You may remember when we got to Florida last fall we had a transom soot issue. The local DD mech replaced all six injectors on the port engine and it improved, but didn't return to normal.
I just had my local guy check that engine and he found all the injectors were set wrong, about .030" retarded. He tuned everything and I then asked him to check the starboard engine which he had rebuilt 1860 hours ago and he found the modulator was not opening completely (corrosion) and he fixed that then checked all the valves and injectors. They were mostly good, but he found one injector rocker had a bad bearing or bushing (probably wrong term). It was warn so bad that the mech did not thing it would have made it back to Florida. The consequence would have been parts flying around under the rocker cover. Whew. I didn't realize these DD's needed to be tuned every 1000 hours.
Bobk
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Thread: Dodged Another Bullit
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Dodged Another Bullit
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07-19-2016 12:32 AM #2Senior Member
- Join Date
- Apr 2008
- Posts
- 494
Re: Dodged Another Bullit
Tune them up once a year regardless of hours run.
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Re: Dodged Another Bullit
I'll bite...what is the "modulator"?
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Re: Dodged Another Bullit
"DON'T BELIEVE ANYTHING YOU READ OR HEAR AND ONLY HALF OF WHAT YOU SEE" - BEN FRANKLIN
Endless Summer
1967 50c 12/71n DDA 525hp
ex Miss Betsy
owners:
Howard P. Miller 1967-1974
Richard F Hull 1974-1976
Robert J. & R.Scott Smith 1976-present
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Re: Dodged Another Bullit
I'm pretty sure it's got something to do with the Flux Capacitor. Pretty sure
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Re: Dodged Another Bullit
Randy Register - Kingston, TN
www.yachtrelocation.com
www.Safes4Guns.com
aka Freebird aka Sparky1
1965 41DC #93
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Re: Dodged Another Bullit
If they throw away the modulators, does that mean I don't have to do this anymore?
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Re: Dodged Another Bullit
Only if you can get them to throw away the super-modulators too.
--- The poster formerly known as Scrod ---
I want to live in Theory, everything works there.
1970 36C375