uh........ bung hole?
Thread: Installing bungs for sensors
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09-30-2011 11:18 AMBoat-less...
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09-30-2011 01:56 PM
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09-30-2011 08:17 PM
I can see if you are doing different kinds of sweeps and loads on a dyno how the jetting would be different.
Lets say you make 500HP @ 4000RPM and it is loaded on the dyno. Your butterflies are at "X" position on the carb so you jet accordingly. Now when you are in the boat and cruising at 4000RPM your butterflies might now be in "Y" position cause you are cruising and maybe not loading the engine to the potential 500HP, you might only need 450HP to cruise at 4000RPM. With the different throttle positions Vs RPM's you might see a different signal to the carb which might affect jetting.
Mine was also a little different on the dyno then when I put them in the boat. And I was the one with the hand held Innovate LM1 AFR reading the numbers with the dyno guy. We spent 4hrs tuning my easy carb engines.
Also different exhaust could have affected his jetting. Maybe the builder and dyno guy wanted it safe when he left the shop.
Just my $0.02
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10-01-2011 12:04 AM
Hey Jason,
Unfortunately not anything done yet - a few too many high priority things have taken over lately. Thanks for asking.
JeffPeople we meet in life are either a Blessing or a Lesson
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10-01-2011 12:33 PMLast edited by MOBILEMERCMAN; 10-01-2011 at 01:12 PM.
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10-01-2011 06:59 PM
no lorazo came to the marina and took my boat for a ridewe work on my fuel lines and carb the headers on the dyno were not the same as what i have in the boat. so i got a a/f box and dail my baby in!! very happy here me racing a supercharge wave runner that has mods .he runs 71mph on gps . http://www.youtube.com/user/SuperBaj.../2/jmnD9VV_jB0
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10-01-2011 07:59 PMNice. Is that in the Delaware River somewhere?????
Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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