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M
Something else just popped into my head. I have very little experience with non OEM props.
You have a non Mercury prop. I don’t sell...
Aug 12, 2026
M
I thought you said you dropped 2” in pitch?
Generally speaking, a little boat like this, that should have a 19” prop will become a dog...
Aug 12, 2026
M
My money is still on.
propping
starting voltage
fuel
Aug 10, 2026
M
My guess is that vacuum changing fuel pressure by about 10% isn't going to change GPH by 30%. Excessive fuel use is a symptom, not a...
Aug 10, 2026
M
Misfire counters show up in Diacom, but because this engine doesn't have a cam sensor and cats --- any info you see will be bogus.
This...
Aug 10, 2026
M
For people following along, I would never advise a cylinder drop test be done by pulling spark plug cables on a EFI engine. Unless you...
Aug 10, 2026
M
A few things I should point out for future reference.
@damo79 has a DTM engine not the DTS engines that @tpenfield has.
A DTM engine has...
Aug 9, 2026
M
First --- thank you @Biz603 for responding!
Did you put the boat away with some sort of stabilizer of conditioner in the fuel? And maybe...
Aug 9, 2026
M
No I can't, sorry. I understand your desire to see some published MAP numbers from MerCruiser --- I would to, but they don't that I can...
Aug 8, 2026
M
Hey Ted, Are you using the graph function to see these numbers?
Aug 8, 2026
M
Thanks again for your time. Next Diacom recording I will get will be done with good battery. Guess if it will still drop below 11V I...
Aug 8, 2026
M
Yup, my claim to fame was two things.
I have made or seen just about every mistake ---- once.
I could handle the most "troublesome"...
Aug 7, 2026
M
I don't see this as a waste of time. I look at it as a learning experience.
Hopefully people who read this thread will see the...
Aug 7, 2026
M
Have you ever been part of a boat test for a magazine? I have, and I sure wouldn't use what they published as a substitute for actual...
Aug 7, 2026
M
But it is an modern engine, it doesn't need knock sensors for one thing.
First, there is a possibility those numbers are corrupted...
Aug 7, 2026