Bad news on my motor
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The mechanic found the oil leak on my 95, 350 magnum but was not the cause of power loss and loss oil pressure because only lost quart oil, He found two cylinders that showed signs of high detonation and one had 6psi and the other had 0psi on pressure test, He cut the filter open and showed lots of bearing material, So now I have to make the decision to weather just install long block like $5200 total with new water pump impeller or complete 350 MPI like 11,200 installed, The boat is a 1995 Mariah Shabah Z212, Would like some input on what I should do here, The boat is in almost excellent shape and plan on keeping it for awhile so should I stay with carbureted and put long block in or spend twice as much on fuel injection???
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Re: Bad news on my motor
My opinion.....
Have the short block rebuild and have heads reworked. A clean carb works as well, as I've discover this past weekend. That's your cheapest route and would as sound an engine as buying a rebuilt one. Case in point, the engine house will want your core to rebuild and sell to the next fella. |
Re: Bad news on my motor
Reaper, Sorry to hear the bad news on your motor. Hope you're able to get her up and running again soon.
My opinion...... If it were my boat I would be doing as Brian has suggested. You can buy a lot of carburetors with the $6000 difference. |
Re: Bad news on my motor
Put a deposit down on a rebuilt long block today, Dealer said they have had very good luck with them in the past, Gunna cost me $5107 and that's with labor and new water pump, Said would not warranty it unless new pump was installed, So purdy much be a new motor and said he could have me on the lake this year yet, Got fingers crossed cuz there is a break in on them... Thanks guy's...
BTW Guy's found this guy thru another forum and pose to be the carb guru if you need service or parts.. Cliffs High Performance Quadrajets | Quadrajet Carburetor Rebuild Kits, Parts, Quadrajet Rebuilding, Quadrajet Parts, Bushing Kits, Carb Tuning |
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Re: Bad news on my motor
The bigger question here is what caused your present engine to experience that amount of detonation? If you do not know the root cause then you still have some work to do. You better have your mechanic check out your ignition system carefully before reinstalling it on your freshly rebuilt engine. Did you have fresh fuel? Or had it been sitting around and become very low in octane? Hopefully it was just carbon build up in your old engine. It would be a shame to destroy your new motor in the same fashion as the old one.
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Re: Bad news on my motor
That's a nice looking boat. If it were me I would find some vortec heads and bore the block 30 over. You can probably find someone to assemble the crank and pistons. Slap an Edelbrock RPM intake on and new carb. Your power will increase to over 300 horsepower which will make for a real fun ride! Don't beat yourself up about the engine failure. Probably out of your control and sounds like the seller was on the up and up. Things happen but you've got a really nice rig so repower and have fun with it! I have basically the same boat (202 Shabah) and when my engine goes i'm going with a Vortec.
Check this out if you want a plug and play motor: 5.7L Vortec marine engine-SILVER Package (1967-2013 replacement) |
Re: Bad news on my motor
Sorry Reaper just saw your post about down payment on motor. Sounds like a good option from a local mechanic. You might talk about the Vortec heads and see what he thinks. Adds some dollars but would be worth the money IMO. Good luck and hope you get back on the lake soon.
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