injector conversion
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Racer
Joined: Apr 2002
Posts: 342
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From: new orleans La
injector conversion
what is the conversion calculation?: from pounds/hr to grams/sec.
I was finally able to view my tune from ED Wright.He has my Bosch 30# injectors set at 7.764 gm/s. which appears high since the stock 28#'s were at 3.403 gm/s.
I was finally able to view my tune from ED Wright.He has my Bosch 30# injectors set at 7.764 gm/s. which appears high since the stock 28#'s were at 3.403 gm/s.
Instructor
Joined: Aug 2004
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I was finally able to view my tune from ED Wright.He has my Bosch 30# injectors set at 7.764 gm/s.
Thread Starter
Racer
Joined: Apr 2002
Posts: 342
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From: new orleans La
Originally Posted by Blower91
Did you use Tuner Pro or some other program to view the constant? Do you know the Hex-number? I have #30 injectors and my EPROM has 150 hex (336 decimal) at address 841C-841D hex (8D mask, yours might be different).
I used LT1 Edit OBDII. I was pleasently surprised that I was able to read Ed's tune because I've heard that Ed locksout his tunes from being read.
As many of you may know I have been chasing some drivability problems ever since my rebuild. ie: surging idle, stumble on accelleration, stumble when retuning to idle, knock retard, fauled plugs,
long term trims at 25%, short term trims at 50%. and all along Dave at Ed's was telling me my problem was mechanical and not in the tune.
I've been told by Bryan at Pcmforless that 7.764 gm/s is the equivalent to 60# injectors, I have 30# hence ALL my problems. He recommended I change it to 4.019 gm/s, now the car the car runs great and all those drivability issue are gone.
I'll never use or recommmend Ed wright again.
Instructor
Joined: Aug 2004
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He recommended I change it to 4.019 gm/s
Anyway, good you car runs great
Thread Starter
Racer
Joined: Apr 2002
Posts: 342
Likes: 0
From: new orleans La
Originally Posted by Blower91
I agree with Ski that 3.78 g/s is correct for #30, this is what I use in mine too. I think 4.019 is closer to #32. During open loop it might run a little lean, I don't think it would hurt to check this. During closed loop the ECM should be able to handle a 7 % variation... I'm sure someone will let us know if I'm in error.
Anyway, good you car runs great
Anyway, good you car runs great
yeah...I'm going to play around with some of the numbers...I hope to get it on the dyno soon as well. my long terms are staying at 0% and the short terms are varying between +/- 3%.
