Im planning on running 6 PSI on a stock d15a3 motor (1st gen crx Si). What ratio FMU should i get for this setup?

 

10:1 or a 12:1

I always see people running rich with the 12:1 so I would go with the 10:1, but then again, you might run lean with the 10:1 so you might be better off with the 12:1. Did I confuse you? :P
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i'm putting my old set-up on a guys civic right now but didn't sell him any fuel managment so i told him to get a 12:1 fmu and the shop he ordered it from sold him a 10:1 no name fmu for $200. they wanted 275 for the jackson racing one, and he was gonna buy it. i was always told to get the 12:1 because it's better to be rich then lean but i will let you know if it blows up with the 10:1.

 

$200 FOR A FMU??.

 

ill make u an fmu for 3 bucks

alls i need is 3 straws and a can, uhuh

 

yeah he bought the $200 10:1 FMU and he was running waaaaay lean, so now he can't return it so he is gonna try and sell it on ebay.