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JRSC injector sizing

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Old 05-05-2004, 08:09 PM
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Default JRSC injector sizing

I just put a Jackson Racing Supercharger on a B18a with bolt ons only. The engine doesn't ping at all, do you think that it will need bigger injectors or are the stock ones fine. TIA
Old 05-05-2004, 11:07 PM
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Default Re: JRSC injector sizing (quik1)

if you are running the JRSC with the normal/factory 6lbs of boost you should be able to run it with factory injectors without any problem...the FMU will increase fuel flow as boost increases.
Old 05-06-2004, 05:22 AM
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Default Re: JRSC injector sizing (delsolrob)

Cool thats what I thought.
Old 05-08-2004, 04:20 AM
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Default Re: JRSC injector sizing (quik1)

Does anyone else have any other opinions.
Old 05-08-2004, 04:49 AM
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Default Re: JRSC injector sizing (quik1)

I dont know what size injectors are in the B18A enging but in my B16A2 I increased the injector size by %10. So I believe stock mine are 250 and now there at 264. Not a big diffrence and I dont have a boost gauge nor a fuel gauge (Lean/Rich) but I don't hear no pinging or knocking and it's on the stock 6lbs of boost. All I got's is this damn idle surge. I'll fix.......one of these days.
Old 05-08-2004, 05:02 AM
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Default Re: JRSC injector sizing (TAGURIT)

Stock injectors are just fine for 6 psi. Anything above 8 psi and you will want to jump to some 440's.
Old 05-08-2004, 07:35 AM
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Default Re: JRSC injector sizing (TAGURIT)

same here damn idle problem, but i think its between the blower and the manifold a vacuum leak
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