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93 lx
Apr 30, 2010 10:44:35 GMT -5
Post by 93lxturbo on Apr 30, 2010 10:44:35 GMT -5
im not sure what im trying to say.. its on 18psi "this is with the vacuum off and set to 40"the fuel pressure at 32 or so with it hocked back up it starts cutting in and out... if i just set it to 40 with the vacuum on it will run
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93 lx
Apr 30, 2010 11:20:15 GMT -5
Post by Stinger on Apr 30, 2010 11:20:15 GMT -5
So it's too rich with increased fuel pressure...
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93 lx
Apr 30, 2010 12:14:56 GMT -5
Post by 93lxturbo on Apr 30, 2010 12:14:56 GMT -5
yep i thank it is.. it runs on the wideband at idle 13.1
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93 lx
Apr 30, 2010 21:37:46 GMT -5
Post by Stinger on Apr 30, 2010 21:37:46 GMT -5
So quit adding fuel lol! What's the afr under boost?
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93 lx
May 1, 2010 7:43:02 GMT -5
Post by 93lxturbo on May 1, 2010 7:43:02 GMT -5
its been running 10.0 but last night it started cutting in and out started off as 10.0 and dropping to a 12.1 or so.. im putting the 75lb injectors back in it today the the ms2 will be here Monday or tuesday. what should i put the fuel presser at with the 75lbs..
i thank the big problem is the 2.73 gear its spiking and i have to run it to 6k for it to do anything.. the wastegate is a tial 35mm i need to put a 38mm on and see if the spiking stops
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93 lx
May 1, 2010 11:03:20 GMT -5
Post by Stinger on May 1, 2010 11:03:20 GMT -5
10.0 is WAY rich. Not sure why you'd be trying to run it there but 11.5 or 12.0 is much better.
The standard fuel pressure for injectors is 43.5psi with the vacuum line removed. That's where you set it to get 75lb's of flow out of them.
The gears have nothing to do with how it runs (other than how strong it pulls).
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93 lx
May 1, 2010 13:54:12 GMT -5
Post by 93lxturbo on May 1, 2010 13:54:12 GMT -5
with the brown tops? im supposed to set it to 40 with the vacuum off right..
I dont have the 02 plug in.. i was thanking the ms2 was going to come 2 months ago. that could be making it run rich..
I need to get to the bottom of the boost creeps then.. with no boost controller on it, just running off wastegate it will creep to 15psi at 5500rpm
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93 lx
May 1, 2010 14:25:48 GMT -5
Post by Stinger on May 1, 2010 14:25:48 GMT -5
No, you asked what pressure to set the 75's to so that's what I answered...
The 02 sensor has no effect on wide open throttle air/fuel ratio. It does effect idle and cruise though.
As long as you can control the boost level with a boost controller, it's fine.
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93 lx
May 1, 2010 14:50:52 GMT -5
Post by 93lxturbo on May 1, 2010 14:50:52 GMT -5
i know i was asking if that was the right way to set the presser on the 35lbs
with the boost controller on and it set to 15 it creeps to 18psi around 5500rpm..
its not wanting to make full boost until 4000 rpms?
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93 lx
May 9, 2010 22:58:32 GMT -5
Post by Matt Culpepper 2300gearjammer on May 9, 2010 22:58:32 GMT -5
Bought megasquirt for a car with 2.73 gears. eeh
I know youre off onto other things but for whats its worth those gears should make the boost come up sooner in the rpms because it makes the engine work harder.
Is this with a stock head? Are you sure its a tial brand wastegate?
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93 lx
May 10, 2010 15:27:04 GMT -5
Post by 93lxturbo on May 10, 2010 15:27:04 GMT -5
im working on the gear.. i have the head in the shop right now.
yes it a stock head not having any work done to it as in porting it.. valve seat were shot
yep its a tial brand wastegate 35mm and its about 5 or 6 years old it was a friend..
what other things im i off to? other then the motor is apart again lol
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93 lx
Jun 18, 2010 22:23:34 GMT -5
Post by 93lxturbo on Jun 18, 2010 22:23:34 GMT -5
i ran it at the track today my beat time with the 2.73 gear was a 9.5 at 78mph. i have a 245 50 r16 gf tires, the pressure was at 25psi.. it would not stop spinning.. the 8.8 is missed up now its 1 wheel wheeling down the track.
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93 lx
Jun 19, 2010 15:19:22 GMT -5
Post by Stinger on Jun 19, 2010 15:19:22 GMT -5
That's a 14.8 or so in the 1/4, about what an SVO ran stock with a good driver. How much boost? Can you post the timeslip info from start to finish?
Also, can you post a screen shot picture of your timing map and ve map of your MS2 tune?
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93 lx
Jun 19, 2010 17:51:19 GMT -5
Post by 93lxturbo on Jun 19, 2010 17:51:19 GMT -5
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93 lx
Jun 19, 2010 19:01:52 GMT -5
Post by Stinger on Jun 19, 2010 19:01:52 GMT -5
Holy crap, you need to learn how to slip the clutch to prevent the tires from spinning in 1st and cut that 60' down to 2.0-2.1.
I don't want the msq, just post or email the two screen caps. I want to see where it can be improved.
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