so, what can i expect

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  #1  
Old 02-19-2008, 11:35 PM
red star's Avatar
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Default so, what can i expect

Ive decided to get a 4 banger for a day to day car when i get the cash and just make my LT1 my weekend car.

Ive come up with a short list of things i want to do to it. let me know what you think. tell me what would work better. for starters I'm trying to make a nice street car.

i was going with some 195cc or 220cc ARF heads, LT4 manifold roller lifters, roller rockers, magnaflow exhaust 52 mm TB. thats all i have so far. If i do that am i going to need to mess with the computer or anything?
 
  #2  
Old 02-20-2008, 01:26 AM
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Default RE: so, what can i expect

Your car already has a full roller assembly internally, so no need to worry about that. I'd suggest getting all your bolt-ons done first, so your cat-back, Cold air intake and headers/Y-pipe before you do anything internal. You're not going to make good power with the internals if you don't have the supporting mods to get air into and out of the engine. That being said, if you go for the AFR heads you're going to want roller rockers. Ditch the TB, it's not going to get you anything until you're making over 350+ RWHP and then you'll want to think about porting the intake for a 58mm. If you do internal mods you're going to want to get a full dyno tune if you want the maximum power out of your mods, if you can't afford a full tune (check with local shops before you throw the full tune out of the window) you can always go for a PCMforLess.com tune, but you will need to tune the PCM if you do internals.
 
  #3  
Old 02-20-2008, 01:44 AM
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Default RE: so, what can i expect

ORIGINAL: 95slvrZ28

Your car already has a full roller assembly internally, so no need to worry about that. I'd suggest getting all your bolt-ons done first, so your cat-back, Cold air intake and headers/Y-pipe before you do anything internal. You're not going to make good power with the internals if you don't have the supporting mods to get air into and out of the engine. That being said, if you go for the AFR heads you're going to want roller rockers. Ditch the TB, it's not going to get you anything until you're making over 350+ RWHP and then you'll want to think about porting the intake for a 58mm. If you do internal mods you're going to want to get a full dyno tune if you want the maximum power out of your mods, if you can't afford a full tune (check with local shops before you throw the full tune out of the window) you can always go for a PCMforLess.com tune, but you will need to tune the PCM if you do internals.
i figured i was going to have to do some smaller things like that. would i have to increase fuel pressure?
 
  #4  
Old 02-20-2008, 01:02 PM
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Default RE: so, what can i expect

Leave the fuel pressure alone, if the tune can't make the FI deliver enough fuel, go to a size larger injectors.
 
  #5  
Old 02-20-2008, 02:26 PM
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Default RE: so, what can i expect

For a good set of "those smaller things" you're looking at at least $1200 for an intake and full exhaust.
 
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