dalek
Benchracer Tribe
- Joined
- Oct 18, 2005
- Location
- Orange Alert, NC
Probably this is a bit of a FAQ, but is there a difference between both in stock engines?
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Fuel Pressure Regulator: NA vs turbo
- Thread starter dalek
- Start date
2manyturbos
Moderator
- Joined
- Mar 8, 2003
- Location
- Monroe, OR USA
I think that is true with the LH 2.2 systems. With the LH 2.4 system both the NA and turbo run 3.0 bar regulators.
Estateman
K-Jet or Bust
- Joined
- Jan 29, 2018
- Location
- Dallas, TX
Sorry to threadjack but I would imagine running the 3 bar on a LH 2.2 system cause issues? Any gurus know this answer.
84B23F
Well-known member
- Joined
- Feb 11, 2008
- Location
- Kansas, USA
Computer program was designed around a specific fuel injector in lbs./hr and a given rail pressure (FPR).
LH 2.2's FPR is a different "animal" from LH 2.4's FPR...like it won't fit. A moot question.
There is some fudge room for different fuel injectors not to OEMs specs. IIRC, on my LH 2.4 and Rex-I/Regina based engines, I'm running a pinch higher lbs./hr injectors. In open loop (cold starts), they add a pinch more fuel, but in closed loop, the computer controls their fuel output. On LH 2.4 based engine, I have to increase RPM after starting cold...or engine flooding might happen, but it starts just fine in cold, and I mean cold weather.