Wheel bolts

for those with Series MM sidevalve cars produced between September 1948 and February 1953
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pgc520
Minor Fan
Posts: 141
Joined: Thu Aug 02, 2007 8:09 pm
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Wheel bolts

Post by pgc520 »

I recently bought 4 new wheel studs (shinny one on the right) to replace those that were missing from the car (Grubby one on the right). The thread is for the latter MM or SII cars and won't fit. Does any one have four spare bolts that would fit a 1950 car?

Silly question time, What is the oil grade in the Dampers ? and what Oil grade is used in the gearbox ?

Thanks Andrew
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mike.perry
Series MM Registrar
Posts: 10183
Joined: Sun Jul 24, 2005 11:39 pm
Location: Reading
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Re: Wheel bolts

Post by mike.perry »

You were supplied with UNF bolts with 20 TPI threads and 5/8 A/F heads
You need BSF bolts with 18 TPI threads and 3/8 Whit. heads.
Where did you get them? Send them back. Try ESM, at least they will know what you are talking about. If no luck then get back to me
Damper oil = SAE30
Engine = 20/50
Gearbox & diff EP90
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