| : Remember,.. higher octane resists detonation better than lower. :At the same psi larger turbos make a cooler charge than smaller stock ones - that also is helpful. Z1 EPROM? Well that's a variable right there, isn't it? :*how* did they tune it? What was it tuned *for*? :Specifically designed for your car, (dyno?) or off-the-shelf? : : Injectors are HUGE, and mean everything when you try just crankin up the boost. :Swap out the injectors from something capable of handling high psi, we'll talk. I got the modded ecu from their website. 92-93 octane premium gas. Im not looking into some serious boost with these injectors. Its set at 12 psi right now but they feel less powerful compared to the stock turbos set at 16 psi. Not by much id say prob 15 whp difference. Maybe its just my imagination but i was going to try 13-14 psi...
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