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Re: how many chances
[Re: coachallentca]
#13330936
11/03/19 01:25 PM
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Joined: Mar 2010
Posts: 25,880
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
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They didn't determine cause of failures. Obviously their just parts changers and not solid tech's. I'd take it somewhere else.
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: how many chances
[Re: Chasin Hogs]
#13331044
11/03/19 02:50 PM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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I will not throw them under the bus yet.. I want to see what happens when I talk to them monday.
Last edited by coachallentca; 11/03/19 02:51 PM.
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Re: how many chances
[Re: coachallentca]
#13331057
11/03/19 02:58 PM
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Joined: May 2007
Posts: 40,523
WAWI
TFF Guru
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Posts: 40,523 |
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Re: how many chances
[Re: coachallentca]
#13331070
11/03/19 03:12 PM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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OP
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1999 150 hp Merc EFI and repowered to a 200 ..
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Re: how many chances
[Re: coachallentca]
#13331089
11/03/19 03:43 PM
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Joined: Nov 2002
Posts: 54,494
RayBob
Super Freak
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Super Freak
Joined: Nov 2002
Posts: 54,494 |
So is it the 200 EFI that continues to fail?
Generally these are very hardy engines (I have one so I'm very interested in the outcome of this thread).
Or is it the 150? Your post is not clear.
Advice? Wise men don't need it. Fools won't heed it.
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Re: how many chances
[Re: coachallentca]
#13331107
11/03/19 03:58 PM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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it was a 150hp efi and repowered to a 200hp
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Re: how many chances
[Re: coachallentca]
#13331121
11/03/19 04:15 PM
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Joined: Oct 2008
Posts: 10,496
Monty Wright
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it was a 150hp efi and repowered to a 200hp The same mechanic worked on both, and both have blown, correct?
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Re: how many chances
[Re: Monty Wright]
#13331127
11/03/19 04:25 PM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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it was a 150hp efi and repowered to a 200hp The same mechanic worked on both, and both have blown, correct? yes...
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Re: how many chances
[Re: coachallentca]
#13331164
11/03/19 06:03 PM
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Joined: Dec 2011
Posts: 8,580
Oldrabbit
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Is it the same cylinder that blows each time? If it is I would be looking at the injector for that cylinder as if it is intermittent or not working it would starve that cylinder of gas/oil premix. If it is a different cylinder each time I would be looking at the rail pressure as as you may have a bad pump not putting up enough pressure to feed all of the injectors. You also might check the filters so see if debris is getting into the fuel system plugging off individual injectors. Best wishes of finding the gremlin.
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Re: how many chances
[Re: coachallentca]
#13331179
11/03/19 06:27 PM
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Joined: Oct 2004
Posts: 1,540
Cmack
Extreme Angler
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Extreme Angler
Joined: Oct 2004
Posts: 1,540 |
I suspect the issue lies in the fact that your mechanic tried to make a 200 out of a 150 block. The 200 has different port timing, different tuner, different ecu, etc. A 150 ecu with 200 porting and tuner would cause a lean condition which 2 strokes definitely dislike. I am always leery when I hear shops talk about rebuilding a 150 to 200+ HP. This is far more complicated than simply swapping a few parts and when Bubba picks up his porting tool disaster is sure to follow. On the chance that everything was done correctly, the first thing I'd look at would be the injectors. Another possibility could be the cylinders bored incorrectly to facilitate piston expansion at higher temps. Had a good friend lock up a 225 Pro Max twice before the shop (in New Orleans) figured out the issue. They accepted blame and did a 3rd rebuild, which is still screaming today.
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Re: how many chances
[Re: coachallentca]
#13331360
11/04/19 12:00 AM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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I know he change the ECU to a 200hp.. Do not know about the rest. Will find out..
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Re: how many chances
[Re: coachallentca]
#13331470
11/04/19 02:08 AM
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Joined: Feb 2015
Posts: 836
Fish2222
Pro Angler
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Pro Angler
Joined: Feb 2015
Posts: 836 |
Dude.... ask questions.... you'll figure it out.
"I only catch the ones that bite" BassCat Sabre Mercury EFI 175
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Re: how many chances
[Re: coachallentca]
#13331873
11/04/19 04:43 PM
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Joined: Dec 2014
Posts: 601
Larry Mosby
Pro Angler
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Pro Angler
Joined: Dec 2014
Posts: 601 |
Sounds like he rebuilt the motor but never diagnosed what caused the failure in the first place. Without knowing what caused the failure new pistons, bearings, rings and such are only going to last so long. Depending on your particular motor it could have been a number of different things that blew the motor such as a bad fuel injector, low oil flow or bad oil pump just to name a few. Proper diagnosis is the key to being a good mechanic! I would not let him keep wasting my time because it is apparent he has not found the source of the failure. Just my opinion.
Larry Mosby
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Re: how many chances
[Re: coachallentca]
#13331904
11/04/19 05:11 PM
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Joined: Nov 2008
Posts: 6,187
coachallentca
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Number 2 piston locked up again.
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Re: how many chances
[Re: coachallentca]
#13332139
11/04/19 09:43 PM
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Joined: May 2002
Posts: 5,054
leethefishking
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Number 2 piston locked up again. Number 2 piston probably not getting fuel therefore no oil! Premix doesn’t fix everything.
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