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Maddog13407

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Posts posted by Maddog13407

  1. you take take the head and intake and exhaust all off at once and set it on the floor. then clean and put new gaskets on the deck. id use new studs if they are available. adjusting the valves isnt that hard either and it will probably run better after. my END707 skipped when we got it but was a recent rebuild. then the back head gasket started leaking, pulled the heads one by one, replaced the gasket and found a push rod was bent. readjusted the valves and it ran 100% better than before. mine has the maxidyne thin head gaskets on it with the fire rings tho, not the old style copper gaskets like most of the 673's and older 711's.

  2. ok so heres a question. what should the color and number be on the 300+? mine looks to have been rebuilt one time with a 237 block? cause the number on the timing cover says ENDTB675 but the metal stamped tag on the side behind the pump says ETAZ673T ?. never paid much attention as ive only been around 673's and 237's so i dont know what the block stamping number should be on the front. didnt know if they are all stamped as 675 blocks? the bell housin and block look to have been gold at one time and painted over with black and i know the engine was a fresh rebuilt before they scrapped the truck. usually rebuilders paint everything black or machinery gray.

  3. think that red R model is one of Tackaberry's truck Vinny. think he had it out to Springfield and Macungie. i remember the stretched out camelbacks. i thought to moonfire truck probably had a endt673B or C in it. on another note, anyone know what happened to the Moonfire Mack? think it might have needed the quadbox in it after filming was done or at least take the plug out of the passenger side of the case and clean the teeth out of the rockbox. the FL700 in the movie also had a quadbox in it and had a 6 cylinder Mack with chrome valve covers

  4. the RS612LST52368 i got my 300+ and 10 speed RR out of had the 2 stage air cleaner. i believe the truck was a 1980 and a western. had the ridge down the center of the hood like some of the late R700's had. somone hacked it off and made it a single axle with a pete rear end. the guy drove the whole truck to the junkyyard and got a whole $1800 for it.the cab was shot. we bought the engine and tranny out of it for a grand. come to find out it was a fresh rebuilt 300+. we put it in a 66 R600. had to make mounts for the transmission and use to old R600 radiator as the one out of the R612 was the long western radiator and had different mounts and spring hangers. i would like to put a single outlet air cleaner on it and a hood scoop as the big 2 stage air cleaner just doesnt look right on the cab to me. i like the looks of the old school small oil bath 1966 air cleaner but i assume the 300+ would suck the oil right out of the air cleaner pan so im up in the air about the hood scoop/air cleaner decision.

  5. was a white R model with a blue frame and an exhaust unloader on the stack i assume for offloadin concrete? at Macungie last year. cant find a pic of it now tho. wish i had an underhood pic as i wanna put a hood scoop on the R model im buildin with a 300+. i have the scoop and ductwork, just dunno where to bolt it as my truck is a 66 and the truck it came off of i assume was a 78 or so , so the radiator was bigger. mine has the smaller b model sized radiator so id like a pic so i ana make a mount for the under hood filter and ductwork.

  6. neighbor of ours had two 70's R600's one had a 237 and 10 speed and the other had the hood scoop, a 300+ with hood scoop and a 10 speed and air starter. i remember that truck growin up. they both got beat to shit and never taken care of. eventually the one with the 300+ got sold when they went out of business and the engine got put in a DM with the cheap dual inlet air cleaner and not the badass hood scoop.

  7. i dont know,i know a few 237 and 18 speed quadboxes driving around and they seem to work fine as long as your not hot rodding it. if you beat it enough the 237 with smoke the clutch. if you found a double disk clutch 18 speed quadbox i think youd be happy. the 237 doesnt have the bigger torque like a 300 plus or 350. the quads and triplexes wont hold up behind those. you will end up splittin 5th gear and most likely busting the case with a little bit of lugging. i know they made TRQ77 series quadboxes that were 20 speed direct and i know i have seen a TRQ72 series that was direct in 5th before.

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