Meth Injection instead of race gas? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 7 Old 09-25-2012, 01:21 AM Thread Starter
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Meth Injection instead of race gas?

Ok so here is my situation.

I had the car tuned up to 20 psi with race gas in it.

I run 15 psi on the street with 93 octane.

Basically what I am wondering is if I hook up a meth kit would that allow me to run 20 psi with 93 octane+ meth?

Would it require tuning for the meth spray?

Im new to the world of meth but I understand it is supposed to be comparable to runnign race gas I was just curious if this is something the tune would need to be adjusted for or if I could just spray it and be good?

I thought I read somewhere that it would lower the A/F ratio a bit.

Truthfully im not looking to run the stuff 100% of the time...just would be nice to flip a switch and be able to run full boost at the track or whenever I feel the need to bump the boost up rather then buying a 75 dollar drum of race gas.

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post #2 of 7 Old 09-25-2012, 02:07 AM
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I run over 17 lbs of boost and runs great. Yes it would be advisable to get a tune, it not only increases the octane but lowers the air temps as well. Ask Michael Plummer or Mike Post, either can give you the info you need.


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post #3 of 7 Old 09-25-2012, 02:22 AM
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Most race gas is leaded and will ruin your 02 sensors and wideband after a while too. Seems like a 93 octane/Torco mix or 93+straight meth is the only way to go about it with unleaded fuel.

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post #4 of 7 Old 09-25-2012, 04:06 AM
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My budy runs 22psi with 91 and meth and when i dyno next month i plan to run ~25psi with 91 and meth. 20psi and 93 and meth will be easy. You will need a retune

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post #5 of 7 Old 09-25-2012, 09:17 AM
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I run 14 psi 93 octane and a snow performance stage 2 meth kit..its like having 116 octane as soon as boost comes in..And yes you would need a re-tune...

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post #6 of 7 Old 09-25-2012, 11:34 AM
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most people will just spray the meth then lean the car out til a/f is right, worst case scenario you'll be rich. Just make sure you have a big enough nozzle for your power goals.

My home made meth kit using washer fluid did wonders for my eaton, but it was stock junk on 10lbs of boost without an intercooler.

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post #7 of 7 Old 09-26-2012, 09:37 PM
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im running 20psi at the moment with a 20gph nozzle straight meth. it will be fine but every combo is different. a proper tune and you will be good to go

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