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Jan 26, 2010 21:49:54 GMT
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My Mazda has Ford alloys on fitted with wobble bolts, been on a while apparently but the other day I spotted that one of the bolts is missing. Was definately there at the weekend. On investigation the thread has been completely stripped. Cant get my head round why one thread would be stripped? Are wobble bolts safe or could it be something to do with them?
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Colonelk
Posted a lot
Posts: 3,740
Club RR Member Number: 83
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Wobble bolts - safe?Colonelk
@colonelk
Club Retro Rides Member 83
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Jan 26, 2010 23:30:15 GMT
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could be as simple as someone over-tightening the bolt, or a poor quality bolt.
You do have to check tension on them semi-regularly I believe unlike normal ones.
Whats the difference in PCD its overcoming?
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,733
Club RR Member Number: 34
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Wobble bolts - safe?Dez
@dez
Club Retro Rides Member 34
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Jan 26, 2010 23:52:55 GMT
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the ebay-spec wobble bolts are ubeleivably sh!t quality.
a mate had a set to put alfa wheels on a vw, so overcoming 2mm, and every singe one buggered the threads when they were torqued up properly as they were so soft. i got him to go to the bolt suppliers and replace all the bolts with hi-ten stuff, but use the collars so they still wobbled, and they were fine, after all the hub threads were cleaned up.
what mazda to ford setup is it? all the combos of bolt patterns i can think of are either too offset for wobble bolts, or the same pattern so don't need em?
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Mike D
Club Retro Rides Member
Posts: 2,196
Club RR Member Number: 57
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Wobble bolts - safe?Mike D
@v8mike
Club Retro Rides Member 57
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It's running Mazda 4x110 with Ford 4x108
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Its a 76 Mazda 1300 which is 4x110 and I believe the Alleycats I have are Ford which should be 4x108.
Its Its not actually the thread of the bolt that is stripped, the bolt has gone missing, its a thread in the hub! The rest of the bolts are fine, I took the wheel off and checked, all the threads are fine and the bolts tighten nicely but just the one hole on the hub is completely stripped, the other bolts aren't even close to winding into it now. They were definately fine the other day. I cant see how hitting a pot hole etc.. could just make one bolt come out and strip a hub thread? when the other three are nice and solid? Could the shock of a pot hole if hit at the right angle do this to just one bolt? I'm struggling to come to terms with the physics! Its not like the theads are worn either, they all look and feel fine, except for this one. The previous owner has been running them for 2 years as well with no issues
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LowStandards
Club Retro Rides Member
Bigging Up The Sum Sum Man Since '99
Posts: 2,656 
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Dave, one of the threads was already partially stripped, on the front left iirc, it held well when i had her, must of finally given up! Nowt to do with the bolts!
As a bonus, the hubs is part of the disc and a new pair on the 'bay is about £12!!!
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Jan 27, 2010 11:02:54 GMT
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Aha, thats a relief cheers Phil, I can stop imaging my wheels are gonna fall off on every corner! Where did you get the bolts, do you know the thread specs by any chance? I'm one bolt light now!
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kevfromwales
Posted a lot
the conrod's REALLY out the block now!
Posts: 3,909
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Jan 27, 2010 11:12:28 GMT
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I was thinking about this yesterday - must concentrate on driving more!!
if you had this sort of size difference (ie 2mm) on something like a wolfie, could you not have the holes drilled out bigger by an engineer, but witht he original hole offset inside the new hole - then either use fatter (tube type) wheel nuts - or an alloy sleeve which the wheel bolt goes into?
-all of this may be the unsound engineering wise -was just musing really
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Almost on the road: b11 sunny breadvan, e36 tds, 325i skidcar,
nearly there: ford f250 tathauler, suzuki alto, u11 bluey
not for a while: ford pop, 32 rails,
not in this lifetime: ruby, '29 hillman
''unfortanatly I'm quite old and scruffy and in need of some loving. my drive shaft needs a new boot....''
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LowStandards
Club Retro Rides Member
Bigging Up The Sum Sum Man Since '99
Posts: 2,656
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Jan 27, 2010 11:15:41 GMT
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I beleive there 12x1.5 then you've just got the length! I think the front car be slightly longer than the rears! Might be best to get a full set, as they were cheap ebay ones :/
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Raoul Duke
Part of things
Posts: 990
Club RR Member Number: 117
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Wobble bolts - safe?Raoul Duke
@raoulduke
Club Retro Rides Member 117
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Jan 27, 2010 20:00:19 GMT
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if you had this sort of size difference (ie 2mm) on something like a wolfie, could you not have the holes drilled out bigger by an engineer, but witht he original hole offset inside the new hole - then either use fatter (tube type) wheel nuts - or an alloy sleeve which the wheel bolt goes into? If you were going to an engineer anyway, and assuming the alloys had a flat face for the bolts a la Revos, you'd be better off plugging the holes and re-drilling between them. See last months PPC for details (involves a lot of brutal hammering IIRC  ) Apparently that also works for going 4-5stud or vice versa. |
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...a redder shade of neck on a whiter shade of trash...
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Jan 27, 2010 21:14:45 GMT
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Is this the old mazda estate jobbie I saw on here? With some custom spacers on?
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gazdon
Part of things
Posts: 252
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Jan 28, 2010 21:38:32 GMT
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i have a pic of the sierra daveyboy I'm the new owner  |
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