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Can someone help explain the fuel cutoff? I am running an LD9 bottom end with an 086 head and cams. I am running an MP62 supercharger. This car is a 5 speed an pulls very well.

Problem is the...

Thanks Brian, you explain much better than I could. I definitely feel better driving it since I was worried about the misfire.

BTW, I need to thank you a for a rock solid build. I wanted a...

Finally got the wideband and HPT hooked up yesterday. Readings were lean under all conditions. Moved the fueling table up. It will now idle smoothly at 1000 rpm setting. At idle and under low load...

Yah I'm on GAOC. Same username. I haven't posted stats or pics yet. Wanted to get it up and running before I posted. BTW, always thought your set up was well put together.
I have been over here,...

2000 Grand Am. I used to run my original 2.4 twin cam with M45 sc (gm supercharger kit) so already 5 speed flashed.

new motor:

Bottom end, eagle rods, wiesco pistons .020 over.
GM 95 HO head...

I read about their widebands, you are correct and thanks for the input.

The LM-2 is the MTX system, it's the 1 channel version. Thanks for the input. Gonna spend 300 plus so want to make sure it will do the job.

It is a 2.4 twin cam bottom with an HO quad head and cam.

Thanks for the suggestion, trying to work out a time with speedracer but gonna install a wideband first.

Any thoughts on "innovative...

I started a thread concerning my motor build. I now have a question and request.

I need a tune. I live in Kenosha, WI. 53142. After calling many shops I am coming up with no professionals willing...

Thanks for the input, that's sure what I hope.

Wanted to give an update. Car will idle at 850 rpm. It is throwing a p0300. When I am cruising with any load the motor seems to calm down. The codes will disappear until I slow or stop. I can watch...

I finally found a wiring problem, vss. Got that fixed. Idles down now. Still using listed setup.

Got a new problem now. Brand new clutch slave is pissing out the bottom of the tranny. I'll be back...

Been injured and sick all week. Getting back to it today. Air, fuel, spark. Gonna throw my old PCM in to see if it will fire. I can't imagine it fried but you never know. Going to check ignition...

When it last started it started at 2000 and quickly dropped to 1200 (this seems normal to me when cold). After 20 seconds it started advancing timing and RPM's jumped to over 3500.

I did give it...

I posted in the intro section last week. I have been searching around, definitely a lot of info here.

I had been running a 2000 Grand Am with a 2.4 Twin Cam. Bolted on the M45 GM supercharger....

Hello all. My name is Craig. I logged on hoping to get my new setup tuned and running correctly. I paid my sponsor for HPT credit but he is either unable or unwilling to adjust the parameters. So I...