O2 guage
#11
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iTrader: (4)
I was getting readings in the 9s and 10s before tuning and my boat was black, and would require new plugs after 20 hrs or so. At 8 I would think your engine would sound like 8 lawn mowers running. Also you should see some dancing in the numbers, if it is just locked on one exact number something is wrong
#12
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I was getting readings in the 9s and 10s before tuning and my boat was black, and would require new plugs after 20 hrs or so. At 8 I would think your engine would sound like 8 lawn mowers running. Also you should see some dancing in the numbers, if it is just locked on one exact number something is wrong
#14
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Thread Starter
The O2 sensor is working since it reads 20.9 O2 ( atmospheric oxygen level ) and I did calibrate it outside the header.
My EGT's are low (1200*)
I can read the O2 and air/fuel levels off of the laptop bypassing the gauge.
I have dry headers.
My EGT's are low (1200*)
I can read the O2 and air/fuel levels off of the laptop bypassing the gauge.
I have dry headers.
#15
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iTrader: (4)
8 afr is damn near a hydro-lock. It would be lazy, want to stall, load up, and sound like crap.
I'll ask again, is it locked on a number or is it moving around? Where is is at idle, cruise and wot? If you say 8 all the time something is not working
#16
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Just because it reads 20.9 in free air doesn't mean the sensor is good. 8's are pig rich, it will be a DOG. If it truly is in the 8's you are destroying the rings and cylinder finish.
#17
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do the plugs say its running in the 8's?they will be black.
#19
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iTrader: (1)
Is this engine on gasoline or E85 ?
#20
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Thread Starter
It is running on 93 octane. ( 10 to 1 ratio ) I ran it on 89 in the SCARAB. The pistons are 0 decked.
The sensor was working - Last night I was able to get a reading on the laptop that was plugged into the system. The gauge was not working.
It is working now.
I changed the ignition switch and some of the wiring under the dash. ( the wiring on this boat is atrocious ) I test fired the engine and I got a reading on the laptop and the gauge.
I will dial the engine in this weekend.
I have two of the HP 950's so I can TINKER with one while still having a non tinkered model on hand.
The sensor was working - Last night I was able to get a reading on the laptop that was plugged into the system. The gauge was not working.
It is working now.
I changed the ignition switch and some of the wiring under the dash. ( the wiring on this boat is atrocious ) I test fired the engine and I got a reading on the laptop and the gauge.
I will dial the engine in this weekend.
I have two of the HP 950's so I can TINKER with one while still having a non tinkered model on hand.
Last edited by Tinkerer; 08-15-2014 at 10:31 PM.