walbro 255 standard or hp?
 

apparently there are 2 types of the 255, a standard version and a high pressure version. which would be reccomended for a goal of 300whp using a stock fuel rail and fpr?

Re: walbro 255 standard or hp?
 

some people say the high pressure creeps with the stock regulator, some people say use the high pressure with a fmu, some people sweer that high pressure is better and will support more horse power :P

Re: walbro 255 standard or hp?
 

thats why i was looking for something a little more definite, cause some people have said alot of things and i dont know whats true

Re: walbro 255 standard or hp?
 

i like the high flow.

Re: walbro 255 standard or hp?
 

ok...then ill say i like the high torque one...high flow wasnt a choice :). the regular one should be more than fine for 300, whats the price difference?

Re: walbro 255 standard or hp?
 

im pretty sure the standard one is referenced as the LP (low pressure one) versus the HP (high pressure). i know i've heard from a few people that the lp is preferred in a civic. but i guess i can't comment on WHY they said that. might have somethin to do with what other fuel parts they had. stock fpr maybe?

Re: walbro 255 standard or hp?
 

there is like a 10 dollar price difference, i just dont want to get the hp and then have to get a fpr along with it

Re: walbro 255 standard or hp?
 

Home people also say that the 255 is more than overkill regardless of which version you choose. FYI the 190 is fine for 300~400 hp and the 255 is good for 500~750 hp. Do you understand how to calculate fuel for your goal? If so then do it and you'll see that I'm right.

Re: walbro 255 standard or hp?
 

anyone else?

Re: walbro 255 standard or hp?
 

If you're not running an RRFPR, the non-high-pressure one is fine and I would suggest that. I've used that pump on my last 3 turbo cars as well as my next project.

Re: walbro 255 standard or hp?
 

I take it you don't know how to calculate it. In that case, listen to these guys. Just an FYI, a 500 hp car needs an estimated 211 lph. You're not making 500 hp and you won't come anywhere close without adding a little math into the equation.

EDIT: But bigger must be better right?=Not always/usually isn't true.

Re: walbro 255 standard or hp?
 

thanks for the help, i believe im going to go with the standard

Re: walbro 255 standard or hp?
 

heres a flow chart http://www.lightningmotorsports.com/...lbro_chart.gif
211lph is about 55 gallons so it looks like the standard would be ok, because i wouldnt need that much your right, and the fuel pressure is still above stock