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Old 03-06-2006, 01:44 PM   #1
Scooby Specialist
Member#: 2112
Join Date: Aug 2000
Chapter/Region: South East
2000 Impreza 2.5RS

Default Cool! A new forum to whore in! (Alky + n2o ???'s)

I've never tuned anything that has run both of these together. I'm approaching 10,000 miles on ethanol fuel (9700 right now ). Things are going fine, but it will need new head gaskets before too long. I have a set of new 440cc WRX injectors to install and modded fuel rails. I'll be doing the parallel fuel rail mod to avoid leaning out cylinder 3 too far. Supposedly these 440's will work with my stock computer. I've seen one RS up close that's running them with boost and he doesn't even have a CEL. I'll need these to run E85 comfortably anyway.

I haven't really decided between the ZEX kit or something from NX or NOS. In fact, I haven't messed with nitrous other than pushing a button 12 years ago on a buddies car. It was fun . I'm familiar with richening the fuel mixture and retarding the timing. Since I'm running alcohol full time I have my doubts about fuel enrichment in some kind off of-the-shelf kit. I need more fuel enrichment than something tuned for gas. From a little research, I see that NX offers a 4/cyl alcohol package.

This is a bit of a stretch as a comparison, but I'll try--Think of an rrfpr for a boosted app. You can change the enrichment from 8 fuel psi/1psi of boost up to 12/1. I'd need something closer to that 12:1.

Basically, I need more fuel enrichment than something tuned for gas. I'm worried about the compatibility of using something that's just "off-the-shelf", even if I DO have bigger injectors installed.
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