apart from the bell housing and i believe the rdw sierras used the type 9 box
Title: Re: Manual Cosworth?
Post by unseenmenace on Jul 2nd, 2008, 11:01pm
Oh right I knew about the transfer box on the 4x4 gearbox (not planning to convert to 4WD) but as far as I know whilst earlier Sierras used Type 9's some later ones used MT75's (theres a 2WD Sierra MT75 on Ebay at the moment).  From what I've read I need to use the bell housing end of the casing and the input shaft from the V6 4x4 box and the rest of the internals and the output shaft end of the casing from a 2WD box.  Then with whats left I can make a gearbox that can be used to convert a 4 cylinder 2WD car to a 4WD one.  I'm still not sure where the Scorpio diesel box fits in to all this.  Isn't it the same as a 2.0 or 2.3 manual box?
Title: Re: Manual Cosworth?
Post by Matt on Jul 4th, 2008, 4:25pm
the diesel box is the better one as the ratios are better for the v6 engine, also being the diesel box it will take the torque of the cossie's lump,

i'll take a pic of all the bits, ive got all the bits to do mine, its just finding the time/space to do it in  ::)
Title: Re: Manual Cosworth?
Post by 5stud on Jul 6th, 2008, 12:47pm
my brother and  me converted a e reg granada 2.9 auto to manual mt75 in 1990.using a genuine 2.9 mt75 thanks to big footed plod.we had to use the 2.9 mt75 flywheel.its thicker than type 9 2.9 .also had to change pedelbox to fit cable clutch.the speedometer drive can be ether fly by wire or cable.we also converted a 5 stud cosworth
Title: Re: Manual Cosworth?
Post by Highlander on Jul 18th, 2008, 10:56pm
Would it be easier to convert to four wheel drive then? :)

4x4 box, cable clutch and pedals, front driveshafts and sump?? :)
Title: Re: Manual Cosworth?
Post by 5stud on Jul 18th, 2008, 11:49pm
no.scorpio 1995 connot be converted to 4x4 .unless you revert to old granada 4x4 aloy bed.even then ford had to cut the chassis legs to get the drive shafts in
Title: Re: Manual Cosworth?
Post by Highlander on Jul 20th, 2008, 2:28pm
I can get a box from a D reg Granada 2.8 4x4 would this be a MT75? any of you old guys remember?? ;)
Title: Re: Manual Cosworth?
Post by 5stud on Jul 20th, 2008, 10:55pm
}no sorrey type 9{
Title: Re: Manual Cosworth?
Post by Matt on Jul 21st, 2008, 6:09pm
they can be converted into 4x4 you need the 4x4 sump so that the front diff will fit, and the front subfame
Title: Re: Manual Cosworth?
Post by Highlander on Jul 22nd, 2008, 10:58am
Ok I have a diesel box, and prop, should have a 4x4 MT75 by Friday, fingers crossed.

So i need the 4x4's flywheel to go with the box?
Does the 24v starter work with that or do i need the 4x4 starter?

Then i need to steal an Escort Cosworth clutch from somewhere!!
Would the diesels clutch not do?? i'm guessing no or you would have used it but why doesnt it? :)

pedals next then i'm ready to start thinking about actually doing it! :)
Title: Re: Manual Cosworth?
Post by Matt on Jul 23rd, 2008, 6:09pm
not you an all highlander!!

hope the prop u have is from a manual, an auto's ine wont fit

the diesels clutch aint up to the job to put it simply, you can get the escort cos clutch for arround £120

you'll also need the spigiot bearing for the flywheel and the 6 flywheel bolts, the ones that hold the torque converter wont fit

oh and if u wanna go mad like me, keep hold of yer 2ltr diff  ;D
Title: Re: Manual Cosworth?
Post by Highlander on Jul 23rd, 2008, 6:15pm
Yep, got the diesel prop too :)

So the starter/flywheel issue?? 24v starter ok on 4x4 flywheel?

Just wondered about the diesel clutch because the diesel actually has a higher torque rating than the 24v therefore i would have assumed the diesel clutch would have been more than adequate??

