Type 9/MT75 and MTX75 Interchangability

[Streetfighter]

Question from a friend of mine.. He recently bought the 1995 RS2000 i'd had laying about, and he asked me if the type 9 gearbox would bold straight to the back of the rotated RS engine.. I know the input shafts are the same at 1" by 23 spline. But he needs to know if the bolt pattern is the same for these boxes.. ANy halp appreciated, since it will make me look more knowledgable than I really am

[mk1mexico]

Im not 100% here, but if the I4 8 valve engines in RWD 51erra's can use an MT75(they do from the factory), then surely the RS2000 FWD 16v engine that originates from the 8 valve 51erra lump will have the same pattern, as its only really the head and some mountings that differ from the old 51erra lump.

[bortaf]

Both MT75 and type 9 will physicly fit as in the B/H pattern yes but not sure what clutch combo he'd need ?

To fit a type 9 on a RWD twink (sierra 8V) you need a V6 box and a diesel bellhousing to clear the twinks thicker flywheel but i have no idea how thick the FWD flywheels are?

[Streetfighter]

As long as the bolt pattern is the same I think that's all that matters. I figured the bolt pattern would be the same what with it being a Ford.. I would have thought that the flywheel and clutch etc would change over fine simply because of the splines etc being the same.. I guell we'll see when the engine is out

[over_head_cam]

IIRC the i14 flywheel is about 4 foot think so will need to be machined. Apart from that my mind's gone blank. Hope this helps

[LEONMEX]

IIRC the i14 flywheel is about 4 foot think so will need to be machined. Apart from that my mind's gone blank. Hope this helps

 

im sure that will help

[Streetfighter]

I'll tell him to bang out the grinder and a micrometer

[bortaf]

IIRC the i14 flywheel is about 4 foot think so will need to be machined. Apart from that my mind's gone blank. Hope this helps

thats why you use the diesel BH for the type 9 as i said it's deeper to take into accout the thicker flywheel

[Streetfighter]

Now i'm the one needing help.. I got the engine back off the friend, because my Dad bet me that I couldn't get the engine and box in my MK1 Cortina and have the car running within a month.. Being a dick, I accepted.. So does this sound sensible now, that because the input splines for the Type 9 and the MTX75, that a pinto flywheel should in theory go on the back of the I4 Engine as long as the crank bolts line up and that I can the run a pinto clutch? Help really needed because I hate losing

[bortaf]

No flywheels wont interchange you need to keep the thick flywheel and like i said prev get a diesel BH to take into account the extra thick flywheel for fitting a type 9

[Streetfighter]

the round ones, looks like my deadline for Wheels Day isn't gonna happen.. This alwayts happens, the old man irritates the hell out of me and my hugely competitive side comes out.. Oh well, Modify and overcome...

[Matt.C]

i used to have a sierra with a twink fitted and i used an uprated pinto friction plate with a sierra cover cause you cant get uprated clutches for a 8v twink. hopes this helps a bit

[Streetfighter]

What flywheel was that with?

[Matt.C]

was with the 8v twin cam flywheel

[Savvi]

Can you not fit the original box ?

I thought they were shorter which might make other problems easier ?

 

Is it this engine your fitting ?

 

[Streetfighter]

Sorry to be so thick on this, it's the one part of the work that's stopping me from banging into this.. Would it be possible to run the 16v RS2000 DOHC, with an 8v DOHC flywheel and a Type 9 with to be honest a mystery bellhousing? I assume it's Sierra, Capri, RS2000.. I can't imagine i'v lucked out and gotten a diesel BH.. Also would that mean that with the 8v flywheel I could retain the RS clutch, cover etc? Basically I have a type 9 with a mystery BH, an entire 16v RS2000, a garage, tools, welder etc, and can really only afford to spend £100, and have a chosen deadline of Wheels Day I like a challenge...

[bortaf]

get a pic of the B/H? unless it's a diesel one it aint gonna work there's only really 3 or B/Hs for a type 9, 4 cyl (CVH and pinto are the same). V6 (early and late with and without cut out for the H/D layshaft bearing) and diesel (extra deep cos the diesel has a thicker flywheel like the DOHC).

What's the mystery about it? with the V6 box the input shaft sticks out past the B/H face so when you stand the box on it's B/H it wobbles on the floor, the 4 cyl box doesn't do this cos the input shaft is shorter and doesn't stick out past the B/H so will sit flat on the floor no rocking about, the diesel box sits on the floor the same nice and flat cos the although the input shaft is long like the V6 box it doesn't stick out past the B/H cos it's deeper.

Any help?

sorry not hot on explanations i usually make it more difficult

 

If you use the MT 75 you'll need to fit a slip joint into the prop cos the rear of the MT has a fixed yoke not a sliding splined section like the type 9 does, as the axle moves up and down the effective length of the propshaft changes hense the sliding joint but as the MT was designed with the 5ierra and granada in mind with a fixed diff biolted to the shell it didn't matter, the length doesn't change a whole lot but it'll put pressure on the U/Js and diff and tailshaft bearings if there no allowance for the change IE a slip/sliding joint.

So all in all it's either a diesel B/H or a prop, what's easyer for you to sort ? might give you options?

[Streetfighter]

I'll check the BH and spline length thing tonight, if I have lucked oput and it's a DI BH then i'll be away.. The DI BH will be easier to get, however right now I don't have a prop either simply because i'v no idea how low, and far back i'm gonna mount the engine. And the reason it's a mystery is because this type 9, actually came out of a Vauxhall Chevette hybrid race car thing.. So I have no idea what engine was in it etc.

[Matt.C]

Just out of interest how thick is the flywheel on the rs2000 engine that youve got.

[Streetfighter]

I don't know, the engine is still in the car. I don't wanna tear the engine all out and find I fall at the first, I wanna get as much knowledge and info as possible so I can get this done in 2 or 3 weekends.

[Matt.C]

in the thread about sierra engine in a capri an rs2000 engine will bolt straight up to a type 9 box.

[Streetfighter]

So, there could be a small chance that I might actually have to not worry about it at all?

[Matt.C]

Its a possibility but theres only one way to fine out.

[Streetfighter]

This is true.. Well once the weather gets 1 or 2 degrees warmer i'll be in the process.