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Search: Posts Made By: llafro
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Yesterday, 04:43 PM
Replies: 21
Views: 659
Posted By llafro

I would put a Magnacharger kit on a 5.3 all day...

I would put a Magnacharger kit on a 5.3 all day long. I have had one on my 2004 GTO for 11 years and 75k miles. I daily drove it for several years with the kit and not one issue related to the...
06-20-2019, 07:46 PM
Replies: 9
Views: 1,038
Posted By llafro

So, you're what you're saying is this: ...

So, you're what you're saying is this:

https://cimg2.ibsrv.net/gimg/ls1tech.com-vbulletin/480x480/52268849_2808552829370688_3860632107436882569_n_d66ca997197dce7abb376bcc54469f91c0acd610.jpg
06-20-2019, 07:41 PM
Replies: 11
Views: 720
Posted By llafro

I used the GTOG8TA.com shifter and it's great....

I used the GTOG8TA.com shifter and it's great. The not springing back part is normal. It doesn't spring to center like a normal shifter. When shifting into first, you have to push the shifter to the...
03-25-2019, 07:52 PM
Replies: 13
Views: 543
Posted By llafro

I can do it for only the cost of the credits for...

I can do it for only the cost of the credits for your PCM. In the San Fernando Valley.

But, if you're going in for $100 in credits, it makes sense to buy the MPVI2 from HP Tuners and have access...
03-08-2019, 03:35 PM
Replies: 54
Views: 2,987
Posted By llafro

It's fairly easy to set up. You add the PID for...

It's fairly easy to set up. You add the PID for either EGR voltage or AC pressure sensor voltage to the list of parameters to monitor. Then, go into "Math Parameters" to create the custom calculation...
03-07-2019, 07:26 PM
Replies: 54
Views: 2,987
Posted By llafro

I fought with an AEM UEGO wideband controller...

I fought with an AEM UEGO wideband controller much like you did and finally just gave up and used an analog input for the EGR on one car and later the AC pressure PID on my own car. Both work...
02-11-2019, 10:02 PM
Replies: 11
Views: 1,185
Posted By llafro

If itís the pressure plate, that doesnít explain...

If itís the pressure plate, that doesnít explain the transmission whine when in gear. It whines in first, second and third, but not fourth. From all I have seen, the whine is characteristic of...
02-10-2019, 08:33 PM
Replies: 11
Views: 1,185
Posted By llafro

The transmission has a whining noise in first,...

The transmission has a whining noise in first, second and third. It gets louder when shifting. The noise is gone in fourth gear. From what I have seen, it sounds like a bearing problem, combined with...
01-29-2019, 08:12 PM
Replies: 10
Views: 617
Posted By llafro

I have mine wired up through the AC Pressure...

I have mine wired up through the AC Pressure interface. There are three wires on the AC pressure sensor - ground, 5 volt reference and signal. You attach the output from the wideband to the signal...
01-28-2019, 07:19 PM
Replies: 11
Views: 1,185
Posted By llafro

The master cylinder is a stock non-adjustable...

The master cylinder is a stock non-adjustable type. I will have to try bleeding it. It has a remote bleeder on it that makes it a lot easier. It's also got a noise shifting 1-2 and 2-3 that sounds a...
01-27-2019, 06:56 PM
Replies: 43
Views: 1,742
Posted By llafro

I adjusted the MAF scaling to give it more fuel....

I adjusted the MAF scaling to give it more fuel. It wound up needing 12% additional fuel towards the top. I may even still add a bit more. I cut as much as 4 degrees of timing in places as well. I...
01-24-2019, 02:34 PM
Replies: 3
Views: 424
Posted By llafro

You should be able to find a gauge sender that...

You should be able to find a gauge sender that has the right ohm range and either the correct thread, or a smaller thread that can be adapted directly. Go to a Napa store and look at the catalog for...
01-24-2019, 02:23 PM
Replies: 3
Views: 417
Posted By llafro

I had a failed thermostat and it behaved exactly...

