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View Full Version : SR injector order lean -> rich


Rezlo
05-09-2005, 10:21 AM
I have read it here before, but after searching for 30 minutes i figured I would just post about it,

S14 Sr20det, 550cc injectors Which cylender runs the leanest?

Ive got the print out here for my injectors but i need to know which is the leanest to richest Cyl so i know wich way round to stick my injectors

Thx

RBS14
05-09-2005, 11:56 AM
highest on 4th, 2nd highest on 3rd and so on...

Rezlo
05-09-2005, 12:02 PM
So highest flowing injector in 4th cyl, great, thanks :)

Flybert
05-09-2005, 12:47 PM
Yes, highest flowing on 4th, then 2nd, 3rd, and 1st.

I have never understand why 2nd was leaner than 3rd though. It makes sense that 4th is the leanest because all the air going into the inake mani gets pushed to the back, but why isn't 3rd the next leanest? Scott, tell me you know this answer.

WeldingHank
05-09-2005, 01:19 PM
also, the 4th cylinder is farthest from the FPR.

Rezlo
05-10-2005, 12:59 AM
FPR should make to much of a difference due to the amount of fuel that is sent/circulating (in my case anyway with the 255 walbro) normaly you see less than 1/2 psi from tank to regulator in drop with a decent pump.

No:4 runner has a coolant passage thats pretty small and no:1 runner has that whole coolant runner under it (S14 SR20Det) which you would think would make it run a fair bit hotter than 2&3 but obviously it doesnt effect it that badly ?

Well after doing the turbo and head gasget trying to solve my oil in the coolant issue hopefully now that im blocking off the stock oil cooler's coolant lines my problem will be solved!!!