Need advise please
Thread Starter
Teching In
Joined: Aug 2011
Posts: 7
Likes: 0
Need advise please Ok guys I am a total noob with this n2o stuff. I have purchased a Nx wet kit just the basic. My car is a c6 with a
Lsx iron block, forged and stroked 13.5 compression running 615 RWHP On E85 .
I have 65lb injectors and they max out around 85% at WOT
Also when I'm at WOT my afr starts at 12.2 and keeps climbing the entire time I'm WOT to about 13.4. Does this mean my fuel pump isn't keeping up?
So my question is, which pump or system would suit me best and what size injectors should I get to run this n2o setup. Thanks.
Lsx iron block, forged and stroked 13.5 compression running 615 RWHP On E85 .
I have 65lb injectors and they max out around 85% at WOT
Also when I'm at WOT my afr starts at 12.2 and keeps climbing the entire time I'm WOT to about 13.4. Does this mean my fuel pump isn't keeping up?
So my question is, which pump or system would suit me best and what size injectors should I get to run this n2o setup. Thanks.
Ls1tech & Truck Sponsor
iTrader: (4)
Joined: Jun 2010
Posts: 2,267
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From: Wichita falls Texas
+1 on the fuel coming from the solenoids, not the injectors.
without knowing the tune, you could need a bigger pump, try adding fuel in the tune and see if it richens up, if not you might look into a bigger fuel pump.
as far as timing goes, we recommend pulling out 4deg per hundred hp of nitrous being sprayed
without knowing the tune, you could need a bigger pump, try adding fuel in the tune and see if it richens up, if not you might look into a bigger fuel pump.
as far as timing goes, we recommend pulling out 4deg per hundred hp of nitrous being sprayed
Thread Starter
Teching In
Joined: Aug 2011
Posts: 7
Likes: 0
What would need to be known about the tune? It was tuned with hp tuners by a speed shop in TX. I'm a dummy with this nitrous and want to learn as much as possible so I don't make the engine a door stop!!
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is the fuel pressure falling off when it goes lean? if so, i would address the pump before i messed with some nitrous. i'm not an expert on tuning, but i do know some tuners lean the mixture out some at higher rpms, so you need to determine if that is the case, or if your fuel pump just cant keep up.
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