whats better propane or watermeth - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 02-05-2008, 07:58 PM Thread Starter
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whats better propane or watermeth

hey guys im looking for just a little more power and heard good things about both of these items just curios about somebody running either let me know
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post #2 of 5 (permalink) Old 02-09-2008, 01:45 AM
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IMO, neither is good for a Dmax. Buy a decent tuner like a Predator, Quad or PPE and just run a mild tow-tune.
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post #3 of 5 (permalink) Old 02-11-2008, 08:14 PM Thread Starter
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thanks for the reply but i got a lil impatient this past weekend and took my buddys propane and put it on my 2002 dmax with his quadzilla 215hp oh my gah it was like two motors it felt like but that was a one time run until the soon to be tranny up grade what all would you suggest doing to my truck, oh yeah and the ppe boost valve a 7lb miracle
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post #4 of 5 (permalink) Old 04-14-2008, 01:00 AM
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Ive tried hydrogenperoxide it works a lot better.!!
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post #5 of 5 (permalink) Old 04-14-2008, 01:12 PM
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better go easy. As you approach 450-500 HP, I would not use the timing tables supplied with a box tuner.

Just based on some tuning common sense, and duramax head strength.

The best answer is, don't do it, unless you have a way to monitor cylinder pressure. If you must, put it pre-compressor, to maximize the cooling benefits.

Vehicle Systems Engineer/Professional Tuner
04.5 GMC 2500HD SRW LLY


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