Mk6 JWRC fiesta cosworth
#4201
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It looks like you will be up and running soon.
#4202
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Always helps having an extra pair of hands just that I work nights a lot and usually nobody around to help me ,
Think I will struggle with the extra weight of the skyline box on my own but il try it lol
Got my skyline clutch alignment tool through today so I can fit the new paddles and line the clutch back up on the flywheel,
Also just dropped off the props to be sorted and should be done for next Wednesday
All coming along nicely so far![Top](https://passionford.com/forum/images/smilies/smile011.gif)
Thanks
Marc
Think I will struggle with the extra weight of the skyline box on my own but il try it lol
Got my skyline clutch alignment tool through today so I can fit the new paddles and line the clutch back up on the flywheel,
Also just dropped off the props to be sorted and should be done for next Wednesday
All coming along nicely so far
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Thanks
Marc
#4203
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I wil have maybe have to make 2 rear props one for the standard rear diff and a custom made one for when I do the supra diff conversion. Just can't seem to make up my mind. I really want the supra diff put in. But time is getting on. And I have an escos prop in the garage. The only thing stopping me is I have another COSSY and the standard bits would come in handy for that if ever I brake anything.
#4204
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If you get custom shafts made up and you want to sell the ones you have made already I would love to take them off your hands.
#4205
I've found that life I needed.. It's HERE!!
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Not just the props but any prototype bits you have done for the skyline box conversion. As I can see your workmanship and quality are second to none. But I don't mind the odd bodge part on my race slag.
.
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#4206
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Il help where I can mate but most of my stuff inc props etc will be different due to being in a fiesta
They are using the props I made to refresh and balance etc so won't have them to spare I'm afraid
Had a few issue aligning the box as said before where it has warped during welding and the holes are slightly out now for the dowels so to hold the box in line I made up some alignment studs to guide the box on, hold it and allow me to bolt up both box holes onto the dowels then the bottom holes then remove dowels and finish bolting up
Makes life a lot easier
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On with aligning the clutch pack now
They are using the props I made to refresh and balance etc so won't have them to spare I'm afraid
Had a few issue aligning the box as said before where it has warped during welding and the holes are slightly out now for the dowels so to hold the box in line I made up some alignment studs to guide the box on, hold it and allow me to bolt up both box holes onto the dowels then the bottom holes then remove dowels and finish bolting up
Makes life a lot easier
![Name: FBF3EC09-16D5-4CD9-B670-D78B47C7C506_zpsy2jlk3jb.jpg
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On with aligning the clutch pack now
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#4208
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Great pics and the aligning tools are a good idea! Looks like we both have a similar problem lining up although I can do the first bit easily, it is when I introduce the paddle clutch and input shaft I struggle the most.
#4213
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Decided to get the messiest part out the way today which was cleaning up all the metal around the holes where I'm going to weld in new sections, it made a right mess but all done now so tomorrow I think il start cutting and folding the new pieces if I get a chance
All cleaned up
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Doesn't look like much done but that along with cleaning up afterwards took me 5 hours
All cleaned up
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Doesn't look like much done but that along with cleaning up afterwards took me 5 hours
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#4216
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As said mate it's a shame you have had to cut the tunnel up so much but needs must and it will be worth it when it's done . Just sorry to say it but then it will be the next weakest part with your bhp you have got . The rear diff as you well no I'v only got 400bhp and I'v smashed two diffs a 7.1/2 and a 7 .
I'v just sent my rear beam in to be powder coated and arms as I'v modded them to hold the suppra 3.9 diff . When it all comes out I'm going to have a new prop made and loose the center bearing .
Keep the good work up mate your doing a fab job
I'v just sent my rear beam in to be powder coated and arms as I'v modded them to hold the suppra 3.9 diff . When it all comes out I'm going to have a new prop made and loose the center bearing .
Keep the good work up mate your doing a fab job
#4217
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Yeah coley I've wondered about the rear diff so will have to see although I have more fair in that then the standard box lol, it's a gripper rear diff with shot peened and super finished CWP but as you found out it's the planet gears that don't last
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
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#4218
cossie fan (unluckerly)
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I've a gripper diff in mine but changing to a supra one. Your not brake the gripper diff it's self but the c.w.p is made of glass lol they don't like high torque. I ripped the teeth off mine flooring it off a roundabout in second I've r888's on mine and it just gripped! Mine now has a hewland shot peened and super finished c.w.p but the diffs worth a fair bit so I'd rather sell it and fit the supra one
Last edited by ajamesc; 29-08-2015 at 10:34 AM.
#4219
cossie fan (unluckerly)
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Yeah coley I've wondered about the rear diff so will have to see although I have more fair in that then the standard box lol, it's a gripper rear diff with shot peened and super finished CWP but as you found out it's the planet gears that don't last
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
#4220
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Isn't the 9inch over Ł3000? I don't know of anyone on here breaking a supra diff in terms of the gears, just the casing where it needed a rear cover...as yet nobody has Broken a covered one tha I know of.
#4221
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Yeah coley I've wondered about the rear diff so will have to see although I have more fair in that then the standard box lol, it's a gripper rear diff with shot peened and super finished CWP but as you found out it's the planet gears that don't last
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
As I have no beam to worry about, if I look at changing diffs il try and look for something even stronger than the old supra item if there is such a thing with the right ratio
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The gripper and any other good diff has 4 of them.
I think that rear will be ok for a while.
#4223
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#4225
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Don't know. Makes sense. If I was building from scratch I would now consider skyline for engine too, that or Mitsubishi evo engine and gear. Nothing comes close to the history and nostalgia of a Cossie though.
#4226
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It's funny you say that,
This guy
[img]https://turborenault.co.uk/attachments/9055/[\img]
Is using an evo engine with cossie gearbox and diffs.
I've asked why he doesn't run a skyline box with supra diff and he's happy with the cossie stuff he's got.
This guy
[img]https://turborenault.co.uk/attachments/9055/[\img]
Is using an evo engine with cossie gearbox and diffs.
I've asked why he doesn't run a skyline box with supra diff and he's happy with the cossie stuff he's got.
Last edited by stu21t; 30-08-2015 at 08:07 PM.
#4227
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Cossie stuff is fine until you make 400lb ft at a decently low Rev range and the add some grip...if it were 2wd on road tyres I suspect you would be fine.
#4230
cossie fan (unluckerly)
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Hooked up or not the 7.5 inch ford c.w.p is crap and will brake with high torque if it don't you have no high low down torque lol
#4232
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No updates as I've had the bank holiday weekend away from the car for a change, will be back on it tomorrow where I hope to start welding in the new sections for transfer box and exhaust tunnel as I borrowed some argosheild light off my brother in law today for my mig
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#4236
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Will you weld from both sides or just top? I did both sides on mine with 2 mm steel and I don't ever want to weld under a car again if I can help it! I assume that as long as it penetrates well you only need one side?
#4238
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