Tom,
Compression should read somewhere between 90 - 130 PSIG, according to the
manual. My '52 ranged from 105-120 on the different cylinders, and it seems
to run fine.
It sounds like you might have a partially blocked main jet in the carb. I
rebuilt my carb myself, and it wasn't at all difficult if you can keep track
of all the small pieces and where they go. Most of the suppliers on the list
can get you a carb rebuild kit, check the magazines.
I've got a set of instructions for rebuilding the carb that I think I got
off of the "CJ3B" page on the net. I'll get you the web address when I get
to work later today.
Good luck.
Mark McKee
'52 M38A1 (s/n MD 22468)
-----Original Message-----
From: Thomas M Mc Hugh <tmmchugh@juno.com>
To: mil-veh@skylee.com <mil-veh@skylee.com>
Cc: TMMCHUGH@juno.com <TMMCHUGH@juno.com>
Date: Wednesday, December 01, 1999 9:08 PM
Subject: [MV] 1952 M38A1 Runs Rough
>Hi List
>
>52 M38A1 converted to 12 volt.
>
>Help needed and will be greatly appreciated.
>
>Not to belabor my problem, but to hope for more help.
>
>In warm weather it started easily. Dry weather, in the high 30s to low
>40s it will start without needing a choke. It takes a while to warm up
>enough to rev properly. high rev causes it to miss and break up.
>
>After warming up and idling slightly fast, it suddenly stalls. It needs
>fuel to restart it but it starts easily.
>
>While driving It spits and misses badly when under full throttle. Not
>too badly if not trying full to accelerations.
>
>It feels like the valves are bad. I have not done a compression test
>yet. What is acceptable pressure ???
>
>Points, condenser, rotor, plugs, wires & coil all have been replaced
>with new parts.
>
>I have not touched the carb yet. I have never worked on carbs. How
>complete are the rebuild kits available ???
>
>
>Note: Sorry about writing previously all in upper case, it just seems
>easier to me.
>
>
>Tom McHugh
>Hackettstown
>New Jersey
>52 M38A1 ser # 20282
>MVPA 20225
>
>
>
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