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Try unpluging and repluging the fuel pump plug together half a dozen times if this makes the problem go away the problem is with the pins in that plug, have the pins replaced at the dealer!The pump will likly have to come off to be repaired other wise.

I agree with Glenn I have found that very few guys will phone and cancel an appointment !Somtimes I wish I could charge for missed appointments like the docs office, Its hard to plan around things when guys don't show!

News for ya!The GU won't Be here In 29 years!It will be in the scrap beside all the other throw away Trucks that are being built today! But having said that ,Yup remeber what ya hope for!Cause a Any RD CH or older truck Even a RS tandem tandem steer is easy compared to a GU count your self lucky.

If you have the engine turned up as high as you say you should be making way more boost check for boost leaks! The boost should be more in the 32 to 34 range with a juiced engine. also keep your air cleaner clean the engine will suck the elbow on the intake flat when pulling hard Once you got it running right! as for the fan test cut card bord to fit the rad cut a 4 inch hole in front of the fan hub and warm up to temp. Are the stats new? The over fuel combined with boost leaks can cause overheating!!! check that first as the engine is not putting out what it should!

The relay you hear clunking when the key is turned on is likely at fault replace that.

Try loosening the bolt on top turn the screw on the( end one) turn tighten the bolt and try it! ( Note )I beleive ya turn that one counter clock wise to increase!You can always put it back where it was if you don't get the results your after!

Glen Having said what you have said About the jake is all true! The dyna tard being a diftrent animal I have set the exhast a little tighter on them and had some good results acheiving better engine braking even three thou tight on the exhast provides better engine braking But you need to be mindfull of the rpms you DO not want to go into over speed AT ALL with the tight setting.

The jake does not work any better than a dynard on these engines .Comparing it to a more modern engine is not a fair comparison.As for the set what you experianced is normal for setting valves on a dynatard cam (loose valve lash 1 back).Your set is fine! I would not atempt tweaking the jake set any more than 1 or 2 thou tighter you could end up with bent valves.80 to 85 depending on turbo #nos is spec i beleive.

Every pump truck on the planet gets speced with a 9 speed and the wrong engine don't know why that is!We had a pump in the other day with a power complaint It came down to the fact it had a 9sp no selection to keep the thing in the power band! some one really needs to get there shit together when specing these! Another bitch I have with them is specing pumps with 24 type brake pots all the way around,The heaviest peice of equipment on the claim and we spec it with 24 brake chambers Not very bright.Ive seen this alot As far as I am concerned it should be illegal to have small chambers on anything speced for a pump rig heavy by design.

Go to the chat room!

head to the to chat room!

Stoped up with what!

I would block the egr before taking out the screen!

Its there for a reason!!!! Just replace it once in awhile.

I got two customers running with the plate. the one claims to be getting 40 bucks a day better fuel milage with egr code The other more power, but no milage gain as of yet with an egr code!Why you have no egr code is a real mistery as 68 mentioned before its real odd!Having said that the egr code took along time to come on with the one truck several hundred miles but it did show up.

i think they parted ways awhile back.

Huss has been a pain to get a hold of !I beleive we have found some one to supply Compeditive? duno? ! ?? Donalson has one and they are our filter supplier ,but KW was on the ball and got an exclusive contract so we can't buy there with out going to a KW dealer that puts us at a disadvantage price wise.A real rock and a hard place!I asked Barry a while back if he new of a supllier but Huss was the only one he new of and You guys down south haven't needed to retro fit yet! Guess we are the guinea pigs on this round.I hate this emmions shit with a passion it's cause the most unreliable peices of junk to be produced in along time. and now were going to screw up something that was once depenable with an add on. GREAT !

From what I can see of the picture theres a wire to the valve cover disconect that also it apears there is a wire at the fuel pump on the little square cover that is where the switch is located if it is there!I have see lash ajusters stick from time to time That as others have mentioned will cause a miss and white blu smoke!The solnoids under the valve covers can work loose and can cause oil preasure to bypass the solnoid orings and go directly to the engine brake gallery in the rocker shaftThis causes a three cylinder miss and smoke!

In some respects the laws are as strict, as I posted earlier this month the province has decided that any 89 to 93 unit has to have a dpf fitted to it as of october or you will not be able to licence it.

And re and re the cam to replace the cam key if you want to go to 460.I highly doubt they would have any say over a truck that old! If the truck was still under warrenty then yes there would be limitations!

Yet another Good call Herb! We actually been finally having deceant luck for the most part with the few that have been sold here! The Asset was away more touble for longer, when it came out!

Talk about baiting people on!!!!!!

Good call rhasler!

I cant speak for the bolt on ones!But! You can buy the mack style cartrage at Napa as well! Also not being an arse but the centramax was introduced on the 4 valve E6.The best thing since sliced bread for getting crap out of the oil ,in my opinion Iv'e seen em pluged solid with goo! Yet another good Idea thrown out the window by the Volvo people! If they didn't think of it its not a good idea! Its really to bad these guys didn't take a good look at what they inherited and examine the some of the good property's and ideas that were incorporated in it!