Water methanol kit on dd
10-13-2021, 11:17 AM
#1
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Water methanol kit on dd
How long should a 1gallon tank last for daily driver? Im about to install 2.9l whipple and wondering if a water meth kit would be cost effect to quickly add before tuning to boost power and lower temps. Truck is already cammed ported heads with long tube headers
10-13-2021, 11:49 AM
#2
to be honest, meth (especially partial-meth solutions) ain't really that good on a PD blower unless you spray it inside the plenum (after the rotors) with a direct-port setup, which has been done a few times.
this is because you'd be cooling the air charge in the intake tube & then heating it right back up through compression in the blower.
additionally, stuff short of pure methanol runs a higher likelihood of not fully atomizing before hitting the rotors & therefore will be trying to compress liquid droplets. this creates additional wear on the rotor coating and eventually the lobes themselves - which will reduce the effectiveness of the compressor because air will start to leak through. that's why meth installations void most PD blowers' warrantees.
this is because you'd be cooling the air charge in the intake tube & then heating it right back up through compression in the blower.
additionally, stuff short of pure methanol runs a higher likelihood of not fully atomizing before hitting the rotors & therefore will be trying to compress liquid droplets. this creates additional wear on the rotor coating and eventually the lobes themselves - which will reduce the effectiveness of the compressor because air will start to leak through. that's why meth installations void most PD blowers' warrantees.
10-13-2021, 02:40 PM
#3
I agree with Zebra, Post blower would be better but pretty expensive.
To answer your original question it depends on the nozzle size and how you setup the progressive activation.
I had 3 gallons on my turbo truck years ago and it would last several thousand miles with empty truck Daily driving but while towing 12,000# it would only last about 500-600 miles with 42 LB/HR worth of nozzles and it was activated at 3 psi at 10% Duty Cycle and 100% duty cycle at 15psi.
I could daily it and never get in boost. But while towing with the cruise control it would stay in boost for a very long time if it was hilly.
To answer your original question it depends on the nozzle size and how you setup the progressive activation.
I had 3 gallons on my turbo truck years ago and it would last several thousand miles with empty truck Daily driving but while towing 12,000# it would only last about 500-600 miles with 42 LB/HR worth of nozzles and it was activated at 3 psi at 10% Duty Cycle and 100% duty cycle at 15psi.
I could daily it and never get in boost. But while towing with the cruise control it would stay in boost for a very long time if it was hilly.
10-14-2021, 05:32 AM
#4
TECH Fanatic
I've been thinking of meth for my new build which is a DD as well so I'm watching this one.
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arthursc2 (10-14-2021)
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dantheman1540 (10-14-2021)
10-14-2021, 10:22 AM
#6
TECH Junkie
If it's your DI truck don't do it.
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arthursc2 (10-16-2021)
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10-16-2021, 02:06 PM
#8
TECH Fanatic
It's the LS, my 16 is a diesel so meth for it. Lol...
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