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Beginner tips to tuning a standalone ecu
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<blockquote data-quote="Thrasher13" data-source="post: 13073970" data-attributes="member: 150759"><p>Thanks for the help, I checked out EEC and it seems to have some good info in it. I'm most Likely going to get efi live to run my tune for daily driving so it can just adjust my cruising speed. I've been playing with my timing some today and have been trying to work the bugs out of my car before installing the megasquirt. Just wondering if any of you guys have some ideas what could be going wrong. I've been running 24.6 base timing which turns out to give me 44.5 total timing. At times my car would randomly skip (more often under a heavier load). Today I set my base to 10 which gave me 32 total. The car seemed to drop off power with about 40% throttle and around 3500 rpms. It's hard to explain what it does, it's not a skip but more of a lag cuz the car still drives a pulls. So I changed to 12 base timing and it seemed to help but still was there at 70% throttle and now I'm at 14 base and it's gotten even better but still seems to lag. I'm sure I could go with more timing and get better but there is obviously a problem present. If anyone has any ideas I would greatly appreciate it. I'm out of ideas, I've changed the distributor out (with a used one) changed the ecu with one that I know is fine, today I tested my icm at my local Oreilly and was hoping that was the issue but it tested good all 10 tests. I'm starting to think its a possible ground issue or possible vacuum leaks. Any ideas? Or ways to trace out my issue? I'm afraid it's till going to do this with the megasquirt and cause tuning to be extremely difficult.</p></blockquote><p></p>
[QUOTE="Thrasher13, post: 13073970, member: 150759"] Thanks for the help, I checked out EEC and it seems to have some good info in it. I'm most Likely going to get efi live to run my tune for daily driving so it can just adjust my cruising speed. I've been playing with my timing some today and have been trying to work the bugs out of my car before installing the megasquirt. Just wondering if any of you guys have some ideas what could be going wrong. I've been running 24.6 base timing which turns out to give me 44.5 total timing. At times my car would randomly skip (more often under a heavier load). Today I set my base to 10 which gave me 32 total. The car seemed to drop off power with about 40% throttle and around 3500 rpms. It's hard to explain what it does, it's not a skip but more of a lag cuz the car still drives a pulls. So I changed to 12 base timing and it seemed to help but still was there at 70% throttle and now I'm at 14 base and it's gotten even better but still seems to lag. I'm sure I could go with more timing and get better but there is obviously a problem present. If anyone has any ideas I would greatly appreciate it. I'm out of ideas, I've changed the distributor out (with a used one) changed the ecu with one that I know is fine, today I tested my icm at my local Oreilly and was hoping that was the issue but it tested good all 10 tests. I'm starting to think its a possible ground issue or possible vacuum leaks. Any ideas? Or ways to trace out my issue? I'm afraid it's till going to do this with the megasquirt and cause tuning to be extremely difficult. [/QUOTE]
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