rx8 gearbox?

[Ianbavs]

The pedal box end is fixed as normal nothing changed there
It's the other end fork end which is floating


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[alladdin]

The idea is that there's enough movement in the outer cable by having it too long ( in a loop ) and simply moving the end point of outer rather than stretching it.
I think .....


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[katana]

The pedal box end is fixed as normal nothing changed there
It's the other end fork end which is floating

It can't work then! Inner is fixed solid at gearbox so pedal won't move. Outer is fixed solid at bulkhead so won't move at g/box lever. Cables only transmit force by either having both ends of the inner moving with outer fixed or both ends of the outer moving with inner fixed - trust me on this!

[Ianbavs]

I've just bolted outer at one end in vice n pulled inner holding the inner other end and it pulled the outer other end in out
So works for me and Peugeot :-)


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[ugg10]

I've just bolted outer at one end in vice n pulled inner holding the inner other end and it pulled the outer other end in out
So works for me and Peugeot :-)


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My brain is starting to hurt on this one, think it needs a video as illustration!

[Ianbavs]

This will only work in a curve not a straight line so will try vid it Lata


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[Ianbavs]

https://vimeo.com/183024489


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[Ianbavs]

Just took vid it's being processed by taptalk :-)


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[Ianbavs]

https://youtu.be/V5nuugW65dU
YouTube link if it works 🤔


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[katana]

I stand corrected and apologise for doubting you. I let normal usage that a cable pulled at one end pulls at the other whereas your method translates a pull at one end into a push at the other, cloud common sense! Everyday's a school day!

[andnorr]

Don't over think it it will fry you lol BUT it works and should help lots of you run a clutch cable without to much modification sorry for the late reply have been busy in work. Thanks to the others for taking the time to explain that it works. Thats the beauty of forums like this everyone is here to help each other

[alladdin]

Any ideas on a cable route ?


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[ugg10]

Any ideas on a cable route ?


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I guess it will have to go right round the front of the engine. Thus will help this method as it provides a nice curve to try and straighten out.

Had ad a look at mine last night (puma 1.7 in Anglia 105e) and does not look like I have enough room so back to original plan to pull from rear.

[vince hill]

Just starting mine will get the engine out tonight think I have got all the parts I need
any one know how to wire the reverse light to the switch on the box

[andnorr]

Why not try a pivot point mounted on the hydraulic cylinder bolt holes then you could use a conventional pull cable

[ugg10]

Why not try a pivot point mounted on the hydraulic cylinder bolt holes then you could use a conventional pull cable

The hydraulic actuator on the rx8 box pushes the arm away from the engine end, the opposite way to a normal ford box. Putting a std cable on the actuator mount will pull it the wrong way, you either need to pull or push it rearward hence the discussion on brackets on the box split line or using the outer cable to push it.

hooe this helps.

[andnorr]

I meant that you could use a 90 degree L shaped pivot point with the cable pulling from the side and a rod on other side of pivot which would be pushed towards the rear thus moving the clutch lever thinking of using this type of operation with the xe as the exhaust manifold is on that side of the engine so will be a bit warm for the cable

[andnorr]

Something like this

[Ianbavs]

Might b too much friction etc some manufacturers do this with a z shape linkage but u need a good pivot :-)



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[vince hill]

That's the engine out tonight now to start fitting the gearbox
been trying to get some photos up but no luck so far

[alladdin]

I was thinking of pivots myself but not looked at it closely tbh as yet.
I think this will be the way forward for some if the pivot arm can't be moved to escort position. Either that or a simple hydraulic pedal mod


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[vince hill]

Got the plate on the engine and flywheel fitted just having a bit of trouble with lining the starter motor up

[ugg10]

Got the plate on the engine and flywheel fitted just having a bit of trouble with lining the starter motor up

My box needed the bell housing grinding out. Pics in this thread http://www.turbosport.co.uk/showthre...=886393&page=2

[vince hill]

Would it be ok to space the conversion plate away from the engine about 1mm
I am using the inertia starter motor and the gear cog is just touching the flywheel

[katana]

Wouldn't it just be easier to spacer the starter backwards with some washers? Is the flywheel ring gear correct for an inertia starter?

[vince hill]

Yes same ring gear that came of my xflow with the starter the cog on the starter is in front of the flywheel so can't space the starter as will make the starter cog come into the flywheel more

[Ianbavs]

How are u guys mounting the rear of the gearbox ? Any rubber mounts an easy mod to support the rear ?
I may make up a bracket to support the Rx8 original rubber support bolted through the floor 🤔


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[vince hill]

I will be using my existing gear box mount and adaping it to fit

[ugg10]

I will be using my existing gear box mount and adaping it to fit

Should have some pics at the weekend. In the Anglia the rear mount on the box lines up with one of the cross beams so looking to mount it there. Basic idea is, working from gearbox down, ally or steel plate bolted to bottom of rear mount (can also use this for ekectronic speedo prop pickup mount), bolt to this some 1" square tube, this then bolts to the cortina type 9 mount that then bolts to some rectangular tube that is bolted to the cross beams in the body. That's the plan, basically recreate the type 9 mount on the back of the rx8 box.

[ugg10]

Just a couple of pics of my gearbox mount.

Ally plate bolted to bottom of box at the rear where the normal mount is.
Bolted to this is a piece of square tube.
The square tube bolts to a Cortina mount.
The Cortina mount bolts to a cross member.
The cross member mounts to the car.

This basically re-creates the type 9 mounting arrangement and seems to fit my car well (Anglia with 1.7 Puma Engine).

Top plate is made so that I can put a speedo pick up in it for my digidash to read magnets on the prop end and still needs a bit of tidying up. All needs a coat of paint as well, had to leave at least one job for next weekend !!!!

[ugg10]

Just a couple of pics of my gearbox mount.

Ally plate bolted to bottom of box at the rear where the normal mount is.
Bolted to this is a piece of square tube.
The square tube bolts to a Cortina mount.
The Cortina mount bolts to a cross member.
The cross member mounts to the car.

This basically re-creates the type 9 mounting arrangement and seems to fit my car well (Anglia with 1.7 Puma Engine).

Top plate is made so that I can put a speedo pick up in it for my digidash to read magnets on the prop end and still needs a bit of tidying up. All needs a coat of paint as well, had to leave at least one job for next weekend !!!!

[Ianbavs]

Looking good
what mk cortina mount is that cheers mk3-4-5 ?


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[ugg10]

Got mine from this guy - he does two different mount harnesses.

http://www.ebay.co.uk/itm/Morgan-For...wAAOSwCGVX4RP0

[Ianbavs]

Cheers


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[Ianbavs]

Rx8 carbon prop shortened to 48.5" weighs 7.7kg with atlas uj on the end
Cost £165 done by cw engineering in bexley Heath in case u want yours done :-)


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[Ianbavs]

Make that 6kg instead


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[rickerby rab]

HI.... i am having clearence issue when box is bolted to engine, no free play on clutch arm.. Did anyone ever come up with a reason for this ? pinto engine...

[Ianbavs]

What fork u using ? Pulled from front or rear


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[rickerby rab]

standard rx8 fork and hydraulic cylinder assy... when gearbox bolted up (with one of johns plates) release bearing putting pressure on fingers, loose all free play.. if you back bolts of 2/3 mm and pull g/box back its ok... thinking possibly clutch stack height to much ?

[Turboman]

Good information to hear of the std rx8 prop being shortened ��