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Old 03-17-2016, 02:50 PM   #5 (permalink)
jray3
Karmann Eclectric
 
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Join Date: Feb 2010
Location: Graham, WA
Posts: 165

Odysseus - '00 Honda Odyssey

MR BEAN - '12 Mitsubishi i-MiEV SE

Karmann Eclectric - '71 VW Karmann Ghia Electric Conversion

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Steamrollin

With all the idiots 'rollin coal' around my neck of the woods in their absurd trucks, I'd like to reciprocate with an enhancement to my sensible, stock-height grandpa truck ('87 F250 IDI 6.9 Liter).

Anybody explored water injection into the exhaust for brief but billowing clouds of steam? I'm thinking that sure, it'd increase back pressure and actually hurt performance during use, but not enough to damage anything if done judiciously.

Initial idea is to weld in a bung to the steel downpipe after the exhaust manifold, keeping the manifold nice n hot and avoiding any thermal shock to the cast iron, using a water/methanol injection nozzle and pump on a momentary switch.

Having a valve and controller to use water injection for economy or occasional steamrollin would be even more fun.
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2012 Mitsubishi i-MiEV, 112 MPGe
2000 Honda Odyssey
1987 F250 Diesel, 6.9L IDI, goes on anything greasy
1983 Grumman Kurbwatt, 170 kW "Gone Postal" twin
1983 Mazda RX-7 electric, 48 kW car show cruiser
1971 VW Karmann Ghia electric, 300 kW tire-smoker
1965 VW Karmann Ghia cabriolet, 1600cc
Have driven over 100,000 all-electric miles!
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