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

Vats bypass

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Old Apr 3, 2026 | 11:03 AM
  #21  
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Originally Posted by snackstick
can anyone recomend a good set of 22# injectors that won't break the bank. I have purchased one sent that was not good. I have had my factor set refurbished. it seems that I have one or more bleeding. fuel pressure goes from 45 psi to 0 in a mater of a few seconds. I have checked the fpr with no sigh of leaking. I have removed the TPI and raised the fuel rail up to see the bottom of the injectors and applied 45 psi with no sign of bleeding. I have removed the 9th injector with no sigh of bleeding. I have added a check valve in the input fuel line.I have pinched off the return fuel line.

I have a no start issue when warm that I haven't resolved after doing everthing that was recommended on this site.
https://www.southbayfuelinjectors.co...e-350-tpi.html

these are a good price, a little noisy and can run lean if not tuned for. But if your going to get a vats delete tune I can change the battery voltage offsets so the d3 will work better.
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Old Apr 3, 2026 | 01:17 PM
  #22  
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What do I need to do to my battery to get the Bosch D3 to work better
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Old Apr 3, 2026 | 01:31 PM
  #23  
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Originally Posted by CSN450
What do I need to do to my battery to get the Bosch D3 to work better
the data for 700 and 710 is here

https://www.thirdgen.org/forums/diy-...0-voltage.html
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Old Apr 3, 2026 | 01:41 PM
  #24  
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OK thank you. I see that they are remanufactured. do you still think they are good injectors
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Old Apr 3, 2026 | 01:54 PM
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Originally Posted by snackstick
OK thank you. I see that they are remanufactured. do you still think they are good injectors
I woudnt off suggested junk, just stay away from
ebay and Amazon knockoffs
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Old Apr 3, 2026 | 02:01 PM
  #26  
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ok thanks
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