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How is the Fuel pressure gauge connected, show photos, what's it referencing etc. Get photos of how the fuel pump is wired. I'm assuming there's a relay triggering it, if so, measure what the signal wires are doing. From memory the ECU pulls to ground, so find the coil wire that goes to the ECU and measure resistance to ground. If it's an old drift car, what ECU is in it? -
Where did you get these bulbs from. Can’t find them anywhere. -
Hey guys, thanks for the replies! (We are noobs so sorry if some of this seems obvious or is completely wrong) @joshuaho96 I did go looking for the FPCM (after googling) but it's an old drift car so I think that has been bypassed already, the fuel pump is wired directly to the battery. @MBS206 OK I'll double check vacuum lines. I'm just looking at the FPR gauge, shows around 40PSI while priming and idle, until instant drop to 0, not even a slow drop, like instant. -
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@Butters I can't tell you why but the bigger HKS step 2 cams improved low and mid end immensely. Turbos started spooling about 1k RPM less than before and the idle/vacuum was rock solid, it was an absolute thrill to drive, 3rd gear pulls hit 180kmh where previously only managed 160. Conversely, the milder poncoms in there now have a funky idle making it harder to get off the line, drives poorly in lower revs, laggy and makes less power/torque throughout. Feels better after I swapped the EBC but unless I put it on the Dyno again, I can't say how much better.
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