Just thinking out loud though :)
Title: Re: Manual Cosworth?
Post by Highlander on Jul 23rd, 2008, 6:16pm
p.s. I've just removed a 98 build 2.3 engine and box and the box is nowhere near as heavy or as sturdy looking as the diesel box I have...  thought they would look the same
Title: Re: Manual Cosworth?
Post by Highlander on Jul 23rd, 2008, 6:18pm

on 07/23/08 at 18:09:45, Matt wrote:
oh and if u wanna go mad like me, keep hold of yer 2ltr diff  ;D


and theres still the 4.0 Explorer block to come after this one ;)
(cue Baz mumping about fuel prices!) ;)
Title: Re: Manual Cosworth?
Post by Matt on Jul 23rd, 2008, 6:19pm
yeah it should be fine if you flywheel is in good nick, they one i have runs smoothly enough,

i think its more to do with where the torque is produced, in the diesel the torque is low down in the revs, so the clutch has less chance of slipping as its not turning as fast,

the cossie is at top torque at arround the 3500-4000 rpm mark, and as u know its a low more fierce delivery, when you get the flywheel you'll see the size of the friction surface
Title: Re: Manual Cosworth?
Post by Matt on Jul 23rd, 2008, 6:22pm
you'll more then likely have yours done before mine, ive got to get rid of at least 1 spare scoprio then im fully rebuilding my spare cossie lump (gaskets came today  ;D) the front suspension, brakes and then of corse the box
Title: Re: Manual Cosworth?
Post by Highlander on Jul 24th, 2008, 10:19pm
Without having looked at the engine and diesel box, a metal fabricator friend of mine reckons I may be able to have an adaptor plate to fit the diesel box made and retain the Scorpios hydraulic clutch...

Any thoughts, ideas or ridiculing on that idea?? :)
Title: Re: Manual Cosworth?
Post by Matt on Jul 25th, 2008, 4:36pm
may work mate just have to make sure the escort clutch will fit between the flywheel and the hydraulic bearing, and that the diesel box bellhousing will go over the flywheel

its quite a chunkey bit of kit lol
Title: Re: Manual Cosworth?
Post by cypress on Sep 2nd, 2008, 12:04pm

on 07/04/08 at 16:25:20, Matt wrote:
the diesel box is the better one as the ratios are better for the v6 engine, also being the diesel box it will take the torque of the cossie's lump,

i'll take a pic of all the bits, ive got all the bits to do mine, its just finding the time/space to do it in  ::)


it would be very helpful  ::)
Title: Re: Manual Cosworth?
Post by cypress on Sep 2nd, 2008, 12:10pm

on 07/23/08 at 18:16:41, Highlander wrote:
p.s. I've just removed a 98 build 2.3 engine and box and the box is nowhere near as heavy or as sturdy looking as the diesel box I have...  thought they would look the same


how can this be if both are MT75, any coments? Matt?
Title: Re: Manual Cosworth?
Post by Matt on Sep 13th, 2008, 7:24pm
no thats a strange one

the geard box part of the mt75 is just the square shaped lump at the back, the bellhousing on the diesel box i would assume is diffrent to the 2.3's.

later model 2.3's had the same ratio box as the diesels so there cant be that much diffrent
Title: Re: Manual Cosworth?
Post by 5stud on Sep 23rd, 2008, 11:44am
you learn somthing every day.ther are right and left hand drive mt75 cable boxis.see ebay 200256473942.are the hydraulic boxis handid???
Title: Re: Manual Cosworth?
Post by Highlander on Sep 23rd, 2008, 1:43pm
Saw that one, I'm still after the MT75 bellhousing but everyone seems to want a million pounds for them!!

I know the week after I buy one someone will be chucking one out!! :)
Title: Re: Manual Cosworth?
Post by Highlander on Nov 21st, 2008, 9:35pm
Finally got myself a V6 MT75 box!!!  ;D

