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sr20 Fueling

sr20 turbo fuel swap help me

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#1 newmember



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Posted 29 August 2015 - 04:49 AM

Hello everyone, i had a question regarding the sr20det swap into the s30 chassis more specifically a 280z. What needs to be done so that the egnine can get enough fuel for about 250-300 crank horsepower reiably? Getting a fuel cell isnt really an option since i plan to daily this car in the future. I was just curious what everyone else was using in terms of fueling in their ka/sr swaps.

#2 Annunaki



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Posted 29 August 2015 - 08:20 PM

Going up on injector size and use walbro 255 fuel pump. Going up on injector size would need new management and tune. You also would need to upgrade your turbo setup going north of 300.

#3 BluDestiny



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Posted 08 September 2015 - 10:19 AM

I'm confused if you are talking about modding the engine, or the actual fuel lines on the 280z. The fuel lines and tank will be fine for that hp. Heck even the stock engine management will support 250 crank hp. If you want more like 300whp then you should think about changing your injectors and turbo/turbo mani. 


I'm putting a 400ish hp sr20 in my 280zx, and I'm using 1000c injectors, a walboro 255 and e85. The tank had to be dropped and cleaned and new fuel lines installed. 

Edited by BluDestiny, 08 September 2015 - 10:20 AM.

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