Recent content by James363

Elongated holes is a bin the hub job, as far as I am aware. If the ball joint wobbles side to side, it's definitely elongated. Vernier should be ok, if you are careful. I used a CMM haha

Those are some good shouts, thanks! I don't think exhaust surrounds would be so good, not sure how hot they get... But I'll definitely get some test pieces done and try them! Maybe on a mates car though haha

I have access to decent plastic 3D printing and high accuracy 3d laser scanning equipment, and I've recently done a few bits for car interiors, where the originals have broken, so it's been glued and then scanned. Made me wonder if there are any interior bits on the clios that anyone thinks are...

Check it hasn't moved, if it's laying to one side, then will read funny/need zeroing. I'm not sure how zeroing's done, but that might help you.

True that, but a couple of the guys I work with are on here for sure haha. There's not much to spill in all honesty, except to say the engine's had a lot of work, and custom work at that. The values of these things are always difficult to work out anyway, it's mostly dependent on how much...

Yeah, I'd say that's the sort of ballpark. I'm not sure how much I can really say about it, obviously the owners of these things are usually pretty against information getting out, so I'm keen to keep most of the details under wraps, except the somewhat rare sight of 1*2's in the same shot as...

Trust me when I say this is a VERY special engine. We designed it, and it is pretty full on.

Ha ha didn't drive with it, it is road legal though, and on crossplies against R888's I don't think it would keep up with mine in the bends. Would f**k off on the straights though, a fairly hot engine in that one.

Had a D type in at work today and we couldn't resist getting some pictures before bringing the Jag inside.

The only reason to replace bolts is if they are stretch bolts like some con rod bolts. You tension them to yield, and then after use you need to replace them. Brake bolts are nowhere near that high a stress, so they don't need to be replaced. The only reason some pads come with new ones is so...

That is quite a good idea. I'd be surprised if there isn't already some literature to check my findings against too. I'll have to check out the somender-sing turbulence grooves too, I must admit I've not heard of them before!

Yeah, there have been a number of direct injection engines around before then. In terms of port injection becoming less common though, I would say that is more recent than 10-15 years ago. We are currently preparing some tests with really rough surfaced ports which we will run on our dyno. Not...

Most stuff in the last 10-15 years is port injection, direct gasoline injection is a relatively new technology. I would say it's only been appearing out on the roads in the last 4-5 years really. If you make the walls very smooth indeed, the lack of energy in the boundary layer means the flow...

My choice for a road car would be the powerflex purple dog bone mount. It's certainly solid enough to steady the engine properly, but not rock hard or thin enough to transfer too much vibration. I put the ktec racing one in my rally car, and I certainly would have taken it straight back out...

The problem with flow benches is that the flow doesn't move as quickly as it does through the ports when you run the engine. The only real way to test dimple performance is by testing the engine on the dyno. The issue is, if you can't show promise with CFD, very few people will give you the...