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M20 ended up as part M30
Posted: Thu May 17, 2018 4:22 am
by rajeshnair
Hi all from india ,What started as a 1952 M20 with a 59 cases and modified 52 barrels I have managed to finish up as a M30 as I bought G11 barrels and heads from the USA.I live in india and as AMC twins are so rare in india.I was wondering if somebody could help me with a picture of the 59 crankcase filter with the dimension of the filter .Thanks in advance
Re: M20 ended up as part M30
Posted: Thu May 17, 2018 10:01 am
by dave16mct
Re: M20 ended up as part M30
Posted: Fri May 18, 2018 4:30 am
by rajeshnair
Thank you Dave,my crank case has a release valve on the opposite side of the filter chamber opening into the timing chest,am I correct in guessing my cases are 1959 ? cheers Rajesh
Re: M20 ended up as part M30
Posted: Fri May 18, 2018 10:02 am
by dave16mct
No, the 56-59 twins didn't have any pressure relief valve. If it's a plunger with a loose spring, it will be pre 56. If it's retained by a circlip it will be after 59.
Cheers Dave.
Re: M20 ended up as part M30
Posted: Fri May 18, 2018 10:05 am
by dave16mct
The year should be on the front of the drive side crankcases.
Re: M20 ended up as part M30
Posted: Sat May 19, 2018 2:36 pm
by rajeshnair
its retained by a circlip. it says 49 s 59 in the timing chest
Re: M20 ended up as part M30
Posted: Sat May 19, 2018 7:57 pm
by dave16mct
If it's retained by a circlip you need the one piece filter assembly. Page 18 in the 1960 manual:
http://archives.jampot.dk/book/Owners_m ... models.pdf
Cheers Dave.
Re: M20 ended up as part M30
Posted: Sun May 20, 2018 4:04 am
by rajeshnair
Thanks a ton Dave,that really helps.cheers,Rajesh Nair