TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Last Minute Advice

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Old Jul 8, 2010 | 08:35 AM
  #1  
stealthroc89's Avatar
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Joined: May 2010
Posts: 463
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From: Houston Area
Car: 1989 IROC-Z
Engine: 355, 6.0 (LQ4) soon
Transmission: 700R4
Axle/Gears: Borg Warner 2.77 for now
Last Minute Advice

Its time to crack open my piggy bank and get a prom burnt so I can actually floor the pedal without any real worries. My main concern is my 26# injectors, will they be enough? Its a modest engine, 215/225 - .522 lift cam and a 112 lobe separation, stock port vortec heads, stealth ram intake, 9.3 compression, headers and a 52mm TB. Once I get the prom burnt theres no turning back so any help would be appreciated. I was thinking of going with a thiner head gasket to bump up the compression and while the hsr base was off I'd like to take it to work and machine a little off the height. I'm going to do a search on shortening the base, but any input here would help alot though!
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Old Jul 8, 2010 | 09:19 AM
  #2  
John 89 Formula's Avatar
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From: Everett, MA . USA
Car: 89 FORMULA FIREBIRD, 86 CHEVY CAMARO
Engine: L98, LB9 RESPECTIVLY
Transmission: 700 R4 (BOTH)
re: Last Minute Advice

As long as the prom has a 26# injector constant you should be good to go.
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Old Jul 8, 2010 | 02:08 PM
  #3  
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re: Last Minute Advice

Should be plenty, as long as there is no nitrous or boost involved and even then might be ok depending on where the power output falls.
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Old Jul 9, 2010 | 06:35 AM
  #4  
stealthroc89's Avatar
Thread Starter
Member
 
Joined: May 2010
Posts: 463
Likes: 0
From: Houston Area
Car: 1989 IROC-Z
Engine: 355, 6.0 (LQ4) soon
Transmission: 700R4
Axle/Gears: Borg Warner 2.77 for now
re: Last Minute Advice

Thats good to hear!! After reading through some threads I thought I might have went too small. I'm going to get VATS deleted, are there any other things I might want to add/delete or specify?? Thank you for the help!
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