hello friends, currently at certain times especially going up and it doesn't always seem that I have some pinking in my MPi, any ideas?
Pinking Mpi
Started by
Pablov
, May 16 2022 05:31 PM
5 replies to this topic
#2
slidehammer
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One Carb Or Two?
- Location: Surrey
- Local Club: LSMOC
Posted 16 May 2022 - 06:48 PM
what fuel are you running it on, Is it Super unleaded?
#3
Pablov
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Learner Driver
- Location: El Entrego
Posted 16 May 2022 - 09:31 PM
98 octane gasoline, ngk bpr6e spark plugs
#4
Steve220
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Up Into Fourth
- Location: Shropshire
- Local Club: BMC
Posted 18 May 2022 - 05:19 PM
The only way an MPi will ever get close to 'pinking' (pre-ignition is the correct term) would be if the piston crowns or valves were thick with carbon. You sure its not valve or running gear clatter?
#5
Pablov
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Posted 18 May 2022 - 05:42 PM
the problem is that it is not always, it does not do it when stationary. If it were the connecting rod bearings, I understand that with load it would always do it. The same as the sprockets or valves
#6
sonscar
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Up Into Fourth
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Posted 18 May 2022 - 06:42 PM
Pinking usually occurs under load,full throttle in a too high gear can cause it.I agree that a mechanical engine related defect is the problem.An often overlooked aspect of injected cars is that they suffer all the old carb cars foibles as well as all the injected problems.If it is pinking piston damage is likely to happen.Steve..
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