Maybe it's cuz your intercooler is cooling the air more because it's in direct air flow and the charge is much denser then before, you prolly need more fuel?
5/6/7th injector issues HELP
2
so i've got a 5/6/7th injector set up on my car.
here's a list of the mods
89 daytona Shelby
2.5L 'TII' (T3 turbo, A555....)
2.5L short block and smec
2.5" mandrel bent cat-back exhaust w/ magnaflow muffler,
steel braded coolent/oil lines,
ford 5L oil filter,
2 stage boost controll (12/24psi) <==== trying to get that high, i'll be happy w/ 20-22psi
5/6/7/8th injecters,
4.7v zener diode,
15psi pressure sensor switch
Turbo XS type H BOV,
Champ RN9YC plugs,
180* thermostat with 1/16th hole,
Custom made MSD heli core cables,
T1 rad
Stock IC mounted behind the air damn (below/mounted to the bumper)
'Cold Air Intake' w/ ractive filter. mounted where the battery was. home made set up
Battery mounted on pass. side
Shimmed sway bar 1/4"
Faze boost gauge, Autometer A/F gauge
Custom Vac block
mmmmm thats all i can think of at the moment.
but what my problum is that no matter if i'm running 1 injector or all 3 i'm getting mass amounts of detination at 18psi no matter how far i retard the timing. my goal is 20-22psi (24 would be better).
i've ran 18psi on this car up untill a cuple weeks ago when i move the stock IC and mounted it behind the air damn (directley behind one of the vents) and when i added the 3 extria injectors.
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acuple pics so everyone gets the feel of what i'm working with.
![]()
^^^ i still got some cleaning to do
so basicley no matter what i do i cant use my high boost cuz i'll destroy my motor..... anyone got any ideas?
PS. all my plugs and nice and white.
here's a list of the mods
89 daytona Shelby
2.5L 'TII' (T3 turbo, A555....)
2.5L short block and smec
2.5" mandrel bent cat-back exhaust w/ magnaflow muffler,
steel braded coolent/oil lines,
ford 5L oil filter,
2 stage boost controll (12/24psi) <==== trying to get that high, i'll be happy w/ 20-22psi
5/6/7/8th injecters,
4.7v zener diode,
15psi pressure sensor switch
Turbo XS type H BOV,
Champ RN9YC plugs,
180* thermostat with 1/16th hole,
Custom made MSD heli core cables,
T1 rad
Stock IC mounted behind the air damn (below/mounted to the bumper)
'Cold Air Intake' w/ ractive filter. mounted where the battery was. home made set up
Battery mounted on pass. side
Shimmed sway bar 1/4"
Faze boost gauge, Autometer A/F gauge
Custom Vac block
mmmmm thats all i can think of at the moment.
but what my problum is that no matter if i'm running 1 injector or all 3 i'm getting mass amounts of detination at 18psi no matter how far i retard the timing. my goal is 20-22psi (24 would be better).
i've ran 18psi on this car up untill a cuple weeks ago when i move the stock IC and mounted it behind the air damn (directley behind one of the vents) and when i added the 3 extria injectors.
acuple pics so everyone gets the feel of what i'm working with.
^^^ i still got some cleaning to do
so basicley no matter what i do i cant use my high boost cuz i'll destroy my motor..... anyone got any ideas?
PS. all my plugs and nice and white.
1 - 14 of 14 Posts
I still say your fuel pump isn't giving you enough fuel. Now get a fuel pressure gauge and make sure!
Also I noticed that your running your pressure switch at 15 psi.
Turn it down to 13/14ish sop there isn't that second of no fuel.
A note on the diode.
Depending on the resisitance it has it makes you lose fuel. Just keep that in mind
Turn it down to 13/14ish sop there isn't that second of no fuel.
A note on the diode.
Depending on the resisitance it has it makes you lose fuel. Just keep that in mind
I'm just saying personally I wouldn't trust cold starts over 17-18 psi
1 - 14 of 14 Posts
