Underdog

Name: F 785T Date Added: Owner: Underdog Underdog

Name: F-607T Date Added: Owner: Underdog Underdog

The only issue would be to make sure ALL of the old green coolant is gone. Even a small amount of ethelyne glycol will defeat the advantage of the new red exteded life coolant. If your engine has the coolant conditioner/filter spin-on, change at the recommended interval and no other additives are needed. Gregg

Vibration could be an issue, when was the crank damper last replaced? Also gerarbox is right the flywheel MUST be machined and also while you have it out, balance the driveshaft. DO NOT allow your parts man or repair shop talk you into a higher torque clutch. The torque rating must match the engine output or the damper springs will not work as intended, more like a solid disc. Too much clutch is just as bad as not enough, and it will again fail prematurely. One minor detail I practice is to always depress the clutch during engine shutdown. I can't prove it, but I believe it saves wear & tear on the entire driveline. Next time you shut off the key, listen and feel all the gears and clutch banging back & forth. Then do it while holding the clutch. Listen and feel how smooth the engine comes to rest when the driveline is disconnected. Gregg

My serial number is F607T 2570. I am glad this topic came up at this time. I was considering an engine swap, but I am confident now that keeping the original engine and transmission is the right thing to do. Mowerman, mine has the TRD 67 2-stick Duplex trans. I have heard the unishift were troublesome; glad I don't have that. Also I can see where the rear cab support has been welded so I keep my eye on that. This area was obviously a problem on the F's as the rear cab support was greatly improved in later models. My '70 F785T 6150 has a completely different cab support and latch system. Gregg

Hello, Rob. It is always a pleasure to meet face to face those friends we would never know other than the cyber world. Looking forward to seeing you in Mass. hope we both have iron up & running. I am just 5 min. off I-80 near the PA/NJ line if you need a pit stop about 200 miles away from Springfield, MA. I have already decided to take time off for this show since it is so close to home. As I said earlier, life is too short to spend chasing the dollar. Gregg

Thanks, Larry. After speaking with the experts, I learned that #2 main bearing is the last point in a Mack engine to receive oil, thus the first to manifest any problem related to lubrication. That is the bearing that failed in my engine. Just those few precious seconds upon startup could make the difference. I have the same 3 line bypass filter so the spin-on conversion should work for me as well. Gregg

Thanks, TBone. I have been losing ambition over the summer as I have been quite busy with work. It feels good to be making progress on this project. Sometimes you just gotta say SCREW IT life ain't all about the money. Gregg

As an added bonus to make my day complete, I actually sold the B-61 LST and moved it out. A father and son bought the truck with plans to restore it. 11-year-old Jimmy seems ambitious and very interested in the old trucks and his dad already has a few, including a B-30. I am looking forward to seeing the B-61 at truck shows in the future rather than in the scrapyard. I probably could have made more money scrapping it, but it does my heart good to see young people interested in the hobby.

More action pics...

Sunday was a good day in Bangor. FINALLY have made some time lately to move ahead on the F607. Got the engine out to repair spun main bearing and crankshaft. I plan to repair this engine and put it back in, since this is one of the few early F's I would like to keep it original. The plan is to be up & running in time for the ATHS convention in May 2012.

Thanks for the reply, Superdog. I was told it was a '64 but want a bit more info on it. Gregg

Don't forget the F's ! ! ! My F 607T is a 1963. I have yet to see an older one still on the road. First year for these was 1962. Gregg

The best idea for truckers on the road is the can of wasp spray in the cab. Works well as a defense and won't attract undue attention from the authorities. Gregg

I have a B61 with no title and not much info about the truck. If anyone could determine the model year based on the VIN number I would greatly appreciate it. I have a buyer for the truck and would like to get a title for it The VIN number is B61 LST 47967. Thank you in advance for any help on this. Gregg

Maybe so an F-250, but it is already pre-loaded on the rear axle with an abundance of bumper stickers. Gregg

Sweet Polly Purebred has promised to help lift the engine out of the F607 today. We will see how it goes. A very important job will be to take pictures to post here for all to see. I have been teaching 10-year-old Maggie to operate the boom controls, she is a natural for things like that. Probably from all the practice on her Wii and Playstation. Gregg

Good luck, hopefully you dodged a bullet and no damage was done inside. Gregg

Looks really nice especially for upstate NY. I would like a closer look at this truck but there doesn't appear to be any rust or rot in the cab and roof. Looks to be in service recently not sitting around too long. Gregg

Welcome to the Forums, Denny. Are you trying to say that Mack/Volvo warranty claims are keeping you too busy? I have a 1963 F model with engine trouble. I want to inquire if it is still under warranty. Gregg

I like the idea of instant oil pressure upon starting, as well. As you may know, I recently spun a main bearing in my 673P. I am getting it fixed, but have not really determined a definitive cause for the failure. When things break and parts fail, I like to know why and figure out how to prevent it from happening again. Gregg

Sounds like a deal in the making... You may need to help transfer the load to the other trailer, though! No telling what other treasures you may find inside a 50 year old storage trailer! Good luck! Gregg

Best keep an eye on the F-150 springs... That pachyderm appears to be full grown and exceeding the half-ton weight limit. Gregg

One and the same. Check out WHEELS OF TIME magazine from the American Truck Historical Society Volume 32, no.2 March/April 2011 for a great feature on Brown trucks and trailers and Associated Transport. Gregg

Finally a flatbedder that PICKS UP hooks ! Most just leave their broken bungees for me to run over. Gregg