advice ... sniffer ?
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Cruiser
Joined: Jan 2011
Posts: 205
Likes: 3
advice ... sniffer ?
2010 Road King when i purchased new they (the dealer) did stage 1 and dynoed using a tts mastertune ... ran great ... last spring i swapped out the headpipe with a fuelmoto (no cat) and went from 2." baffles to 2.5" baffles in my Rush slip-ons ... still ran great ... i dont use my original dealer ( long story) ... but my next dealer ( that swapped out the headpipe for me ) said it would be okay ... that the 02 sensors would adjust some ... plugs are 2/3 thirds white with blended light grey ... they say looks fine on this bike ... stopped at another dealer and they said plugs look a little lean ... they told me they had a sniffer they could check it with ... i dont no much about this ... opinions: dont wont to spend money i dont have to ... but .. should i just get it re-tuned with the tts or let them use this sniffer thing or listen to the dealer that works on it and says everything is fine ....
Road Captain
Joined: Jan 2013
Posts: 576
Likes: 20
From: Eau Claire, WI
if the plugs are that light, you're running lean. No need for a sniffer to tell you that. fine tune it. They must just make the dealer mechanics sit in a room for 10 hours a day chanting "that's normal" durring training. Man that's their stupid answer for everything.
Seasoned HDF Member
Joined: Jan 2011
Posts: 157,462
Likes: 57,017
From: Michigan 15 Minutes East Of Hell
The "sniffer thing" actually measures AFR ( Air Fuel Ratios ) and is one of the most ( if not thee most ) accurate method of diagnosing combustion specifications.
http://en.wikipedia.org/wiki/Air%E2%80%93fuel_ratio
http://en.wikipedia.org/wiki/Air%E2%80%93fuel_ratio
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
white plugs dont tell you anything in an EFI, It requires O2 analysis to verify your AFR and tune condition. Plugs will continue to appear grey/white down to the low 13s, NOBODY can tell anything usefull by "reading" plugs in an EFI.
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Cruiser
Joined: Jan 2011
Posts: 205
Likes: 3
I was told that about white plugs .. a lot of different info out there .... confusing ... also thanks for the sniffer info .... appreciate the input ....
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Premium Sponsor
Joined: Jul 2009
Posts: 967
Likes: 40
From: Reno, NV
Very true on the EFI. You can't tell anymore. Not like you used to be able to.
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