Lonestar

iTrader: (14)

0.5mm is on the "slightly too much" end of the spectrum

End play is just there to offset any thermal dilatation and parasitic movement, really... 0.2mm (ie slightly less than 1/100th of a inch) is pretty much all you should need.

As said earlier, it's as much in the bearings as it's in the clutches themselves

Paul

Integra

iTrader: (8)

.4 is what avid recommends...i go usually .3

Frank L

iTrader: (148)

And you are measuring this how?

DOMIT

iTrader: (1)

I personally use a special, highly accurate, carefully calibrated tool to measure endplay. (I feel for a tiny bit of slop with my fingers.)

thuren

I just make sure the clutch bell is on the loose side. It's pretty hard to calculate how much the heat will make everything expand, and too tight will smoke bearings. I usually end up with about .5mm I would assume, maybe even a tad more. I was told to do the same thing by a couple pros who have been around the block too..

houston

iTrader: (96)

food for thought ; the looser(is that a word?) you leave your clutchbell (ie. .5mm is way too much) the more your bearings will walk out of the clutchbell . .1 - .2mm is perfect , i have had cheap as$ low budget .25$ a piece bearings last for a gallon of running and took them out cause i just didn't trust them . i always scuff in my clutch and break it in before actually running on the track also


sometimes the fast guys dont know everything guys

thuren

Oh true true... But I usually take advise from someone who can make the A main at the ROAR nats almost every year for the last handfull..

Frank L

iTrader: (148)

I don't really know how much endplay I am leaving I just leave the smallest amount if it's too tight then I take one shim out and run that. It is prob less than .5 because the shims I am useing are .1, .2, & .3. It's prob between .2 & .3

houston

iTrader: (96)

what_stanger?

iTrader: (8)

Well I suppose I should have asked who actually measured their endplay and didn't just guess.

One guys .3 could actually be in reality .5mm or greater. I thought the "rule of thumb" was .4-.5 but I honestly haven't asked that many people.

I use 1 dollar avid bearings and just change them out before they go bad, simply because I've had them go out on me, and had them get stuck on the crank once or twice back in the day too.

houston

iTrader: (96)

shim until its just tight when you put the end cap screw on , then take out the shims that you know what sizes (.1, .2 .3 ) are which . (or just by feel )

m2cracing

I run the tko special bearigs with no issues.

what_stanger?

iTrader: (8)

well I measure mine, I was just saying it won't help me out that much because it doesn't seem most people care to measure it.

losiracer78

I ran Avid Bearings and have never had a prob with them at all. Avid all the way

Integra

iTrader: (8)

I use a .3 shim and make sure i can stuff it in between the shim stack and make sure it can walk up and down....you only need to get the corner of the shim in the stack to get a good idea of where your at......the Kyosho shims make the job almost too easy if you ask me....and its funny how many guys have invested lots of $$ in those Crappy ofna shim kits that come with an assortment of shim's...there's really only 3-4 clutch bell shims in there that you can actually use.