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walbro 255lph how much whp on 2jz is good for

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4.9K views 13 replies 9 participants last post by  SoarerTT  
#1 ·
i want to find out how good is the walbro 255lph because i plan on making 600whp so want to know if im going to need 2 pumps im also running meth injection 1000cc fogger above 18lbs and plan on running 24psi on pump 93 and 100% meth.
 
#3 · (Edited)
One pump is good for 500whp. You will require two if you want to meet your goals and be safe.

^^^^550whp is the upper limit to the stock Denso. (yes 600 can be down with a Boost-a-Pump, but not on my car)

$100 Walbro < detonation-meltdown.
 
#13 ·
what i want to know is if the meth injection is going to supply the extra amount of fuel that i will be ok to 600whp i have a 1000cc fogger and 1 gal meth tank. the meth kit comes on at 18lbs via the aem ems i know that when its on i have to take out fuel because it goes to rich on the wideband so if i use less fuel when the meth kicks in then i should be able to have more fuel for more power.