OldRedMack
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Everything posted by OldRedMack
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Do you need a pto and a pump? Or just the pump? I would check out the chelsea/parker website, give them the numbers and tooth count of the tranny and they can get what you need.
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My guess would still be an intake/boost leak. I believe you should be making high 20 to mid 30 pounds of boost.
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Probably an axle. Probably one of the long side axles. We have had them brake clean and make no sound after the initial snap, and we have had them brake ruff and grind. Get a 5-6ft piece of threaded rod or a stick and tape some good magnets to the end, a cow magnet works really good. And put it down the axle tube into the housing and clean out all the metal pieces you can before putting the new axle back in.
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Can anyone decode this?
OldRedMack replied to Vac-Daddy's topic in Modern Mack Truck General Discussion
I have an 07 ai motor that's a 370. In the 5 years I've owned it, aside from it feeling like a turd power wise, but mack tech has a great post on here that can sort that out for you. My only problems have been a blown intake gasket and the cheap plastic coolant over flow tank cracked. In my view my truck has been very reliable, but we change oil at 8-10k miles maximum, with 2 gallons of Lucas oil in every oil change. And grease the whole truck every week. Some trucks are just crap from the factory, but most of the time "reliability" is based solely on how well you are willing to maintain and take care of the truck. -
We did this swap with our 94 300. We put in a fuller 9L, with the original 5.73 gears it would top out at 62mph at 2100rpm. We ran it that way for a few years, but we run tandem dumps and max gross in georgia is 64k, so we eventually put 4.64 rears in it. Turned the pump up a little and she runs like a 350. You need new tranny mounts, and driveshaft.
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Its definitely worth doing. Also, if it doesn't have a boost gauge and pyro, put them on it. Even if you dont do any upgrades, the kits are cheap enough and easy enough to install. I bought both of the from summit.
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Any updates? Did you go thru with it big red?
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My 07 is still stamped there.
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2004 Vision CX613 Engine Damage!
OldRedMack replied to MackDaddy85's topic in Modern Mack Truck General Discussion
Maybe I'm wrong, but listen to fjh!! Is it more believable that you ruined your engine in a few seconds, or that you sucked up trash and plugged 2 eups, and in the process loosened an intake pressure hose. -
Vanes in the turbo sticking?
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We have had an eecm take a crap on us out of the blue on 1 of our cat motors. The truck was running great, shut it off on a job site and it would not start. Spent 2 days trying everything under the sun to no avail. Finally got an eecm out of a wrecked truck and it fired right up.
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No start after oil/fuel filter change
OldRedMack replied to moore19ca's question in Mack Truck Q & A
I'm sure some people won't like my response, but get it running with starting fluid for 10-20 seconds and it should pull the fuel up. I've had to do it with my ami 370 after filter change. I did everything you've done and still had to spray it. Just be careful with the starting fluid, giving it just enough to run. -
Pressure check the intake. My guess would be an intake leak or turbo vanes stuck if it's a vgt turbo, but we have all gray motors no mp.
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I won't say that 1 is better than the other, but the glaring difference is the space in the cab. Unless they changed something, the last dm I was in, was an 80 something model.
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2003 mack E7 and allison auto
OldRedMack replied to niceguypmp3's topic in Modern Mack Truck General Discussion
Pressure check your intake for leaks, and put a boost gauge on it. A boost gauge is fairly inexpensive and easy enough to install, and will help you diagnose issues. -
$1500.00. On the turbo.
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Hopefully that is ledgible, all the injector numbers to get you whatever you need. Thanks to mackpro. Or mack tech, I can't remember which one I got them from, but they both have been a HUGE help to me and a lot of people on here.
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No, we have been so busy I haven't had time to take it to the dyno. But it's on the to do list.
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I have a ami370, put on an etech exhaust manifold, went to the 427/460 injectors from k&s thanks to mack tech and they were great to deal with, and had the local turbo shop build an s467 with a billet wheel. The truck makes 44psi of boost and runs like a monster, fun to drive now.
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What turbo do I need? AI 460. Etech 460
OldRedMack replied to blackmack460's topic in Engine and Transmission
The good fuel pressure doesn't mean that there is not a problem with an eup. I had a loader that was hard starting, replaced batteries, tried priming it, did everything I could think of, nothing helped. Then the starter went out, the bearing on the gear on the flywheel side was worn slap out. Causing it to bind and drag just enough to slow it down, but not enough to make an audible difference. Replaced the starter and it fires off fast now. We have never had that problem with a truck, but you never know. -
What turbo do I need? AI 460. Etech 460
OldRedMack replied to blackmack460's topic in Engine and Transmission
The 427 and 460 injectors are the same, no difference between them. With a miss and hard start makes me wander if it's an eup. -
What turbo do I need? AI 460. Etech 460
OldRedMack replied to blackmack460's topic in Engine and Transmission
You need to put an etech exhaust manifold on it with an s400. But, there are a lot of setups/options with the s400. Best thing is to find a good turbo shop and have them set it up for what you are trying to accomplish. -
I have been really happy with it, nothing like catching a cat powered pete or kw on a hill or at a red light and then running away from them as they look at you in bewilderment. One of these days I'm going to get it dynoed again and see what she is really doing.
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Mack tech has everything you need to know to make it run, in that post. I say that from experience.
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