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Yes, clogging oilways and getting caught in the oil pick up on the pump is the issue.
I’ve taken several engines apart and found silicone on the mesh of the pickup.
The anaerobic sealant goes rock solid in the joint but any excess stays fluid so it’s much safer.
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I spoke to him after. It was definitely cold tyres and trying too hard.
Nick Hamilton had an almost identical off a few years before in a Clio Cup. Right down to the fire extinguisher coming loose!
You can find it on YouTube
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It’s probably a reconditioned one so there is a chance that the casings are not the same.
If you’ve tested it and it’s ok then you’ve got a spare!
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Not standard or at least I’ve never seen that. Is there any evidence of work being done on the head? Porting or skimming?
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Doesn't matter what you coat them in I think. If you use a lighter colour it's just going to go this way. Mine are regularly coated with VHT paint and after one outing return to this too.
I had exactly the same with them on the race car and standard callipers.
Great pads but too aggressive and destroy discs.
Gone back to CL RC 6 now
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Love Orange bikes although my current hard tail is a Cube that I’ve had for a few years. The geometry just seems to be perfect for me.
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I have a bar welded between the 2 shock turrets. Independent of the cage. Maybe you can find a local fabricator to do this? Shouldn’t be too costly.
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If you’re only doing track days a 4 point will be fine. (5 point is better but more awkward) Without a cage you just need to find a way of mounting the shoulder straps behind you.
This angle is critical.
3 inch straps will be the most comfortable unless you use a HANS device in which case 2...
Might actually meet you there! I'm racing at Snett on the Saturday but giving Rob Quantrell a hand at Silverstone on the Sunday in his Clio. (Won't be driving unfortunately)
Yes, on my Seat Leon Cupra R they used to melt all the time.
Don’t use the caps anymore on any car. (Although all the other cars are race cars anyway!)
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Part of the fun for me is building and working on these cars and I definitely wouldn't have the budget to pay someone else to build it anyway. That said, I'm still easily into £20k. For that money though I have a very competitive car that is always at the sharp end of 30-40 car grids.
Also...
Thought I'd updated this after the test day in March! Can barely remember it now and obviously all racing came to a standstill literally the day after the test.
So, the test day..
It almost all went to plan!
The morning was spent dividing the driving between Jon and me, Slowly getting quicker...
I wouldn’t know for certain but there’s a good chance. The F4R design is just about the worst for a high revving engine. Because of the stroke, on full chat the pistons move up and down the bore faster than an F1 engine! (Can’t remember the figures but it’s ridiculous) no wonder they like to let...
Beware of skimming the head though. As these engines are interference engines valve to piston clearance is tight. If you want a higher compression ratio buy pistons designed for that purpose which are profiled accordingly.
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I use King Race bearings and have found them to be good.
Yes, I would stay away from Wossner pistons if you can although they are an affordable way to get the compression up.
I use JE pistons but they are made to order in the states.
pure motorsport head is a nice bit of kit but if you’re only...