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July 9th, 2005, 01:49 PM   #1
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correct way to skim the block of husey?

i stripped my motor and then put the spigot back in the cases. tightened them up and sent the 'engine' off to the motor engineers. they're very good normally but they "howled" that the spigot wasn't sat level with the top of the case. the job couldn't be done!

question;
how do you ensure that the spigot and case are machined evenly and correctly?

PS; in the end they had to be machined seperately.

regards

Taffy
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July 9th, 2005, 02:04 PM   #2
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Re: correct way to skim the block of husey?

Originally Posted by Taffy
i stripped my motor and then put the spigot back in the cases. tightened them up and sent the 'engine' off to the motor engineers. they're very good normally but they "howled" that the spigot wasn't sat level with the top of the case. the job couldn't be done!

question;
how do you ensure that the spigot and case are machined evenly and correctly?

PS; in the end they had to be machined seperately.

regards

Taffy
Hi Taffy,
Liner protrusion in the neighborhood of .13 mm is not a problem and often proves of advantage.

If one must adjust the protrusion may I suggest (from experience) removing material from beneath the liner flange in order to prevent chipping the bore plating.

Insuring the case tops are flat is as you mentioned a simple issue of milling.

Kind Regards,
Dale

PS
If the liner flange is warped beyond limit one may reduce bore chipping while turning the top by sanding a chamfer on the upper bore edge prior to the machining process.
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July 9th, 2005, 04:35 PM   #3
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thanks dale

a comprehensive answer but you have left me with one question!

should the linar 'naturally' protrude or should it stay as is and be flat?

.13mm = .005" or as we would say "5 thou".

regards

Taffy
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July 9th, 2005, 04:43 PM   #4
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Originally Posted by Taffy
thanks dale

a comprehensive answer but you have left me with one question!

should the linar 'naturally' protrude or should it stay as is and be flat?

.13mm = .005" or as we would say "5 thou".

regards

Taffy
Flush to .13 mm proud is considered normal. I would address anything more than .2 mm.
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July 9th, 2005, 04:51 PM   #5
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cheers dale

in the next edition of 'owners doc' under 'engine rebuild'!

regards

Taffy
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