just need the clutch now

Good timing too, I have gearbox wiring loom issues which make driving in the wet quite exciting when it suddenly decides it wants to be in second at 70mph  }{
Title: Re: Manual Cosworth?
Post by Matt on Nov 23rd, 2008, 1:11pm
nice one mate, if found out that you cant use the cossie clutch and flywheel if you stick it on the end of the 4 ltr box, and since ive since found a 4ltr bottom end ive got my 2.9 flywheel and cossie clutch for sale ;)
Title: Re: Manual Cosworth?
Post by Highlander on Nov 23rd, 2008, 1:39pm
What clutch are you using for the 4.0?
Title: Re: Manual Cosworth?
Post by Matt on Nov 24th, 2008, 6:46pm
either a mustang or a ranger one, both need to be inported from statesamd thats clutch and flywheel as their bigger for the 4 ltr, but i have the latest possible block/crank you can use wich has an 8 botl crank, if you have or find a 6 bolt crank and block then the 2.9 bits should fit ok, just be a bit on the small side
Title: Re: Manual Cosworth?
Post by Highlander on Dec 26th, 2008, 10:03pm
What year block have you got Matt??
I'm looking for a pre 96 one, is yours later than that?
Still the OHV?
Title: Re: Manual Cosworth?
Post by Matt on Dec 27th, 2008, 4:58pm
mine is a very early 97 block, right on the change over. its still OHV but has a slightly stronger block (thicker round the sump mountings) but uses the later type crank (8 bolt as used on sohc) its rare block as ford did this on the last of the OVH's to try and standardize some of the internals before the SOHC's were introduced
Title: Re: Manual Cosworth?
Post by Highlander on Dec 28th, 2008, 12:21am
Ok, so if i stick to my pre 96 block i should still be able to use the cosworth clutch etc? didnt realise there was a later OHV, you learn something new every day :)
Title: Re: Manual Cosworth?
Post by Matt on Dec 29th, 2008, 4:43pm
Hi mate

yeah you can use the cossie/sierra bits on the 96 block, it all bolts together nicely ;D
Title: Re: Manual Cosworth?
Post by Highlander on Dec 30th, 2008, 6:15pm
Looking like a job for the springtime, the 24v is going off the road for some "work" ;) I'm going to be a diesel driver again for a bit :)
Title: Re: Manual Cosworth?
Post by 5stud on Dec 31st, 2008, 11:33am
hi highlander.take a look at wikipedia-cologne v6.-rebuliding the ford 4lt pushrod v6.tells you all about the block.head.crank and wen they wear used.hase eneyone tryed using the later(and much cheaepr) ohv-ohc block
Title: Re: Manual Cosworth?
Post by Highlander on Dec 31st, 2008, 3:23pm
I was assured the SOHC engine was possible but a lot more difficult, im going the stick to the OHV ;)
Title: Re: Manual Cosworth?
Post by pinto on Jan 1st, 2009, 11:58am
interesting thread this one :)

I'm considering doing a manual 2.9 conversion, but wanted to ask what engine management system you're considering using ?
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 5:40pm
you can use the same engine management system :D

the SOHC is possible, you have to use 2 left hand Heads i believe, turning the one the other way round so you can feed the rear chain on the sohc through it

funny my project is getting started in spring, just need to shift whats left of the diesel scorp then its break the tools out
Title: Re: Manual Cosworth?
Post by pinto on Jan 1st, 2009, 5:56pm
By the same, i trust you mean the ranger's management ?  or the cossie one ?

If you plan to use the cossie EECV, how are you getting round the integrated gearbox controller on the ECU ? I should imagine it'll throw a major wobbler when it doesnt detect an auto box.
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 6:00pm
no, you use the cossie's own, engine wise its just essentially a big 2.9, and as its a learning ecu soon adjusts to the bigger block

as for the box you just have to fool it into thinking the car is in park so the start inhibitor doesnt kick in

the headach in it is setting up a system so that if the car has cruise control, it turns it off if the clutch is dipped or it will just rev out. there are a few ways to do that but im looking at using the system on the break pedal and just paralleling it up
Title: Re: Manual Cosworth?
Post by pinto on Jan 1st, 2009, 6:08pm
Im aware that it was that easy with the old BOA conversion, but it used the semi electronic ALD4 unit (as fitted to the 12v).  When the BOB unit appeared coupled to the EECV, im sure that the gearbox contoller was fully integrated into the ECU itself - thus just attempting to bypass it will thow up all sorts of other issues with the ECU expecting readings and values it wont get - a sure fire LOS recipe ?
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 6:08pm
Thinking about it, it should just be the same as when you disconnect the battery. you should just start it and just leave it to idel for 10mins while the ecu learns the setup again then drive it so it relearns the fueling
Title: Re: Manual Cosworth?
Post by pinto on Jan 1st, 2009, 6:14pm
If its that easy, then its all roses :) but every BOB/manual conversion I know or have heard of either runs on the ealier BOA management with a seperate control system for the VIS, or on aftermarket management such as OMEX or emerald.

