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After 24x I had a P1336 and check engine light indicating that the case relearn needed to be performed. Did that with hptuners and it got rid of the code and light but didn't change anything as far...

Spent an afternoon with the car and ve/maf tables looked great. Do people who run open loop adjust their tune for the seasons or something? Like a summer and winter file?

Also I have a...

Yeah I got that about lambda and eq being opposites. Not confusing at all! :rolleyes: And I was hoping that wasn't the case about my VE/MAF tables. It's probably VE though. When I drove around in...

Finally got a dry day to try out open loop. The car is silky smooth! I'm running open loop with MAF and it feels great. Right now I've got table values set at 0.93 for cruising and idle. My...

Yes! You're right that makes sense. When I was manually controlling AFR with the VCM controls, it seemed to feel better in the 12's than it did in the 15's. That got me confused. So today I tried...

Thanks for the suggestion. However, I had a Spec lightweight flywheel when the car's engine was still stock and it was silky smooth. That convinced me this engine can be smooth with a lightweight...

TTT. Would still like to know what ISP stands for. Also experimented with throttle cracker and got it to work. Just had to enable rolling idle. Now it behaves much more predictably and I have...

Made some more progress again these last few days. Read this marathon thread about EOIT and used the Excel worksheets to figure mine out:...

Did a lot of trial and error tuning today. Discovered the engine likes to cruise with spark at 39-40*. As I got closer to 30* the bucking would just get worse. Then made it up to 43* before it...

Here's a log of the car running edcmat's timing table. It was still quite jerky. Afterward I adjusted the timing down even farther in the cells where cruising happens (1400-2000 rpm and 0.20-0.28...

Drove home and the sluggish feeling wasn't there but it was still jerky as ever. Timing while cruising was 33.5*.

Loaded your file and drove it to work. The drive was about 3.5 miles and speed limit was 35mph. Unfortunately the car doesn't feel any different. It does feel more sluggish though. The exhaust...

Interesting about the injectors. Okay, a log is now attached to my first post of the car cruising in all 6 gears and ending at idle. Cruising was nice and smooth in 6th only. Car is as follows:
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I've recently completed the 24x conversion for my LT1. It runs pretty well except it jerks/bucks while cruising slower than 60mph. I dialed in my VE table with the help of this guide:...