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Old 09-18-2013, 09:34 PM   #1
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power chip question!

anyone out there know if the power chips work? I've seen them for a few hundred dollars and they claim an increase in mileage of 10%. Plus increase in h.p. Mine is 1999 discovery 36', with 275 horse Cummins/ Allison 6 speed. Any help is greatly appreciated! Thanks, Gary
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Old 09-18-2013, 09:42 PM   #2
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We also had a 99 36T, 11 to 13 MPG was tough to give up. What mileage are you expecting? 10% is still just over 1 MPG. You'll get more power, but I wouldn't expect miracle mileage. Do yourself a big favor and stay away from the Banks systems. The power chips reflashes the ECM with new settings.
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Old 09-19-2013, 07:56 AM   #3
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Power chips work however not always the way you expect or the way you want.. They fall into categories.

Ultra Power and Banks will improve performance and MAY give you a SLIGHT increase in MPG.. Ultra power may actually pay for itself if the price of fuel keeps going up and you keep the motor home long enough. Banks,, I don't think so.

Others are a mixed bag.. I drive a Gasser. 8.1L Vortec.. I am told I can chip that puppy up to 500 HP if I wish.. However the cooling system can not handle that (That is for marine use only) so if I chip it up there I'll blow the engine.

And that is a problem.. Some chips work well, some damage the engine, some disable your ABS brakes, some cause other problems... The basic recommendation is to pick from the two I named above, they are Known to not damage the engine and if you have engine damage.. They have a proven history of taking care of you.
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Old 09-19-2013, 06:27 PM   #4
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my campground neighbor and I were comparing diesel pickups. He had a 6 year old ford power stroke. He was talking about his new engine and I was suprised that he had to have a new engine so quickly. He admitted that he had it chipped and on a trip back he was in a hurry and blew his engine up.
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Old 09-19-2013, 08:37 PM   #5
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Chips

I have a 99 Super Duty, towed a 15k 5th wheel for many years, with a chip and banks exhaust. I kept it in tow mode, never even tried the 2 other settings. I installed an exhaust temp gauge, and never saw temps near the limits.

Milage gain was 1.5 to 2 mpg almost consistently when towing. Running empty I often got over 20 mpg, and on one trip got 22.5. Most I ever saw before the chip was 18 mpg.

That was all nice, however the performance gain was great. On all but the biggest hills I towed in OD. Much easier on the truck, and that is primarily where the mileage came from. Much easier on me, a much more pleasant drive.

To me, it is important to not make jack rabbit starts, not pound it up the hills, and keep the speed below 70, 60-65 worked great. Use the power for evil, and you eventualy will break something.

My truck is all original, engine, transmission etc never repaired. It has well over 60k towing miles, 117k total.


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Old 09-20-2013, 07:07 AM   #6
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Chips alone will almost never give you better fuel economy. They make more power by adding more fuel. Free flow exhaust and intake will help more with MPG as well as give more power. So work on helping your engine breath easier first.
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Old 09-20-2013, 10:32 PM   #7
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Quote:
Originally Posted by rssnape View Post
Chips alone will almost never give you better fuel economy. They make more power by adding more fuel. Free flow exhaust and intake will help more with MPG as well as give more power. So work on helping your engine breath easier first.
More fuel equals more heat. You need to ensure that your cooling system, can dissipate the added heat
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Old 09-21-2013, 12:03 PM   #8
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Quote:
Originally Posted by dons2346 View Post
More fuel equals more heat. You need to ensure that your cooling system, can dissipate the added heat
Agree...and that your transmission can handle the extra power.
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