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Anyone recommend a method to clean it? What kind of oil should I use in it, and how much?
Just want to make my M38A1 in top shape before I embark on a road trip from Philadelphia to Massachusetts!

Not certain about the M38A1, but my M38 air cleaner has instructions stamped into the housing:

REFILL TO "NORMAL OIL LEVEL" WITH CLEAN MOTOR OIL OF SAME GRADE AS USED IN ENGINE

These helpful photos are courtesy of Wes's album:




For cleaning, the instructions state:

REMOVE ELEMENT FROM THIS CLEANER AND WASH IN KEROSENE OR GASOLINE

As I said, this is for the M38, but the M38A1 air cleaner looks like it operates on the same principle. Over of the CJ3A site, they also suggest "Stoddart Solvent" as an alternative cleaning agent.

Owen.

They are maintained the same and the info is in the TM for the jeep.

1-remove
2-disassemble
3-clean in kerosene or solvent.
4-air dry
5-fill the sump to the line with the same oil you have in the engine
6-reassemble

How long of a trip is that?

about 4 hours

You'll definately find out if you can trust her with that kind of trip!

Where in MA are you heading to? Up 95 or back roads or the NYS Turnpike?

You know, you're definitely not instilling me with alot of confidence!
And I was going to go from North East Philadelphia to Chicopee, Mass. I was thinking I could take 95, just stay in the slow lane.

Didn't mean it like that - I wish I trusted mine enough to take a long ride, but I haven't driven it enough. Maybe after the rally this week I will trust it more.

My MAARNG unit is in Chicopee. Coming up from Philly I would definitely take 91, but you could also cut over to the western part of CT and take some of the local highways, maybe not as far as RT 7, but where you won't have the high speed traffic to contend with. Either way I would definitely recommend NOT taking your jeep through NYC via 95. Too crazy and dangerous as it is. You can go up the Delaware river highways until you get to the Palisades and Taconic Parkways. Much more enjoyable ride and not as crazy on traffic, though still can be hectic and "exciting" depending on your time of day and day of travel.
Food for thought.

Guys, There is no reason to not trust a properly maintained vehicle. do your homework and you will have little if any problems, if you take care of the vehicle it will take care of you. I would suggest a few spare parts like points & cond, a jug of antifreeze and oil, and a 2 gal can of gas, and a set of hand tools. One of the problems with this hobby is most are scared to go more than 50 miles from home, why? tripple A will bring you home if you do have trouble. My longest round trip has been 1300 miles in a stock M-715 and no problems, I have many times logged more than 300 miles in a day going to MV events here in MN/WI and most of the people there trailer less than 50 miles to events.

MHO, Lee

Taking any older vehicle at 55mph on route 95 through metro New York, up through Stamford, Bridgeport, New Haven, onto 91 and into Hartford to Springffield would be a nerve-wracking, suicidal endevor. The average bumper to bumper traffic flow moves at 70mph from 6am until 10pm. In the slow lane expect 65. Left lane is 75+. Heavy truck traffic runs that route.
Take your time to map a route via secondary roads. The speeds will be realistic, other drivers will not be texting, reading, angry nascar drivers and you won't have the trucks to deal with.
The big plus of the back roads (route 7, route 8 are still busy but very passable via jeep) are you go through towns where people actually wave to you and the views can be great.
The jeep will be able to make a long trip. But Route 95 and 91 is no place to try to do it on.
Tom

I'll second Toms statement. Highways up this way are dangerous in a regular car. No one travels near 55. I ride my motorcycle on 95 and 91 and avoid both whenever possible..... Good luck and happy traveling!!!

Just as I posted above. Avoid I-95, I-91, I-89. I've done those roads hundreds of times in my Tahoe and Land Rover, at all hours of the day and days of the week and it's not a route to be taken lightly even in those vehicles. Discretion is the better part of valor here. While I agree that a properly maintained vehicle should have few real problems with covering the distance, find alternate routes so that you can enjoy the scenery and your vehicle without fear for your life and limb.
Should be fun!

Hmm, isn't there a way I can get my GPS to track the route using back roads?