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Your M818 originally had each tank plumbed independently of each other .. The original selector valve on the floor is/was a 6-port which returns fuel to the same tank it's drawing from .. Yeah, the PO messed your truck up .. If yours still has the selector valve and lines going to it, yeah the...

thanks .. IIRC, most of the TM's on the old external harddrive I had forgotten about are from the SS library about 5 or 6 years ago, and other sources .. I'm all set just as long as i don't stuff the harddrive in a box and forget i have it !! :D

update: decided to replace the seals while in there and last night i remembered i have a bunch of pdf TM's on an old forgotten external hard drive for the other computer .. On it was a dash-20P that was 35 years newer than my bound version.. The newer TM clearly shows the new-style slotted...

I trust your judgement , thank you .. And I should listen to that pesky engineer on my right shoulder more often :sneaky: I hear it's been decent there in NC, ,, so my oldest son in Raleigh says and his mom in Charlotte .. After a false start into spring and then the considerable plowable...

Now to pester you with another question: Since the old vanes had brass pins and the new ones do not, is there supposed to be a spring or something underneath the new-style vanes to keep them tight against the outer casing? OR , does the initial centrifugal force and subsequent pressure being...

wow... I'm sure glad the engineer sitting on one shoulder talked me into thinking there may have been some scientific reason for the slots.. The old ones did not have any thus I would've chosen the solid face to be pressure side.. The devil on the other shoulder kept yelling "Get it done...

I was hoping I wouldn't have to do something that simple .. It would make me invest in an eyedropper and ruin my reputation as a tightwad ! 😄

while we're on this topic, how does one determine which DOT number is already in a truck? I don't notice any difference in color, smell, or texture , but that could be just my age .. No I'm not gonna taste it or put my ear to it ! :p On one of my gov't-direct trucks without "silicone only"...

I had two M49C's but sold the tank off one of them thus I no longer have another pump to look at.. My TM doesn't show enough detail.. The pump is made by Jackson and has differently-designed vanes than the superceded replacement, the latter made for the newer Blackmer-built version .. The old...

it appears you're transitioning away from the OEM rims and 900x16 tires .. Don't forget to check the clearance the inner dish of the replacement rims have on tie rod ends etcetera, especially at the extremes of left-turn and right-turn. How much ground clearance are you gonna lose?

it's been waaaaay too long since I've seen one and only then it was sitting in a corner of a boneyard up at Bde Maint .. Having been "made" a POL specialist at the time, I recall looking it over with curiosity but I don't recall every detail of the thing .. I wouldn't be surprised if it had the...

yep i figured it was .. the comment was intended to indirectly address the silly online compressed gasses info that was found , since there may be some out there who would take your comment and the online info seriously :D

not for compressed gasses, especially not with that style fuel nozzle in the storage box... They were designed to be filled with a pump and two hoses, one hose for venting air/fumes back to the fuel source .. Dispensing can be done (to some extent) via gravity , but a pump does best

other than what's already been mentioned in this string,, how about a slight leak from the bleeder valve or its threads?

as a selling point, if your truck has a mack in it , that's a sweeter more-powerful/valuable/desireable engine than the multifuel, hands down.. a quick spotting feature is the mack's turbo sits above the manifold ... A multifuel has a turbo below the manifold. .. Also, what's with the air...

others here are correct, the PTO is an industry-standard SAE.. Your tranny is a basic spicer design with one minor variation (air shift poppets).. The common-most spicers of your design (without poppets) were put in civilian trucks of the 1950's to early-80's, often driving an eaton 2-speed...

the 673's don't lope (except a little in very cold weather at first startup) .. They run smooth and powerful (and make beautiful music).. the 1st place to inspect is your entire fuel system, including age of fuel .. Will Wagner is correct, a laser thermo will help determine which cylinder(s)...

ON-road, i have carried/dumped 12-14T of material using about 1/3rd throttle to dump, with no issues other than we have to keep an eye on the sheet welds and condition of the metal (if any rot) along the bedsheet above the hinges... The beds themselves are the weak point on these 6x6 trucks, a...

as well as the tailgaters ;)

"no" to all of the above ... it was just another Blow to the day's progress although it hadn't started with a Bang ! :LOL: