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Old 09-19-2018, 10:15 PM   #29
Drsagacity

 
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Drives: 2017 Camaro 2SS Nightfall Gray vert
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Originally Posted by SDG23 View Post
I know this has been covered, but my goal is 600 to the wheels, nothing crazy but a decent bump up. Will the stock SS fuel system hold up? I hear a lot of numbers but in general I hear 600rwhp is about it for the stock SS fuel system, does this sound about right? Thinking of going with a Maggie 2300, I already have a ported TB and RotoFab dry intake so I'm thinking an 85mm pulley should get me there.
Yep. You are right on the number. You will be between 550-600whp at 7psi.
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Old 09-19-2018, 11:29 PM   #30
KingLT1


 
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Quote:
Originally Posted by SDG23 View Post
I know this has been covered, but my goal is 600 to the wheels, nothing crazy but a decent bump up. Will the stock SS fuel system hold up? I hear a lot of numbers but in general I hear 600rwhp is about it for the stock SS fuel system, does this sound about right? Thinking of going with a Maggie 2300, I already have a ported TB and RotoFab dry intake so I'm thinking an 85mm pulley should get me there.
I suggest to upgrade the fuel system. 570-600whp is about Max on 93 depending on dyno. I wouldn't want to be at Max or squeak by on these engines. The issue is rail pressure...especially with PD blowers. They require more fuel on the hit compared to a Centri setup...which can cause a lean spike from rail pressure drop.
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Old 09-25-2018, 12:14 PM   #31
DiGiam
 
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Originally Posted by KingLT1 View Post
I suggest to upgrade the fuel system. 570-600whp is about Max on 93 depending on dyno. I wouldn't want to be at Max or squeak by on these engines. The issue is rail pressure...especially with PD blowers. They require more fuel on the hit compared to a Centri setup...which can cause a lean spike from rail pressure drop.
I agree. On the dyno you can get by but on the street it may run lean. This is probably the number 1 reason why these LT1 motors pop. Tight ring end gaps and lean condition from an inadequate fuel system.
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