I was looking at pictures of the V12 engine found in the Toyota Century. Then I noticed the spark plug/coil arrangement: Interesting.
Pros: interesting spark plug arrangement
Vehicle:
Toyota Century
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Replaced spark plugs with genuine VW Bosch units
Pros: genuine VW units
Vehicle:
Volkswagen Jetta
I have the similar motor as the 740 you posted. These cars are super simple to work on and nothing major really goes wrong with them. If you do run into issues you can find DIY help on the internets and parts are dirt cheap.
Pros: simple to work on, parts cheap
Vehicle:
Volvo 740
As for the plugs, I bought [these NGK plugs]
Pros: easy to do
Vehicle:
Audi S5
NGK spark plugs are fine.
Pros: spark plugs are fine
Been running NGKs in Sportsters forever with no issues. Good plug.
Pros: good plug, no issues
Denso IKH24 plugs gapped to 0.024". 6,900 miles. APR Stage 2 tune. Only issue was CEL error when we installed the Unitronic downpipe and flashed to the stage 2 tune. After troubleshooting and contacting APR, they had my shop re-flash to a stage 2 beta file, no more CEL error.
Pros: fixed CEL error
Cons: CEL error initially
Vehicle:
Volkswagen
Mileage: 11046 km
I have tested the BCPR7EIX which did not make any difference to my car. I felt that the standard plugs worked well vs these.
Cons: did not make any difference
Vehicle:
Volkswagen Golf
Part number: BCPR7EIX
Replaced the plugs -- BKR8EIX per the hstuning blog. I'm still getting the misfires...
Cons: still getting misfires
Vehicle:
Volkswagen Golf
Part number: BKR8EIX
I'm Stage 2+ with r8 coil packs and ngk BKR7EIX and still get misfires. I'm not happy about it and I'm not sure what to do.
Cons: still get misfires
Vehicle:
Volkswagen Golf
Part number: BKR7EIX
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