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Taken off google: A cryogenic treatment is the process of treating workpieces to cryogenictemperatures (i.e. below −190 °C (−310 °F)) in order to remove residual stresses and improve wear resistance on steels. Lose a gear = drop down a gear mate. A Quaife or the pms items are maintenance free...

It's important to remember that these gearboxes are 'splash fed' with oil to the gears, shafts and bearings. Any proper gearbox will have its lifeblood pumped through it to these vital areas and components. The faster you spin the shaft up, the greater the need for oil to be where it's needed...

The casing can be strengthened, and you could have the gears shot peened or cryo treated. My opinion is that the bearings will fail before the gears as I'm still yet to see a box that's stripped the teeth off a gear. A lsd in a jc5, combined with good quality oil (not the Renault stuff...

Piece of piss mate. :wink:

He did and got about 305bhp iirc Keith. Then he sold it shortly afterwards, or put it up for sale at least!

It'll be the torque that kills them mate not the bhp. Looking box fresh there @Christ Almighty!! I can't recommend scoff @efi highly enough tbh. He's one of life's nice guys and has proper enthusiasm for what he does.

In that case 1.5hrs. Lol! It only takes me 10 minutes to strip them anyway.

You need to open the box up mate to replace them, so if you've had experience of opening a box up, it's around 1hrs work.

R82 01 048 885 is the part number for the seal and bushes, and they're £15:33 + vat for the kit mate.

Unfortunately I think once the oil is warmed up fully, or even overheated, the sealant won't be doing much of a job. Those TND kits are just way to hit and miss with the tension of the o rings as well for my liking.

No mate they don't. Fit it dry and you'll be fine. Rtv is the work of a bodging t**t imo

Only way to fix it properly is to replace the seal and the bushes that the selector shaft actually pivots in.

If you can wait another couple of weeks and get the box over to me, I'll do a rebuild on it mate. Can't do anything atm, as I've got enough jc5's to last me a lifetime! Lol

Excellent news sonny!!! This just goes to show that ktec no longer deserve the shite that's been thrown at them. Sean is a legend as well tbf. He's on with a little project for me with a gen90 currently too. :cool:

Cheers mate. That's how I prefer it - different to everyone else! Yeah providing the weather is ok, there will be plenty of footage!!

Cheers sonny!

Yeah. Use arp! Lol! That's as much insight into that as I'm ever going to have. I'm on standard head bolts as well. Good enough for R3 maxi - good enough for me. :up:

Gearbox oil cooler pump and system now primed up and no leaks. Getting good at this now! :wink: Pms shifter has been fitted today. I thought these were difficult to setup?!?! Piece of piss tbqfh! Must be beginners luck eh! :cool: Not much left to sort now, although the undershield is having some...

I only rebuild boxes mate, I don't have any that I can supply unfortunately.

Just buy some high tensile (12.9) cap heads to replace the original main bearing bolts. That's what I've got on mine, and it's withstanding 8krpm.

Yes mate. The pms manifold I have dictated this.

It's only modified in the fact that I've changed the position of the breather take off mate. Otherwise it's just a standard plate.

I'd have to dig them out mate, but £30 delivered? @alexadams182

Most certainly are mate. They're a used set from a spare 172 head I had. All straight and true.

I've got a set of inlet valves @alexadams182 if you're interested?

Yes mate, but be warned, you'll need to be very careful when you move it as it'll be very easy to go to far, or alter the geo.

It's more a case of that not all cars are the same mate tbh, so the location points can be in a different position slightly. If you look at the alignment spec for the rear end of one of these cars, you'll see what I mean. The tolerances are f**king ridiculous. Lol

Yes mate that's the ones. Lubricate the living s**t out of them before you try and loosen them, otherwise they'll spin and you'll make your life miserable!!

I'd genuinely be surprised if the disc is the cause of the problem, but it's a possibility. You'll only know the answer to that one my swapping the discs around. It could just need the location points adjusting though.

I know what power it's made as it was me who set the cam timing, and I can assure you, it's a good graph!