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DIY Water/Meth kit

38456 Views 11 Replies 5 Participants Last post by  323flint
Thought I would throw a post together for the “do it yourselfer.”
Here is my DIY 2 stage Water/Methanol kit I put together for around $382.00

*If you just want a simple 1 stage kit this setup would cost about $280

Pump- (1) Shurflo 150-180PSI/1.5GPM purchased on “Ebay” from seller “Alcohol injection” $89.00
Water Tank- (1) Snyder Industries Horizontal Sprayer Tank 8 Gallon Capacity, Model# 10282 $59.99

Water Solenoids- (2) part # 7876K12 $41.24each

Filter- (1) 3/8” fuel filter “Autozone” $4.00

Hobbs Switch- (2) Picked up two of these at local automotive store. $30each

Brass fittings-

(9) 3/8” thread to 3/8” brass barb fittings

(2) 3/8” brass “T” fittings

(2) 1/8” brass 90* fittings

(2) 1/8” thread to 5/16” brass barb fittings

(1) 90* plastic 3/8” barb fitting for tank feed

Total- $40.00

Nozzles- $4.65each

I wasn't sure which nozzles to buy so I bought almost all of them to try different ones out.
(1)Part # 3178K61 [email protected] *This is my low boost​
(1)Part # 3178K62 [email protected]

(1)Part # 3178K75 [email protected]

(1)Part # 3178K76 [email protected] *This is my high boost

(1)Part # 3178K77 [email protected]
Total- $23.25

Hose- 3/8” ID 220PSI hose from LOWES $.55per/ft got about 20ft Total- $11.00
(1) Automotive relay SPST “Radioshack” Model: 275-001 Catalog #: 275-001 $6.00
(1)Green led “Radioshack” Model: 276-271 Catalog #: 276-271 $1.99
(1)Red led “Radioshack” Model: 276-270 Catalog #: 276-270 $1.99
(2) SPST Submini toggle switch “Radioshack” Model: 275-612 Catalog #: 275-612 $2.99each
12 gauge wire for pump
14-16 gauge wire for switches, lights and solenoids.
Assorted electrical connectors, fuse holder
Total about $30.00

Here is the schematic I drew up.

The two switches and two lights above my 4x4 cutout are for the Water/Meth.
Left to Right-

System on for low boost, Low boost active light, System on for high boost, High boost active light.

8Gal Tank in toolbox.

Pump placement under passenger side door on frame.
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I run the snow performance mpg max on my truck and really like it, it work off egt to


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$800 with controller, egt prob, 7gallon tank, boot and all the parts needs. The controller is what was worth the money bc it runs off egt and boost to or u can set to just boost 3 stage.
Has egt gauge and boost gauge.
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