i have a 94 gsr with a b20 T3/T4 TO4E turbonetics turbo and other mods and it dynoed 250 at the wheels at 8psi. I was wondering what size injectors i would need to turn the boost up to around 12. Also, i have stock fuel rail, do i need to replace that too?
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On my friend's stock sleeved B18C with 81.25mm 9.0:1 JE slugs, Eagle rods, Portflow head, and Hondata he made 370whp with his T3/T04E on 12lbs... In his full interior EJ6 he runs 11.60's which is nothing special but pretty good for his motor... We run it with 1000cc injectors, STR rail, a Walbro 255lph in tank, and a MSD booster pump... I really don't like running booster pumps but you will need it unless you go with something cool like a Magnaflow!!!! Hope this helps... I know you could get away with 750's or 900's... Latez

 

What size injector you need to run will depend on how much power you want to support and what fuel pressure you will be running.