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Old 05-18-2006, 05:11 PM   #1
dondiesel444
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any way to turn up a 3406c?

I know they are partially electronic...any way to get more power out of them?
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Old 05-19-2006, 01:58 PM   #2
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"Partially Electronic"?

Either they are electronic, or they are not, yes even the "C" models.

If it has "PEEK" (the electronic pump), then you can have it bumped up in the computer, but having never done this on a CAT PEEK engine, I cannot say what the options are.

I would think that your local CAT distributor would be your best source of information.
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Old 05-20-2006, 12:14 AM   #3
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there is a Cat dealer not too far away, I just don't know how they'd like the idea of turning up the power on a truck, they JUST started working on trucks, they have been an equipment dealer for many years.

I thought the C's were kind of a weird breed b/c they had some electronic parts and some mechanical, not all electronic like a E
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Old 05-20-2006, 03:10 AM   #4
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my f-650 has a cat engine in it. you can bump it to max output the the puter will still only let it rev to 2640 rpm. Thats it, nothing more. and believe me it sucks for sure with 4-88 gears. 58 mph is all i can get out of her.
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Old 05-20-2006, 02:17 PM   #5
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Old 05-21-2006, 06:33 PM   #6
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wow thanks for all that info!! I didn't examine the pump too long when I looked at the truck, but I did take a quick look at it and looked very similar to the pump on my current 3406b. next time I looka t the truck I will check it out better nad try and let you know what system it really is. so if it is mechanical can it be turned up just like a 3406b?? and if it has the PEEC system, is that what a 3406e uses??
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Old 05-22-2006, 04:45 AM   #7
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Old 05-23-2006, 01:07 AM   #8
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wow that's some great info. I've read it a few times and I need to read it a few more to really understand it though. so this works for a C motor as well as a B, as long as the C doesn't have PEEK? I have turned the 2 allen head screws behind the small cover on the back of the pump on my B, I felt a little increase and power but nothing major. the real reason I am asking about turning up a C motor is b/c the truck in particular I am looking as is a 350 hp C, and my current B is 425 and I am worried the new truck won't have enough power for me. ok let me go read that again....
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Old 05-23-2006, 01:26 AM   #9
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ynot,

That's some incredibly valuable information. Thanks for giving it up.

VERY cool!!!:Thumbup:
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Old 05-23-2006, 02:40 AM   #10
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