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Injector/sparkplugs/tuning question

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Old Mar 12, 2011 | 12:30 PM
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Default Injector/sparkplugs/tuning question

Hey guys I just got a sts kit for my 99 z28. I have some 42lb injectors and I plan on running 5psi of boost. I was curious if it is necessary to run those injectors or can I make due with stock for a little bit. And Also I'm wondering what plugs and what gap I should run. Can I run without a tune for a little bit on 5psi or do I need a tune immediately.
Thanks in advance
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Old Mar 12, 2011 | 12:37 PM
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I would not get into boost without a tune on the stock injectors. Your tuner will be able to determine if you can get by on the stockers. You may be able to get away with it. You will likely need atleast the racetronix/walbro 255 pump setup though. TR6 plugs should be all you need at that boost level gapped around .035-.038.
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