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drmini in aust
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PostPosted: Tue Jun 26, 2012 8:02 pm 
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It depends what your rods are like.
The set I just fitted went straight in, perfect fit.
The previous set I polished .001" off.
Some people just press them in, like the big J rod bolts all are.

[edit] I just measured a new bolt, register size = .3750" dia.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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MiniVLT
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PostPosted: Sat Sep 15, 2012 4:05 pm 
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Doc / Matt, just a question on the 'fit' of the bolt.
I've read that the bolts need to be a 'press' fit. If they are loose the cap can move around and hence bearing clearances will change. What is the press fit? It's not and interference fit so I'm assuming the bolt and hole are the same size?

Cheers Shane

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If it's not a Cooper S, the mini was designed to be modified!
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drmini in aust
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PostPosted: Thu Sep 20, 2012 7:42 pm 
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I'd say (my rule of thumb) that fit required is from `size to size' to .0005" (1/2 a thou) tight.
I agree, you don't want them loose.
Comments Matt?

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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MiniVLT
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PostPosted: Thu Sep 20, 2012 8:32 pm 
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Thanks Doc, that was the impression I got.

Cheers Shane

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TheMiniMan
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PostPosted: Fri Sep 21, 2012 10:01 am 
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drmini in aust wrote:
I'd say (my rule of thumb) that fit required is from `size to size' to .0005" (1/2 a thou) tight.
I agree, you don't want them loose.
Comments Matt?


yep,,, i`m cool with that yep

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