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Discussion Starter · #1 ·
I'm running the following :
B18c1 (GSR motor, stock)
JRSC 11 psi
RC 310 injectors
Bosch in tank fuel pump (HUGH)
Cartech 2005 fuel pressure regulator
B&M fuel pressure regulator (for idle) 30 psi
STR exhaust cam gear
Type R exhaust cam
mild ported head
Kamikaze headers, with 2.5' collector
Holley throttle body
3 " intake PVC cold air intake tube
3" Full straight exhaust
J&S safeguard (prevents detonation by retarding timing )
8 mm NGK plug wires
NGK BKR 7 E-11 plugs
clutchmasters stage 4 clutch
V-AFC vtec and fuel controller
no ignition upgrades (MSD etc..)

my questions are :

1. Are my RC 310 injectors adequate enough for the 11 psi and 35 shot ?
2. Can i run bigger injectors, (440s) without the use of a computer controller. I only have V-AFC ?
3. What plugs should i run and gaps ?
4. ive heard different stories about running nos and fule thru charger, whats the deal ?

thanks to anybody who can help me out.


2,529 Posts
310s are definitely on the small side. 440s will run pig rich at idle but will come closer to stoich as the rpms rise. V-AFC should be able to control them, but nothing will be as good as a standalone, and if that were the case, you could get rid of your cartech at the same time, and go for some 720s or something. Go with a dry 25 shot first, then move up to a 35 shot if you think it's safe. Running fuel through the blower is what eats the rotor coating so a dry shot is recommended. Get 2-3 step colder copper plugs, and gap them at .030
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