Redline cut-out
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Redline cut-out
In 2nd, 3rd or 4th gear between 6700 and 8000 rpm my engine cuts out a bit (86 na). It ranges from a slight hesitation to momentary (less than a second) complete loss of power. What might cause this? Is there a rev limiter that cuts gas supply that could be malfunctioning? ECU farts or something? Otherwise my motor runs great.
Any ideas?
Thanks,
Eric
Any ideas?
Thanks,
Eric
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Thanks for the ideas. BTW, I didn't know there was a rev limiter. What RPM is it set at ('86 NA). How does it work (does it cut the spark? the fuel?)?
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Can clogged cats caust that? It's transient, so it ocurrs say, depending on the gear, at like 7000-7200 rpm and then goes away from 7200-7500 rpm (I usually shift at 7500-7600 rpm).
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I think I have it figured out. The hesitation around 7k RPM has gone away after adjusting my timing back to TDC (it was set at 5 deg BTDC at idle). The major cut-out at 7800 rpm is still there, I think it's the rev limiter. I guess 5 deg BTDC is a bit too much even for an na, esp on 87 octane pump gas.
-Eric
-Eric
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