Rotary -rpm's reading too high
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0). For tuning/troubleshooting questions, please attached a datalog and your MSQ file to your post.
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
Rotary -rpm's reading too high
I have an MS1 w/ v3 board installed on an 85 rx7 with an SE 13b. The rpm's that are read on megatune are about 1k rpm higher than what the tach shows. I have tried both the leading and trailing coils with the same result on each. I'm wondering if rpm spikes are causing this or if there is something special that needs to be changed for a rotary engine. Thanks in advance for any advice.
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Mike_Robert
- MegaSquirt Guru
- Posts: 84
- Joined: Fri Apr 09, 2004 5:55 am
- Location: FL, USA
Re: Rotary -rpm's reading too high
The tach on my 83 is about 600 rpm optimistic after 5500 or so. I'd be suspecting the tach itself. If the car's running fine you probably don't have a noisy trigger to the MS.