I had a failed thermostat and it behaved exactly as you describe. Some of the thermostats are a failsafe design that defaults to open when they fail. That means low temperatures on the highway and...
01-18-2019, 03:33 PM
Replies: 8
Views: 684
Posted By llafro

I'm using the AC pressure sensor PID to input the...

I'm using the AC pressure sensor PID to input the wideband data on my car. I have a single pole, double throw switch wired into the AC pressure wiring that allows it to either function as normal or...
01-18-2019, 02:47 PM
Replies: 3
Views: 311
Posted By llafro

PE mode can be enabled by throttle position, MAP,...

PE mode can be enabled by throttle position, MAP, and/or commanded torque percentage (at least on my 04 GTO).
01-17-2019, 02:27 PM
Replies: 0
Views: 213
Posted By llafro

Need help tuning 5.3 in 87 Trans Am

I am helping a friend tune the 5.3 we put in his 1987 Trans Am. It's an aluminum block 5.3 with an LS2 cam. The intake is an LS6 with injectors out of a 2004 GTO. It uses a 2000 Camaro wiring harness...
01-11-2019, 06:56 PM
Replies: 25
Views: 1,477
Posted By llafro

I bought a Dell Inspiron laptop for $250 brand...

I bought a Dell Inspiron laptop for $250 brand new. It does everything I need for tuning and general web surfing. The track pat isn't the greatest, and tends to select things when I didn't mean to...
01-09-2019, 01:22 PM
Replies: 11
Views: 1,185
Posted By llafro

Hard to shift T56 at redline

I am having trouble shifting my T56 LS1 GTO. It only appears near redline and full load. Shifting from first to second or second to third is essentially blocked until the RPM drops. It comes out of...
01-04-2019, 07:30 PM
Replies: 43
Views: 1,742
Posted By llafro

I just got a package with AC Delco part number...

I just got a package with AC Delco part number 12615136 - 2-bar map sensor. I'm going to try to sort out the existing tune first, and then play around with the 2-bar tune. Because I have to pass smog...
01-03-2019, 09:22 PM
Replies: 43
Views: 1,742
Posted By llafro

This is the method I found: In order to...

This is the method I found:

In order to properly dial in a MAF curve via wideband, you have to:

1) Make absolutely sure you're only working off the MAF. Set the "min RPM to disable dyn_air" to...
01-03-2019, 04:49 PM
Replies: 43
Views: 1,742
Posted By llafro

Thanks for the advice on how to do it right...

Thanks for the advice on how to do it right (tuning on the MAF) versus using the EQ ratio. I knew the data for fueling had to be coming from somewhere. So if I understand this right, the MAF is...
01-02-2019, 08:08 PM
Replies: 43
Views: 1,742
Posted By llafro

It looks like from the log and from driving the...

It looks like from the log and from driving the car while keeping an eye on the AFR that it's consistently running leaner than desired. In the screen shot I took, it's commanding an AFR of 11.35 and...
12-31-2018, 01:45 PM
Replies: 43
Views: 1,742
Posted By llafro

The tune is exactly what Magnacharger provided...

The tune is exactly what Magnacharger provided from new. It's a single-bar MAP tune and runs about 6 lbs of boost. I have a 2-bar converted version of the OS that I will eventually put on there. I...
12-31-2018, 01:36 PM
Replies: 43
Views: 1,742
Posted By llafro

I finally got the wideband installed on the car....

I finally got the wideband installed on the car. I had Speedut make me a custom gauge/controller that matches with the rest of the gauges I already had. Of course, the backlighting is a bit too...
12-18-2018, 08:02 PM
Replies: 43
Views: 1,742
Posted By llafro

Thanks for the suggestions. I will give this a...

Thanks for the suggestions. I will give this a try. I think it may be running a bit leaner because of the increasing percentages of ethanol in the fuel. This same tune has been in there since the day...
Showing results 1 to 25 of 40
 


 
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