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How much injector do i need?

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Old 05-22-2008, 12:05 AM
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Default How much injector do i need?

Whats up guys....

Im from the truck site....im currently in the process of swapping an Iron
block ls1 into my 78 chevy c-10....im getting closer to buying all the parts for
fueling the motor before i get her dropped in here are some specs of the motor to help out.....and I will be running 200 wet shot of nitrous(2 stage)

5.3 block punched out to a 5.7
11:1 compression
226/230 .584/.591 112+4 custom grind comp cam
Prc stage 2.5 5.3 heads
Ls6 intake

Im just trying to figure out what size injector im gonna need and if i should go with the return style fuel rails or not?

Any help will be greatly appreciated!

Last edited by chevyguy7802; 05-22-2008 at 03:44 PM.
Old 05-22-2008, 06:35 AM
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check out my fuel and injection sticky that explains injectors.

I reckon around a 42# injector would be fine as you are running a wet nitrous kit.
Old 05-22-2008, 03:45 PM
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Thanks for the reply.......I was thinking the 42 # would be the one to go with I just needed to hear somebody else say it!




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