Walbro 255 is no way near enough to support 600 WHP on pump gas..
The more boost the less LPH. Ive learned this the hard way.. The only way to get 600 WHP with single pump is E85, E85 will make a lot of HP without going that high of boost so that will the single enough for 600 etc
Last edited by G37sHKS; 02-04-2014 at 05:12 PM.
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