About to improve my fueling situation. I wanna stay stock twins but make 350rwhp. I think this is achieveable with my stock port engine.
I am gonna replace my fuel pump with a higher pressure intake unit and was thinking of the walbro 255. Is this pump any good. I think it will more than fuel my requirements. Was initially going for 850 cc primaries but have been told the car will be hard to tune and the idle may suffer. It has also been suggested to me having 2 addition 550cc injectors in addition to the stock set up. What do you guys think ????? Scott |
how about 1300secondaries? works for everyone around here. you need a big pump too, walbro should be ok. its gonna take around 17psi to make that kinda power
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Originally Posted by j9fd3s' post='778642' date='Nov 15 2005, 10:25 PM
how about 1300secondaries? works for everyone around here. you need a big pump too, walbro should be ok. its gonna take around 17psi to make that kinda power 1300cc injectors are getting a bit of bad press over here at the mo. a few engine pops. a bit limited with options as i dont wanna go to the extra expense of a new fpr and 1680cc secondaires |
Originally Posted by sdminus' post='778644' date='Nov 15 2005, 02:30 PM
1300cc injectors are getting a bit of bad press over here at the mo. a few engine pops. a bit limited with options as i dont wanna go to the extra expense of a new fpr and 1680cc secondaires yeah ive seen a couple of bad ones myself, but once they work it seems to be the easiest solution. |
kgparts.com sells a secondary fuel rail and banjo bolt adapters... then you can go whatever size secondary injector you can think of... the only drawback is you have to use an aftermarket regulator... there are cheap ones available in the market.
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Fuels the next thing on the list for me too. Have been thinking of a similiar set up with a Walbro and 1300s.
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go with kgparts fuel rail and regulator do it once and do it right you wont regret it
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Originally Posted by j9fd3s' post='778642' date='Nov 16 2005, 07:25 AM
how about 1300secondaries? works for everyone around here. you need a big pump too, walbro should be ok. its gonna take around 17psi to make that kinda power you sure about the 17 psi number there Mikepoo? |
A single Walbro 255 piggy-backed would work great for you. And if you only wanna make 350rwhp I see no reason why you need to go bigger than 1300cc secondaries.
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Originally Posted by jspecracer7' post='778804' date='Nov 16 2005, 04:58 AM
you sure about the 17 psi number there Mikepoo? nope. my buddy's car did 320rwhp@15psi with dp/mp/rb exhaust and an m2 ecu then the car did 378rwhp@17psi with an ic and modded airbox, and a ported engine. now it does 350ish rwhp with the big apex turbo@14psi, and temps stay low so he's happy |
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