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car bogging during WOT?

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Old 12-04-10, 08:56 AM
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SC300_704
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Default car bogging during WOT?

well it all started when the weather got cold. most of the time if i were in 3rd gear and floor it, it will start to bogg during the higer rpms. it will do the same if i were to shift it to 4th as well. i've check the spark plugs and they look fine, i'm running the Denso ik27 spark plugs and they come w/ .030 gap. this is on a t4 Turbonetics 60-1 .58 a/r and on 15 psi. when i do get it to not bogg the wideband shows 11.2-11.5 which seems right. car was running perfect during spring and summer and it was on the exact same setup, nothing changed. i would thought maybe the car would run a lot better during the cold weather. btw i'm also running the map ecu 2.
Old 12-04-10, 07:40 PM
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good2go
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Originally Posted by SC300_704
well it all started when the weather got cold. most of the time if i were in 3rd gear and floor it, it will start to bogg during the higer rpms. it will do the same if i were to shift it to 4th as well. i've check the spark plugs and they look fine, i'm running the Denso ik27 spark plugs and they come w/ .030 gap. this is on a t4 Turbonetics 60-1 .58 a/r and on 15 psi. when i do get it to not bogg the wideband shows 11.2-11.5 which seems right. car was running perfect during spring and summer and it was on the exact same setup, nothing changed. i would thought maybe the car would run a lot better during the cold weather. btw i'm also running the map ecu 2.
Isn't that one range too cold of a plug and slightly wider gap than necessary for your engine setup?
Old 12-04-10, 11:07 PM
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Originally Posted by good2go
Isn't that one range too cold of a plug and slightly wider gap than necessary for your engine setup?
well i read a thread on here that you should run this particular spark plug if you're aiming for 400-500 whp..? that's pretty much why i got it lol...
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