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| Transmission and gas gauge problems |
| Author |
Message |
    
jnugent
Visitor
| | Posted on Tuesday, April 29, 2008 - 05:42 am: | 
|
I have 2 454 1997 crusader engines (950 hrs each) in my 34 ft 1986 Tolycraft. Last sun I moved it from Tiverton RI to Quincy Mass. A 10 hour trip. Everything was fine for the first 3.5 hours. We were running at 3500 RPMs, I kept it there because everything sounded good and we were doing about 16 knots.An alarm went off and the engines dropped down to about 800 RPMs. I could get one engine upto speed but the other one would not go over 2000 RPMs. We took it thru the Cape Cod canal and stopped to top off our fuel. I figured that the transmission had over heated. I checked the the fluid on the trans ,it was fine ( smelled fine also ),the engine temp was at 150 for both,and the oil pressure and level was fine. We let everything cool down and started up again. I got the engines up to 2500 RPMs and kept it there for the next 5.5 hours till I got to my home dock.Where do I go next to look for the cause of my problem.
That was problem #1
Problem # 2
Before leaving RI I topped of with fuel. After 3.5 hrs one gauge showed empty the other 1/2 full.We stopped to cool down and top off the fuel. I took on 75 gallons. I have 2 100 gallon tanks. why would my gauges read this way?
Thanks for any help you can give me.
John |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4347
Registered: 09-2003
| | Posted on Tuesday, April 29, 2008 - 06:47 am: |
|
John:
That trip of yours sure brought back memories! (Used to live in New Beford.)
Tank gages are notoriously incorrect--especially if someone messed with them. You can correct that yourself with a wooden stick: Remove the sender unit, find the true level with the stick, then adjust the float until it's accurate. Most people set it up so there's lots of gas in the tank when it reads 'E'.
On your engine problems...you might have sucked in some water, or the filters may have clogged with crud. I hope no one made the mistake of putting your gas filters BEFORE the fuel pumps! That's a recipe for disaster. A minor amount of crud in the filters and the pump can't keep up, which leans out and wrecks the engines.
Jeff |
Foggy
Member
Username: foggysail
Post Number: 20
Registered: 01-2006
| | Posted on Tuesday, April 29, 2008 - 05:56 pm: |
|
Both engines feed from the same tank? Don't overlook a cruddy anti-syphon valve.
Two tanks? Don't see how fuel would cause the problems with both engines at the same time.
Foggy |
Todd Moore
Advanced Member
Username: concritter
Post Number: 128
Registered: 12-2007
| | Posted on Tuesday, April 29, 2008 - 08:22 pm: |
|
My guess is you picked something up in the tank and it did not get thru your check-ball which is usually located at the top of your tank on the pick-up tube.Restricted your fuel and you dropped in rpm as both engines were starving.One more than the other....Todd |
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