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Torque Specs on Spinners (BDR, SPF, FFR dealers input welcome)
Does anyone actually know the correct torque specs for Halibrand Knock offs?
I have been doing the hammer thing, but went a bit too tight and cracked a spinner taking it off. I really want to know what the specific torque should be for street and racing. I know Backdraft sells racing bolts that can fit on the standard spinners for SPF and BDR, but it they do not list the torque specs for that either. I also checked with some of the manufactures of the knock off wheels, they don't list them either. http://www.backdraftparts.com/shopexd.asp?id=136 There have to be some road racing guys who must know the torque they use when they head out on the track. |
Well, you found the value that is too much...
There's no way to gauge such a thing, it's a matter of feel. Once the wheel is properly seated (with lugs in recesses on back) and everything is square it does no benefit to keep hitting it. When I am hammering them on there's a point where the spinner is knocking back on my hammer... that's my stop point. Braking action tightens them for you. From a liability standpoint it's up to you. |
Liability
Cashburn,
Thanks. I know exactly what you are talking about when you say the "hammer hits back". It bounces back almost like a bubber ball off a concrete wall. I went road racing and wanted to make sure it was safe, so I gave it about 5 more wacks after I hit that point. I'd say I over did it a bit. I had to get it off with an impact hammer. Do you have any spinners lying around I could purchase? Releasing you and all parites who answer, has anyone actually measured the tourque for those racing bolts you sell? Tony Martin (Mr. Lucky) must have had measured something before he tore up Road America with the lowest lap time at the HSR event... |
Good to know.
I used to just hit it till my arm got tired! |
I know for a fact there is a shortage of spinners right now as the new wheel factory ramps up production.
We have only used one set of the spinner nuts, I'd be happy to offer you that same set at a discount if you want them. Not sure myself on any torque spec for them. I have another beat up set that are going back to Florida as well. |
Almost everyone puts them on too tight.
Bob |
when you take them off, don't just hit one ear, better chance of breaking the ear. Hit one ear, then rotate the wheel and hit another, continue this till it loose enough to take off by hand.
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Shouldn't they be lock wired for safety also????
Lee |
Safety???????
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I'm a dealer......so if I tell you to tighten them till they strip and then back 'em off half a turn, you will do it?
Sadly, the "feel" method is probably the best unless you are using a calibrated impact that you can set for maximum torque. One of those things you just gotta "do" until you get the feel. Oh, and if you don't safety wire your KO's, you be askin' fer it....................... |
I've been thru this spinner trouble in the past. Breaking two ears on a set of spinners that were put on too tight by a shop. Since then I scrapped the aluminum spinners for stainless steel. I always apply a little anti-sieze before reinstalling them. I just spin them on until they seat against the hub and whack once with a lead hammer and safety wire them....that's it. Safety wire stays tight, wheels don't fall off and removal is a snap.
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Tight as hell. But use a little anti seize as mentioned.
Then tap-turn, tap-turn, etc. Should come right off. |
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