I spoke with a International Engineer... - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 42 (permalink) Old 01-03-2008, 01:37 PM Thread Starter
 
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I spoke with a International Engineer...

I live right down the street from the International HQ's so from the first day I purchased this truck I had International employees checking it out when at the adjacent gas station.
One of my good Friends works for International at the R&D plant who is very familiar with the 6.4. Over a few beers I asked him about what to watch out for when I start hot rodding the truck. To my suprise he told me take off those turbos before I do anything serious. He said those turbos are not designed for anything over 400hp; he guarantees a turbo failure at the 500hp range, sooner or later.
On the good side he said the internals are night and day better than the 6.0l. He also said even though there are only 10 head studs, they will never cause problems like the 6.0l and are massive in comparision.
He is going to hook me up with a 500+pg. book on the maxxforce 7(top secret) with all the wiring diagrams and motor break downs.:Thumbup:


Then the girls showed up and all diesel discussions cease.:tango
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post #2 of 42 (permalink) Old 01-03-2008, 08:38 PM
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Awesome info !!! keep us posted tell him I'll buy him a case of beer if he hooks us up with some power combos !
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post #3 of 42 (permalink) Old 01-03-2008, 09:16 PM
 
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Awesome info !!! keep us posted tell him I'll buy him a case of beer if he hooks us up with some power combos !
yea me too!
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post #4 of 42 (permalink) Old 01-03-2008, 09:57 PM
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post #5 of 42 (permalink) Old 01-04-2008, 12:49 AM
 
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wow that is shocking that the twins only will hold 400hp..
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post #6 of 42 (permalink) Old 01-04-2008, 03:29 AM
 
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My turbos have no problem with the SCT Extreme setting. ive seen 1700 EGT more than once.
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post #7 of 42 (permalink) Old 01-04-2008, 06:21 AM
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post #8 of 42 (permalink) Old 01-04-2008, 12:43 PM Thread Starter
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I was told the turbo impellers are much smaller and very light compared to the 6.0l. They were designed to spool up very quick and make lots of TQ. But they won't help you make high HP, and will cause problems when doing injectors or lots of fuel. But he said don't be scared to add more boost because theres no way the heads will lift.:

He mentioned he has the ability to take my pcm and refash to turn off regen, more fuel, more boost, and so on but he would lose his job if he's caught.


1700* sounds real high.... My buddy mentioned when their testing motors around + 1300* the manifolds are starting to glow bright red. It will light up a pitch black room.
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post #9 of 42 (permalink) Old 01-04-2008, 01:12 PM
 
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Ask him if the PCM has a recorder or can we clear codes just like the 6.0L?

Great post!
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post #10 of 42 (permalink) Old 01-04-2008, 01:32 PM
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What is the norm EGT temp during towing? 1300 was easily achieved on the 6.0L in stock form.
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