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Was just googling again and eeeerrrrrr! Hate that I can't find answers. Finding school buses with AT545's. I'm thinking the 3126E models, not B models use the MD3060's. Maybe someone on here has a M1083A1 with a B model Cat, 70 pin ECM. Wondering how the MD3060 would hook up to the 70 pin ECM on...

Was looking at the wiring schematic for 7AS prefix, CAT 3126B. It only shows hook ups for a AT,MT and HT Allison trans. This is a 70 pin ECM. Can the newer Allison MD3060 be connected.

Is this 6.5 mpg you speak of, is that running the stock 11 inch tires.

DT360 is same length as DT466. Think jeepsinker stated it's a little bit big.

Don't hate on the Kitty's!!

Called and told them the size of the Pistons and they said size isn't a problem. $50 per piston.

EMBEE.

I know they made 400HP smallcams. Would anyone know what the timing was on those? If it's up in the 60-70's wouldn't the cam fit the NHC 250? If so installing the tri tech 14.1 or 14.5 piston would work???? Of course one would send the Pistons out to EMBEE coatings, to thermally coat the tops...

Was looking at 14:1 comp. ratio pistons and they were the "newer" Tri Tech pistons for a Big Cam. Looking at my manuals for the NHC 250 and B.C.400, they have the same measurements. Can they be used in any motor? Can a B.C. piston be used in a small cam, and vise versa?

The older 8.3 has the MW Bosch pump right? Can the p pump off the newer ones bolt right on? Or do you need a kit like the 5.9's.

So avoid these next unless it's a Unicure re mold?

So I started a thread yesterday about running bigger duals on a 5 ton and a member said the 14.00R20 XL's are known for catastrophic random failure. Has any one heard of this? Has anyone ever had any such catastrophic failures with any tire? Goodyear or michelin? The only issue I've ever heard...

No electronics

Nice find. So only the 14" XL are the only tire known for catastrophic failure? So it seems safer and better to keep running the 16" XZL's...?

Also, if the 14's are to wide, would the michilen XZL in 13:00R20's be a better choice or are they same in width? Thanks

Lost on you post/statement saying... Put you over width. Meaning they stick out to far. So not road legal? Or it's a tight squeeze.

That is the look! And there 14's... Do you know the model or type? They look like XML's.

But hate to lose ground clearance. I've found that the goodyear 12:00R20's will fit and not rub. Does anyone make a larger say 13-14 inch that is skinny enough so they don't rub? Checked the forums but everything is about super signles or G177's.

Looking at tire options for winter. I would like to go back to duals for look but hat