C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jan 10, 2005 | 10:16 AM
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this talk of LS1 injectors has me thinking. what size injectors is my LT4 running stock? what kind of HP do i have to run before bigger ones will help me? would they help me now? wouldnt the computer compensate by adding more air?
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Old Jan 10, 2005 | 01:01 PM
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Originally Posted by 1996man
this talk of LS1 injectors has me thinking. what size injectors is my LT4 running stock? what kind of HP do i have to run before bigger ones will help me? would they help me now? wouldnt the computer compensate by adding more air?
LT4 come with 26lb injectors good to 450bhp. If there is nothing wrong with them you do not need to change.
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Old Jan 10, 2005 | 04:10 PM
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so they are good to 450 flywheel horsepower? I thought guys with LT4 were upgrading them a lot sonner than that. like around 400hp or so. seems hard to beleive that stock injectors are good for over 100hp what the motor came with stock? anyone else have any experiance in this?
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Old Jan 10, 2005 | 04:14 PM
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The LT1 stock injectors are also good over 400 HP. People love to spend their money.
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Old Jan 10, 2005 | 04:35 PM
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how do you determine that an injector is good to a certain HP? simply that upgrading it untill you hit a certain power doesnt make much difference or what? ( did that make any sense?)
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Old Jan 10, 2005 | 04:47 PM
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Originally Posted by 1996man
how do you determine that an injector is good to a certain HP? simply that upgrading it untill you hit a certain power doesnt make much difference or what? ( did that make any sense?)
No but I got the jist of it. Here is a link:
http://www.rceng.com/technical.htm#WORKSHEET
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Old Jan 10, 2005 | 04:57 PM
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hmmm depending on what cam i get i may upgrade to 30lbs just to be safe
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