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May 26, 2024 | 11:26 AM

Tsimms

Thread Starter

2nd Gear

Joined: May 2024

Posts: 2

Likes: 0

Ideas

Hello I have a 1989 c4 corvette it has been sitting for a while 1 year uncovered, the gas tank filled up with water . Drained the tank now and the motor seems to be seized up? Should I get a new motor or try and troubleshoot it ? Thanks looking for options on motors as well thanks

May 27, 2024 | 08:55 AM

Incorvettei

Drifting

Joined: Oct 2020

Posts: 1,394

Likes: 437

From: Marlton NJ

I would more digging before condemning anything. Is there oil in the engine? If so, what does it look like?

Jun 2, 2024 | 07:08 PM

RalfKramden

Instructor

Joined: Feb 2018

Posts: 125

Likes: 25

From: NY

Pull the plugs and fog the cylinders. Be gentle and work the crankshaft back & forth. You should be able to free it up.

Jun 3, 2024 | 09:26 PM

ruxvette

Race Director

Joined: Mar 2010

Posts: 16,838

Likes: 5,278

From: T-Town WA

2016 C6 of Year Finalist

Quote:

Originally Posted by RalfKramden

Pull the plugs and fog the cylinders. Be gentle and work the crankshaft back & forth. You should be able to free it up.

Absolutely pull the plugs. It may have run long enough to pull fuel into a couple cylinders. And, as we all know, water does not compress.
Do as ralf said above and see what comes out of the spark plug holes. Also make sure the oil has some viscosity and is not watered down.

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