Re: 3406 Cat Crank

Posted by The tractor vet on January 18, 2021 at 10:41:29 from (104.179.81.68):

In Reply to: Re: 3406 Cat Crank posted by Vito on January 17, 2021 at 14:20:21:

What all i did , some head work with all valves Stelite some port work , a matched set of what was called SIX shooter injectors. Pulsar Exhaust manifold , Custom built turbo , pump work with a drilled throttle shaft and spring changes inside , four shims to bring RPM up from 2150 run out to 2475 run out , v 12 gear pump , from the 3/4 inch to the 1 and 1/8th a slight change in cam timing and a balance job . All this work was done a little at a time . This all started after i took mine up to Cummins for two reasons First was the oil problem . My buddy and i had two 4300's both bought from the same dealer on the same Thursday evening , Both trucks were Built the same except color , same engines , same transmissions same tires same rear ends just color , both were a blues with several colors and striping . The deal on the pair was THOUSANDS under everybody , BUT we had to do our own install of the fifth wheels wet lines and fenders . NOT a big deal with us and the dealer let us use his Frame drill the pieces and parts for this was in the price of the trucks . Straight out the gate my buddy's truck ran better then mine . Till i took it up to Cummins to be put in service and tell them that mine was eating oil His was not . The service manager and his brother who was a mechanic were friends of mine . I asked Bobby if he could get me a WEEEEEE bit more go power and Bobby told Chucky to TWEAK it a bit so he did and to check his work they put it on the dyno and even after the Tweak she was not getting the job done and found a problem in the pump so the pump came off and back into the pump room it went and the problem was found a taken care of along with a unmentioned ft spring change . Well now my truck was way faster and more pull power then my buddy's and the BATTLE WAS ON . Then Mike took his up and his ran better then mine again . Mine had to go up and have the sleeves and pistons changed due to the oil problem , Mikes engine never had that problem and once again Chucky did the work and a wee bit more , and when i got it back the next morning Mike and i went on our gravy haul that started off with a load of fire clay to a pipe plant then down to Zoar for two to three loads of shale to the pipe plant . We did not haul light most of our loads were in the 40-45 ton range and we live in hill country . On the shale haul were run up and down I 77 getting on one mile north of the scales and at the bottom of the long hill You had one mile to get rolling before the big hill . Every Thursday like clock work the portable scales would be setting in the cross over at the bottom of the big hill and watching for someone dragging the hill . We never were dragging on the hill Mike and i would be Passing every thing all the way up and over . In there eyes LITTLE trucks don't go fast and little trucks going fast up a hill are NOT hauling heavy . Our trucks had one STOCK pipe with Muffler up the right side , No dual seven inch straight pipes with no mufflers just two sharp little trucks pulling a tandem 30 foot box dump trailer that were always clean and shinny , no extra chicken lights . Mike and i got both trucks running almost even but i did have about two or three MPH more on the top end . This went on for over a year till one day we got split up i had to go west and he went east , when we got back together he cleaned my clock not by just a little but by a bunch like a whole gear more and the battle was on once again . till he told me about the HOT DOG shop and what was across the street . Bobby and Chucky were good BUT Bruce was better and the devil made me do it . When done picture a Hemi Road Runner pulling a 16 foot fiberglass boat behind it . There are a few people still alive that remember those two I H 4300's , my Buddy SID got to run the truck for a week when we had our fist daughter . He had fun , Big ZEK who last i knew works for R&J trucking Capt. Crunch also worked for R&J Mountain Climber and again worked for R & J . Then we come to Frank Rodgers AKA HOG HEAD ain't seen him in god forty years Don't think he will ever forget those two 4300's and all the money he spent tryen to out run us . First it was when he had the 8V 92 475's in 4300 I H's and The first afternoon at the salt mine, As we called them the river rat crew did not know how to get out of the mine and back up on I 77 so Mike and i lead the way out down to I 480 . We told them to TRy and keep up . Well we got them onto 480 and Mike and i layed the coal to them and were gone . We all were going to St. clairsville Mike and i never saw them again till we were coming back empty for the house till Mingo Jct on Rt 7 . Hog Head was ticked NOBODY runs away from his trucks . We heard that when they dumper the whole crew spent the night at Western Branch diesel getting them worked on . Two day later back at the salt mine once again we run into Hog Head and company nad we are all going to west fifth st. Columbus salt shed . Once again Mike and i lead Hog head and Company out of the salt mine down W 25 th st. in Cleveland onto I 71 and down past the turn pike and the BIG long hill that will suck the life out of some of the best . Once again we were gone donw dump and coming back as they were just going by the Delaware exit still south bound . Next time round Frank had a brand new Freightliner with the 3408 Cat turned up Big truck with a twin stick 6 and 4 and once again that one was nothing more then a light snack . Even the KTA 600's turned up 20% were not a problem . Now for the down side of the fun , She ate head gskt's and head bolts , usually you would start to see seepage and for a buck and a half the problem was cured about 55-65000 miles along with about four to five hours of work once you get the short cuts down and it was time to run the overheads anyway. She ran for just shy of 400000 when she ate a piston and limped it home and in three and a half days and for under 2500 bucks she was back up and running . At least back then ya did not need twenty grand in tools and electronic to work on them , a jake brake socket , a valve wrench , a fuel pum and compressor wrench , and inch pound torque wrench a 1/2 inch torque wrench and a 3/4 torque wrench and the dial indicators for the cam timing and if you wanted to be fancy the set to set the injectors everything else could come from Sears . But the big thing about back in the day is god we had FUN and truck drivers could really DRIVE . If i was to do this all over would i have changed anything Yep , (1) i would have gone longer wheel base (2) Sleeper would have been a walk in (3) gear ratio would not have been 4.33 but 3.90 . as i had never really planned on going out on the road and just running with in W. Pa ,W Va. Oh. maybe a little Mich. NOT 27 states and being out there all week . Yea i can rattle on as you can probably tell i am BOARD , This bug thing is getting me down . And would be the last thing i need to get so i am Holed up . And with the county numbers going up and up each day with no let up . Lost my Dad last year and pretty sure it was from the bug as he was the first at that nursing home to die and they started dropping like flys days after . So now going out has become a walk in a Mine field on a dark night

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