Re: Where do I go from here?
The only way you are going to get 500whp out of 550cc injectors is if you have 6+ of them, methanol injection or a nitrous wet kit. A 16G won't make anywhere near that HP anyways either, without a lot of nitrous. I maxed a set of 680cc fuel injectors on a DSM a couple weeks ago on pump gas. It was putting down a little over 400awhp(normal Dyno Dynamics numbers) at 19 psi, they would have supported a fair amount more power on race gas, but you have to run these motors pretty rich on pump gas to keep from knocking.
You don't absolutely have to get a fancy FPR, if you put a fuel pump in that overruns the regulator. It is nice, but you can usually tune around any overrun problems with a decent tuning system.
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