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fuel

  1. D

    French S15 owner

    Hi everyone, I'm Nicolas, owner of the company DriftShop (we run a professional tuning shop and online store www.driftshop.fr ). I own an 86 and an S15 and that why I'm here :D Here it is : I'm currently rebuilding it, that its current state, more or less : Full weld-in cage designed and...
  2. B

    Couple Questions on Fuel pump upgrade....

    Happy New year everyone!! Just ordered a Walbro 255 Fuel pump. Now i've read that this will provide a good amount of fuel at higher revs, specially if running higher boost. BUT, Wouldn't the fuel injectors need upgrading at this point too? if not, why? Also, with the Walbro 255 installed...
  3. N80Jamie

    Boost Issue

    Boost Issue (Video added!) I'm having a slight issue at the minute which randomly starting occurring after a short drive tonight. Due to the cooler air temperatures at the minute i'm running a lower boost setting (around 0.7bar) as i was getting too much boost creep on the higher setting. When...
  4. S

    Car jolting like kangaroo

    so i replaced my centre peice muffler as it was cracked and crokey and sounded like ****. after replacement everything sounds great until you push the pedal lil more then 10% it starts bouncing back and forward like its struggling my tuner has been a **** around. before muffler apparently my...
  5. Fruitbooter

    S15 rear abs speed sensor

    Sorry to do another thread but this is a different question. Does this sensor have any other role on performance other than the abs system? Today I took the abs fuse in the footwell out which dissabled the abs but also the speedo...now im 90% sure this has caused overfueling.. 1. more pops...
  6. T

    fuel pump

    Am I right in thinking the s15 has an uprated fuel pump compared to the s14? If so, roughly at what horsepower does it become restrictive and need to be upgraded? Thanks.
  7. P

    S15 Spec-R - VQ30DET conversion

    So I’ve had my S15 for a couple of years now, and after viewing this site for a few years i finally got around to joining. Purchased mechanically stock with typical retard mods of neons & clear tail lights - which were promptly removed/disabled (Not all bad however - came with a pretty decent...
  8. A

    Spec R Full Throttle Hesitancy/Stuttering

    No end of troubles with coilpacks, bought brand new set, [Shameless plug to Apex Performance] fitted them and all was well. Car has now developed a hesitation at about 3500rpm at full throttle. Part throttles fine.? To try and describe it better its an almost strangled/ clogging effect lift...
  9. S

    which fuel pressure regulator?

    hi guys im about tune my s15 next week. im adding in 740 cc nismo injectors a z32 afm with the nistune ecu, I was wondering which fuel pressure regulators are good qaulity and if any used the tomei fpr, nismo fpr? need advice please.
  10. J

    Help! Another problem! Car won't start :-(

    Right my s15 will no longer start for some reason? Its been having a few problems lately. We thought it was a fuel/ignitionn problem. Fuel pump, coilpacks, fuel filter and spark plugs have been changed. The car was running great for about an hour then all of sudden it wouldn't idle and...
  11. Jay-pan

    Hesitation when starting

    Hi guys, probably an easy fix i hope. But recently fitted a Walbro fuel pump a week ago, but on friday the car cut out when i was just below quarter of a tank put in 30 quid and it started after a few pumps. Came to the conclusion that i hadn't fitted it on the bracket correctly so was sitting...
  12. K

    what fuel pressure and boost do i set my car to

    help i have front mount fuel pressure reg boost controler and exhaust system what do i need next sorry if this sounds stupid
  13. Jay-pan

    Anyone tell me the name...

    Cars been rough a few days was guessing it was a boost leak but all pipes were fine till i knocked this thing and a pipe just dropped off seems its broke off so glueing it for now but will need to replace it. But what is it? I'm guessing its something to do with the fuel purge tank?
  14. Jay-pan

    What FPR and fittings.

    Going to be adding a Fuel pressure regulator soon just wondering if people could suggest a good FPR? Also What fittings(size) and extras will i need? looking to upgrade all the fuel lines to braided in the engine bay? and if anyone has a diagram to show where the fuel lines are located in the...
  15. S

    Boost spike

    Before installing front mount it would max out .8 now with it goes to about 1 bar? Is this Normal? other mods added is walbro fuel pump and new colder spark plugs but I doubt that make diff
  16. M

    Fuel tank filter?

    Hello all, I have had to drop my Subframe due to warn bushes.While dropping my subframe i found some rust and had to drop the fuel tank (rust was next to fuel pump lines) and while removing the fuel tank i had a bit of a problem with a little black box that was sitting on one of the lines...
  17. darcyjohan

    Darcy - S15

    Here's my specR S15. I've had it since the start of 2012. Here's what I've done since I've owned it :D Current Specs~ Engine CP Pistons Eagle H-beam rods HKS Step2 camshafts HKS Valve springs Rocker stoppers 3 core aluminium radiator Big fmic Mishimoto twin 12" thermo fans Mishimoto aluminium...
  18. Suspect

    fuel pump question

    Hi Guys, Well after having the car nearly 2 years I have finally got round to checking the fuel pump out just to see what I had in there. And I found what I belive to be a standard pump. How ever when I Google the number stanped on the side I get a couple of pages to subaru links. Unisia jecs...
  19. Fasthands

    WTB: Heat shield

    I want a heat shield that protects the fuel tank must be in good condition.. anyone got one?
  20. M

    rough idle and sometimes coughs when driving

    hello all did my first drift day on Saturday but near the end of the day the car started to idle strange, idle was jumping up and down and then when driving home the car was coughing almost like a misfire but only for a second and then drove fine. i stopped for some fuel and the car wouldn't...
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