1965
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Posts posted by 1965
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The reason the engine changes it's "tune" during parked regeneration is the ECM changes the injection timing and rate to provide unburned fuel in the exhaust stream to help the regeneration process the EGR valve does not open during regeneration. What did you find awful about adjusting the exhaust valves, Volvo has used those shims for years and has just recently gone to screws on the MP-8 and D-13 engines.
I've never had a parked regen
Guess I shouldn't said awful; wasn't hard; just had to get shims & measure & all; when all others I've worked on had the adjusting screws like the intake; injector & brake rocker arms had; didn't mean to offend anyone; just saying if you don't have the $1000.00 shim kit or access to 1 it can be a hassle; individual shims are bout $5 bucks a pc.
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My mp10 likes to be ran to 1400rpm. It only see's 1800 when down shifting.
Curious have you had any injector or cup problems with the mp10; or is it just mp8 with the problem
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I saw these two wimmins in Winfall when I was coming home last night around 10:30, but I didn't have time to stop and chat.
That Winfall is a heck of a place; at 10:30 in MS it's dark
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Well after reading other post on here found that my truck needed injectors; so I finally did the r&r on injectors & cups; truck runs like a completely different truck; which it should for the price of injectors & tools for the job; wish someone could explain the exhaust valve clearance setting with the shims; seems awful; well I'll wait to see if there is a explanation; luckily found source to get the shims I needed to set them
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Liked all his work; Barney Miller show was a good one
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Switch might be making a ground instead of having power to it
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Just asking about this Beauty the other day!! Looks Great!!
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Those tools are expensive; I found a guy who has a shop & going to borrow them; but before I do this I took my truck to Mack to have them run all the tests the said they needed to do before knowing it was injector problem today & while waiting on my ride I went up in the truckers lounge upstairs with big picture windows looking over the shop; I watched a employee putting injector kit in a garbage truck he didn't waste anytime; cups were already out before I got to the (show) but didn't take but a second in each hole to clean with his battery gun; then he stuck cups in he did put something on sealing surface & sprayed lubricant on oring; put injector in & tightened with same battery gun & hit a lick with torque wrench; then put rockers on used same battery gun & torque wrench; must have come out with new update where no torque turn or degreeing or loosing off & redoing like I read; then installed valve cover & cranked; he forgot to fill it back up with anti-freeze so had to do that; then hooked computer to it for couple minutes; not long enough to put new calibrate codes in for injectors; & backed it outside
Guess you don't have to run overhead on this new update either;
Now I know for sure I'm going to do it myself;
Sorry for the rant but just had to tell it
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Can anyone tell the service Schedule on DPF on Mack Trucks
The 09 I had said 4000 hours; that would mean 08 thru 10; I believe my 12 says the same
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I can see BOB BROWN behind the wheel of the blue LTL. He did a nice job on that one
He has his dogs facing out on the mirrors
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That is bad that they can not look up the tool part numbers.
Yes it is but with the help from all of y'all I can get it done
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Y'all ever heard
Freightliner fever- Red Sovine
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The dealer can. We have ordered them for customers and for us. The tool part numbers are the same for Mack and Volvo and come from the warehouse.
Yes they can order them for me now that I have found the part #'s for them
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Not many of those big dyno's out this side of the country. Bet it would be some $$ to get one for a few hours to test and tune. Most (all) shops don't what someone messing up a big buck piece of equipment to play around with big HP. I don't blame them ether. Last dyno my truck was on was to small and quit reading at 1100HP, don't know it it hurt the dyno but they did not test it further.
If you got one in mind I will put it to work??
Just curious; there were couple places around memphis that had them; but didn't think about how things have changed over the years; insurance & all other you mentioned; have to be a buddy deal; thought you could get showing of full fuel before you had all hp to the ground with one; just to get timing reading not to see how much hp you have
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With higher rpm under load.Thats the way it should be checked but again it hard to stay under the hood going down the road.
Its not the rpm as much as how much the helix is turned on the plunger and that is only done by holding the load on it so the plunger goes into full fuel.
I my self would like to know how much advance comes into it in full fuel.
If you had access to a Chassis dyno could you do your tests
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From your local dealer. What cups are you installing? There are different tools for copper and stainless.
My local dealer couldn't
I got the part #'s from Watt's
88800457
88800460
Was hoping these were the 1's for the stainless steel conical cups
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Where can I buy the tool to put injector cups in my mp8; Thanks
Should have checked Watt's before asking; my dealer didn't know
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Where can I buy the tool to put injector cups in my mp8; Thanks
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SPN 1127 Intake Manifold Pressure
FMI 18 Data valid but below normal operating range
Basically low boost, its telling you something you already noticed.
I would want to know the fuel and boost pressure while road testing. These can be monitored with a laptop. If hesitation occurs and fuel pressure stays the same, but boost drops, it could be the injectors. If hesitation occurs while fuel pressure drops, its probably a fuel restriction.
No fuel, no boost.
Thanks
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SA 0
SPN 1127
FMI 18
Bought this truck & noticed it had hesitation in it in a hard pull; it has gotten worse; it will steady miss at certain RPM sometimes; had conversation on here & probably think injecters need replaced but been trying to get through this peak season to have checked out good & changed if needed; had to go by Mack on ATC issue & talked to mechanic about miss; we road tested & he asked had it had all updates; told him dealer where I bought it was suppose to check & do them; well he said they didn't so he did them; noticed truck did better; noticed it had bout 5 or so lbs more boost seemed to pull harder but still had the miss; he thought could have fuel pressure related; told me to take lines loose at ecm cooler & blow through & check for trash; did & all looked good; truck had just been serviced but I still r&r fuel filters again; ran good for almost whole day; then back to way it was; today it through these codes & I noticed boost pressure back down 5lbs or so
Any information would be greatly appreciated Thanks
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Just wondering has anyone heard or seen any updates on that F model build that OakleyTankLines was doing
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you need to find a different dealer that one is nuts
I agree!!
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Was at the Mack place today getting some stuff & ask them about a radio for my truck ( mine the CD player not working good) & figured another factory unit would be easy with just plugging it up; they said around $125 bucks but after they looked it up it was over $600; said it goes through the computer; it's just an am/fm/cd/weather radio; figured that kind of money it would have a lifetime satalite one; does this sound right? Has anyone put a different type in? Any suggestions; Thanks
Oh they said they had satalite radios but they were for older trucks; that doesn't make sense
Does the MP10 come in 2 versions?
in Modern Mack Truck General Discussion
Posted
Well I can say my mp8 does not use any oil; put close to 25000 on an oil change & didn't use any; I ran it longer than wanted to