2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Stg 2 zzp bolt on too much?

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Old 12-08-2010, 04:00 AM
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Stg 2 zzp bolt on too much?

My plan is to buy the stg 2 bolt on supercharger kit from zzp over the winter and install it during the summer. My only concern is whether or not the stg 2 would give me more than 250whp, because I don't want to do anything with the internals. In addition to the kit I will have header, dp, catback. Any feedback is appreciated.
Old 12-08-2010, 04:02 AM
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depends what size pulley and injectors.
Old 12-08-2010, 04:15 AM
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It should put you at close to 260whp if you have a 2.2L and good supporting mods
Old 12-08-2010, 04:22 AM
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This is the kit I'm talking about. Any guess as to what the stg 1 with 60# injectors + full exhaust would put me at?

Old 12-08-2010, 04:31 AM
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You will be about 220whp stage one and about 230whp with injectors, thats if I remember correctly.
Old 12-08-2010, 04:33 AM
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Like I said good supporting mods!
Old 12-08-2010, 04:44 AM
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Originally Posted by CalgaryBalt
Like I said good supporting mods!
Is that 230whp including the header/dp/catback or just the kit with injectors? Cause if the plain old stg 1 kit with exhaust would put me at 230, I'd be comfortable with that.
Old 12-08-2010, 04:49 AM
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im doing the same thing after christmas, going full stage 2. i was worried about internals too
Old 12-08-2010, 07:31 AM
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Pm'd zzp for suggested configuration, will post response when received.
Old 12-08-2010, 08:11 AM
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Response from zzp.

Originally Posted by Zooomer
Originally Posted by nickadolph
Do you have any idea how much whp I would make on a 2.2 l61 if I'm running you're stg 2 bolt-on kit with a header/dp/catback? I'm trying to keep the power as close to 250whp without going over to preserve the reliability of the engine. Is there a certain configuration you would suggest to go with my hdr/dp/catbk so that I would make around 230-240whp? Thank you for any assistance you may be able to provide.
it depends on rpm but with stock valve spring and those mods, I would expect 210WHP
Old 12-08-2010, 10:32 AM
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Yup Its will all of your supporting mods, and I would highly recommend valve springs! if you think that you can just slap on a stg 1 and have 230whp you are truely mistaken.
Old 12-08-2010, 12:14 PM
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why? I'm on a stage 2, 60lb injectors and2.8 pulley and my valve springs are fine
Old 12-08-2010, 07:27 PM
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Originally Posted by CalgaryBalt
Yup Its will all of your supporting mods, and I would highly recommend valve springs! if you think that you can just slap on a stg 1 and have 230whp you are truely mistaken.
Any link to a how to on installing the springs so I can see how much goes into it?

Originally Posted by Glowbalt
why? I'm on a stage 2, 60lb injectors and2.8 pulley and my valve springs are fine
Have you been dyno'd?

Last edited by nickadolph; 12-08-2010 at 07:27 PM. Reason: Automerged Doublepost
Old 12-08-2010, 08:25 PM
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Alright, so seeing as I'll probably have buy more than just the kit and gauges do guys think I should keep the G5 stock and buy a second car (4th gen Camaro/firebird), or keep just the G5 and mod the hell out of it? Cause I can get a used v8 for just a grand or two more than what I would spend modding the G5. All opinions welcome, including suggestions for 2nd car.
Old 12-08-2010, 10:34 PM
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Started new poll here.
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