| [ Total Views: 1576 | Total Replies: 6 | Thread Id: 113532 ] |
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 bronte17
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| posted on February 20th, 2019 at 08:32 PM |
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Fitting 90.5s after 92s
Hi Guys
Hoping someone can advise. I currently have 92s and thinking about a new combo with 90.5s. Is it possible to go back in size? Thanks for the info
Cheers
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 vw54
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| posted on February 21st, 2019 at 06:55 AM |
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I think you would have to make a spacer ring to fit to the lower section of the barrell so it wont cock when installed in the case
I would be measuring up the 2 barrels first
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1303Steve
A.k.a.: Steve Carter
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| posted on February 21st, 2019 at 07:03 AM |
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You should check but Im pretty sure they are the same external size
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bevoracing
A.k.a.: Tony Beven
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| posted on February 21st, 2019 at 11:13 AM |
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Gene Berg has some information buried in his web site under the "Labour" section?
My understanding is that 90.5 and 92 use the same case and head sizes.
96mm Case & 98mm head, so the 92s have thinner sealing surface & skirt, which is why people use 90.5mm
Gene says to maintain the original barrel clearances between case & head.
Says stock case has .012" to .020" clearance, doesn't say what the stock head clearance is.
http://www.geneberg.com/cat.php?cPath=2990
Some good stuff on that site.
Cheers
Tony
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 Bizarre
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The artist formerly known as blue74l
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| posted on February 21st, 2019 at 07:42 PM |
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They could be thick wall 92's
If so, 94's would fit
Futue te ipsum!!!
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bronte17
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| posted on February 24th, 2019 at 07:30 PM |
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Thanks for the info all. Much appreciated.
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vw54
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| posted on March 13th, 2019 at 07:18 AM |
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How did you go with this what was the outcome
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