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Pretty sure he his talking about this kit => https://modd.me/product/4-0l-sohc-v6-eaton-m90-supercharger-kit-setup-no-01/I don't plan on going over 10psi Of boost. I want to put in larger injectors, fuel pump, and a custom tune.
And I would say that yes you will need it tuned. Best if you can take it to somone that can tune it, but there are people that can give you canned tunes that are pretty good. I'll look them up if you want, but I think you would want an SCT tuner. New fuel supply would be warranted with this, injectors, maybe a pump that can supply it. And if you are going very high on boost, plan now for meth injection.
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2002 xlt 4.0 5r55e 4x4 4.10 rear disc brake swap from sn95 **currently swapping in a 5.0***
2003 2.3 2wd 5 speed single cab dropped 9 inches looks like crap rides like crap but for some reason it’s cool to me
2004 gmc 2500hd 6.6 diesel LLY
1989 foxbody 347 stroker t5 trans