4g63 COP stock trigger Rev issue, lost sync 38

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PUMPISH
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4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

Hi

We run 4g63 stock cas trigger, 4 cop with 4 intern ignitors.

It runs very well but can not rev above 6300 RPM and get lost sync reason 38

Here comes logs
PUMPISH
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

more logs, engine cuts rpm at 6300-6400 but no sync loss
PUMPISH
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

sync error logger
PUMPISH
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

more composit log with error
Matt Cramer
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by Matt Cramer »

Looks like it's losing the CKP signal intermittently. You might need to adjust the pull up or trim pots on the MS3X board.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
PUMPISH
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

Matt Cramer wrote:Looks like it's losing the CKP signal intermittently. You might need to adjust the pull up or trim pots on the MS3X board.

Thanks!

By pull up you mean R52 and R56?

I did not know they were useful when using Hall
PUMPISH
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Re: 4g63 COP stock trigger Rev issue, lost sync 38

Post by PUMPISH »

adjusted 52 and 56 and now can rev up to 7300 rpm
Will try to adjust ms3x pots.

Need 9000rpm rev limit
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