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About wrenching4life

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    Truck Nut

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  1. E9 head gasket failure after 2500 miles?

    Well I was finally able to get back on this problem and I can finally confirm the tick noise is the #8 injector. I moved the injector to #4 (opposite side of motor) and sure enough the noise traveled with it. So I pulled the injector and got ahold of Columbus Diesel and they said they would take a look at it, sent it to them they pop checked,tested, and cleaned it. They said nothing was wrong it functions normal, but they did say the spray pattern did seem a little odd. They didn't have another one of my injectors to compare to so they sent it back to me. Re installed and sure enough it still ticks and still misses and shakes the whole truck under very heavy load. All I know is if I watch my burn mirror every time it seems to fire odd a much darker puff of smoke comes out of the stack. I'm lost here other than buying another injector is there anything else to check? Any other thoughts? Thanks all!
  2. E9 head gasket failure after 2500 miles?

    So I'm thinking because I cracked that injector and the tick stopped. There is obviously still compression, an if it was a fire ring problem wouldn't it still make the tick noise? So does that mean it's an injector pump or injector failure/ problem? Just trying to figure out what is the next step in diagnosis
  3. E9 head gasket failure after 2500 miles?

    Well the truck has been parked and have been busy doing other work, today I had a quick moment and I cracked the #8 injector at the injection pump and it killed that cyl and the ticking noise stopped, closed the line and it was back, so I tried #7 the cyl died when I cracked it but the tick was still there so I think the issue is without a doubt something wrong with #8
  4. E9 head gasket failure after 2500 miles?

    Is there a way to test the injectors without a machine to do it? Other than cracking the line at the pump,and trying to blow air through to see if it's stuck open? I'd like to pull the injectors out of that head and check them. And I'll get new injector install o rings and a nozzle seals for when I re install them, because I'm sure those will not be re-useable
  5. E9 head gasket failure after 2500 miles?

    If either of the injectors 7 or 8 we're stuck open they would be letting a lot more fuel enter the cylinder correct? Because there not shutting? And if that's the case it's very interesting that the truck is very "sooty" and the tick noise closely follows the injector pulse, i can feel the injection pulse in the line and it seems every pulse is a tick, could this be the compression coming back in the line?
  6. E9 head gasket failure after 2500 miles?

    Yea I totally understand that it's not going to fix itself, will a blown fire ring make a tick almost like an exhaust leak? And will it cause a high rpm, high load skip/miss? I think it would, and I'm kicking myself for not checking liner height. Now cracking injectors will that show up at an idle? cause at an idle it sounds and seems to run perfect other than the "tick" noise and I know for a fact that noise is coming from the 7-8 head
  7. E9 head gasket failure after 2500 miles?

    Well I was able to get ahold of Dale today, and he seems to think I blew out a fire ring or two. He wants me to retorque the heads all 4 of them and see what that does.
  8. E9 head gasket failure after 2500 miles?

    Yea the miss/skip is some what a violent shake of the truck, the harder you get into it the worse it is. At an idle you would never know there could be a problem other Than the "tick" noise on the #7+8 head I'll check the fuel return and see how all the heads differ
  9. E9 Exhaust manifold gaskets

    I had the same issue, soak them good like Carlotpilot said, all the joints and bolts. If you have no luck apply heat on the manifold where the bolt your working on is and carefully work back and forth, none of mine were seized in the head only in the manifold, I also cut a socket in half to get into those really tight places. The heat is what worked for me.
  10. E9 head gasket failure after 2500 miles?

    Well today I pulled that section of exhaust manifold and checked for issues, none found, re installed with new gaskets. Then checked valve lash I had one a bit tight and another a bit loose, I went and checked all the valves just to confirm that that was not an issue. All we're darn near perfect I cleaned the area around the head gasket so I can watch it. Also no pressure was in the radiator tank. Which last time when a head gasktet let go it had tons of pressure. the heads were not re-torqued dale said I didn't need to until 10000 miles he also told me to torque them at 230 ft lbs, strange iv heard three different torque values, all "dale told me..." i tried contacting him today about this problem, and per usual no call back. i never messed with the liners or counter bore, and to be honest I didn't check when I had it apart. it is odd that it's the same position on the motor as the original problem (pre top end refresh ),(2 broken head bolts) well after all of that today I finally re fired the truck and the noise is still there, is it possible to have cracked that head in the combustion chamber? anything else to check? It runs fine, seems to have a bad skip/ miss under heavy load now,idles fine just that ticking noise and also to add, this motor has dale Francis's oversized injection lines on it. This head was the one that I had to put a stock injection feed line in it temporary ( About a month/ 1000 miles) on, #8 the new oversized stainless line cracked at the base of a flair fitting on the injection pump. So dale told me it was fine to run a stock line on it till he could get me a replacement. It now has a new stainless line on it so now everything should fire when its supposed to. So between the valve adjustment, new exhaust gaskets, new injection line( that now matches the rest) Nothing changed except the heavy load skip/ miss seemed to get worse. I don't know what else to do, clearly somthing is wrong. all help greatly appreciated!
  11. E9 head gasket failure after 2500 miles?

    I see no soot on any manifold gasket areas, and didn't feel and "hot exhaust air " while running. And the exhaust manifolds were brand new Mack.
  12. Hey all just trying to rule out a possible head gasket failure, I recently completely rebuilt the whole top end, heads were done by Francis, I used factory Mack head gaskets, and ARP head bolts. Problem is today while hauling I began hearing a ticking noise, sounds like an exhaust leak but I can't find and or see any, no soot marks, and can't feel anything at all the joints while running. So that leads me to think it's either valve train or compression loss out of the head gasket. The noise"ticking" is only coming from the back head on the driver side, which is the one that blew a gasket originally, from two broken head bolts. Looking around the head gasket area on that one head it appears to be oil resedue where all the other heads are dry as can be no resedue at all. any thoughts, anything I should check, I plan on checking valves, is it possible to check for compression leakage around the base of the head? It rather not pull the head unless I'm certain I the gasket has failed. thanks all
  13. E9 boost pressure level

    The egt's are low loaded driving hard, and no matter what I can't get over 34 lbs. apparently that's all the steam she's got.
  14. E9 boost pressure level

    not sure on the pump, I gave Dale all the spec's and he said he would build all my components to match, he said i should be seeing around 45 lbs and 750 hp. all my gauges are Autometer, i have a boost gauge that goes to 60 lbs and i have a pyrometer that has yet under a hard load to get above 1100 degrees, i do keep a close eye on it. The pyro is post turbo in the 5" elbow off the turbo. The turbo is a MACK Australian Road Train Turbo 610hp turbo, its a 75mm
  15. E9 boost pressure level

    He was checkIng boost just holding it at 2100? Heck that's no way to check. I built a tool that clamps onto the turbo intake side (4") with a gauge- valve and a relief so I know exactly what Psi I'm at, and compare to the gauge on my dash, I put 30lbs to the whole motor And also did another test by isolating and just testing the intercooler. That's as high as I felt I needed to go. Perhaps I'll have to test again at a higher pressure but dead headed at 30 pounds was at the time all I dared to go. Heck if nothing showed a major leak by then id say I was good, I still must be missing something