Hence why im wondering :)

I was considering megasquirt personally.
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 6:23pm
ive had a good chat with dave of FP, he assurs me it will run. was thinking of having a proper ecu when ive saved up again, but the only way to know for sure is to do it! i know what you mean about the autobox and ecu, from what i gathered is that yes the ecu controlled the box, but only in the sence it controlled the gear selcetion through the solenoids and a signal from the VSS (which also needs to be changed for the diesel box's one btw).
Title: Re: Manual Cosworth?
Post by Highlander on Jan 1st, 2009, 7:18pm
Oh its sounding very complicated :)

Matt, about the VSS, use the 24v drive pinion in the diesel box is that what you're saying?

Or in my case the 2.0 16v drive pinion? ;)
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 7:25pm
It wouldnt be any fun if it was easy LOL }{

in your case mate it would either be the 2.0 or the 2.5 diesels, im not sure how far out the speedo will be out with your setup.

im not sure my self what to use yet, ive got 3 diffs (2.0, 2.5 and 24v) at my disposal, 2 diesel boxes and i'll have 2 cossie auto boxes to mix and match bits. i can see it just being a case of fitting it all then messing with one bit at a time  ;D

what i do know is this, 4.0ltr 24v + manual box + 2.0diff = shredded tyres :D:D:D. however using the 2.0 diff will give you mega acceleration but utter rubbish mph, top speed and really is a waste of the manual, 2.5 diff, 2.5 vss is my fav atm but since the diffs are easy enough to swap i may have a play with them but set the gear box up with the diesel vss ;)
Title: Re: Manual Cosworth?
Post by Highlander on Jan 1st, 2009, 7:35pm
As I understand it the VSS works off the final drive from the box therefore the teeth on the VSS drive pinion need to be matched to the correct diff.

As long as thats done then the speedo reading should be accurate.

Am i wrong?

I have fitted the 4.27 VSS drive pinion the the 24v box and it reads spot on as it should do, slightly faster than actual speed.
Title: Re: Manual Cosworth?
Post by Highlander on Jan 1st, 2009, 7:37pm

on 01/01/09 at 19:25:59, Matt wrote:
using the 2.0 diff will give you mega acceleration but utter rubbish mph, top speed and really is a waste of the manual


Mine can still hit 140mph with the 4.27 diff ;)
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 7:48pm
you are correct in what you say but are you basing that on using a standard auto box? Not a manual gearbox from a diesel scorpio, its something i smiply dont know with out trying because its not somthing that common and normally this sort of convo ends up in a lighter sierra

Its not like i can say stick the 2.0 diff in the diesel and drive it round either because its again completly diffrent. a 4ltr 24v will chuck out a good 300bhp and a roughtly the same amount of torque. that bolted to the MT75 will change a few factors that we know of because were used to basing figures running a 2.9 24v on an auto box

running a 2.0 diff along with a manual box you are in some ways canceling out the benifits of having the manual box in the first place, not to mention how well a diff designed to run on a car with what 120 - 150bhp will cope with double that and even more torque
Title: Re: Manual Cosworth?
Post by Highlander on Jan 1st, 2009, 8:06pm
Well i have plenty spare diffs, only one way to find out ;)

The speedo shouldnt be a problem though, no matter the BHP and torque of the engine, and whether its manual or auto the output shaft/diff combination will give the same reading.

I have tried a 4.27 diff in a diesel as a wee experiment , you need to pull away in second lol first gear is useless, you can hit 6000 rpm by about 15mph but its great for wheelspins :)
Title: Re: Manual Cosworth?
Post by Matt on Jan 1st, 2009, 8:16pm
well stuart mate we better start building these monster scorpios and see whats what  ;D
Title: Re: Manual Cosworth?
Post by 5stud on Jun 19th, 2009, 9:07am
hi grumpy one.read this old post


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