Well i bought my Mr and it is tuned for a dual map e85 and 93. It has 1250cc FIC injectors and a 255walbro. Since there is no e85 anywhere near me im thinking that the 1250cc on 93 might be overkill. Car is tuned at 18psi and PO said it put down around 350whp on 93, car runs perfect,pulls hard, no problem at all with idle or anything. I would like to maybe up the boost to about 22~psi or so and have it retuned but not sure if i should buy smaller injectors or just leave it and turn the boost up. Any info i would appreciate. Thanks

 

What's your setup?What turbo/cams etc?
I'm running 1250s also (93 pump gas) I don't think there is anything*wrong*running that size, and if you wanna do e85 on the future you're going to be ready.
You can get tune and crank the boost up to like 23~25psi safely, is all about the tune.

 

i would leave it, you set the injector size in the ecu so it doesnt just DUMP fuel like it would with e85. if it has 2 tuned maps its already done, otherwise you would be running super rich. since your wanting to up the boost, fuel is already taken care of, so no need to worry about not having enough fuel.

 

I have 272kelford cams,Injen charge pipes, 3" exhaust with no cats or anything,ungraded fmic. You guys make valid points looks like they are staying and just up the boost.. Thanks