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couple of LT-1 questions

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Old Mar 11, 2004 | 08:53 PM
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1986redbird's Avatar
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From: Chesapeake Va
couple of LT-1 questions

first---How much fuel pressure does the LT-1 injection system use,

second---will the stock injectors and throttle body support a 383 sbc.??

third--- whats the best way to bypass the VATS system in the factory computer, I have no way of knowing what the key resistance was.


thanks in advance.
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Old Mar 11, 2004 | 09:50 PM
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ShiftyCapone's Avatar
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From: Cincinnati, OH
Car: '90 RS
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Re: couple of LT-1 questions

Originally posted by 1986redbird
first---How much fuel pressure does the LT-1 injection system use,

second---will the stock injectors and throttle body support a 383 sbc.??

third--- whats the best way to bypass the VATS system in the factory computer, I have no way of knowing what the key resistance was.


thanks in advance.
The stock fuel pressure is around 46 to 50 PSI. The stock injectors are good to about 400hp. A quick search on the vats will give you you answer there.
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Old Mar 12, 2004 | 10:57 AM
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TexasLT1's Avatar
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Easiest bypass for VATS is to program it out of the PCM.
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Old Mar 12, 2004 | 12:37 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
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I second that, another option if you dont want to send your computer off is look up the VATS bypass on ebay, think a guy sells them for $15 its a plug in little electronic module. He has a lifetime warranty on the thing, would be a temporary solution.
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