Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Pretty easy money right (doing 12.99 or better at the drags)

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Old 01-18-2004, 02:35 PM
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In a STi?
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Old 01-18-2004, 05:42 PM
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...i think with just ur exhaust system, u can easily get 12.99
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Old 01-18-2004, 05:58 PM
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just go to the track and pretend its a regular run...you tend to mess things up when you know things are on the line
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Old 01-18-2004, 09:48 PM
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Practice runs when they aren't around. What were you turning when it was stock?

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Old 01-19-2004, 01:26 AM
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Put a couple gallons of toluene in the tank and re-set the ecu 10 days or so before you run, and run toluene in the tank until the run.......get to the track with ~1/4-1/3 tank of gas(with toluene already in it)....
BAM...
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Old 01-20-2004, 02:31 AM
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If this is an STi, it's money in the bank. If it's an EJ20 with a stock turbo, you got no chance.
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Old 01-20-2004, 09:25 AM
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If you're going to a drag strip, you're a lot better off jsut running race gas. It isn't gonna work over your fuel system like toluene can, and it's more consistent.
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Old 01-20-2004, 11:38 PM
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Toluene is a major component of all gasoline, so using mixtures under 30% have not been shown to be problematic.
I would rather mix a known ratio of fresh 93 octane and toluene than use race fuel of questionable vintage.
I have been using toluene(and xylene if I can't get toluene) for a LONG time and have torn apart fuel systems that looked brand new inside after many miles. Toluene has the side benefit of keeping moisture from collecting in the fuel system.
Deterioration of rubber parts can occur if high concentrations are used....I have never found more than 15%-20% to be necessary to achieve desired results.

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Old 01-22-2004, 12:07 AM
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If you don't need toluene to get into the 12's, you need toluene to prevent knock. If you get the ECU 'used to' the extra octane, then it won't pull timing(assuming knock) and you will get more power...probably quite a bit more depending on conditions.
If it were me, and there were 5 Franklins riding on it, I would want every advantage possible.
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Quick Reply: Pretty easy money right (doing 12.99 or better at the drags)



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