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Topic: Engine lifting

in Forum: C3 Engines

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Engine lifting (1/8)
11/28/09 11:31pm

ossw1
Former Member
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Rocklin, CA - USA

Vette(s):
1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.

Joined: 4/2/2005
Posts: 484

This for the 81. I took the hood off to dress-up the the under side and I took it out for a spin to check a electrical problem I notice that my engine would lift up on the driver side when I got on it? Not just a little but a lot. Could this be motor mount problem if so what am i looking for to make sure?

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Engine lifting (2/8)
11/29/09 12:29am

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20128

If it's raising up enough to see it move, it's too much. The mount(s) needs to be replaced...

It may not be completely broken at this time, but it is definitely on it's way out. If your car had a regular fan and shroud, the fan would be hitting on the shroud....

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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

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Engine lifting (3/8)
11/29/09 1:07am

dskopp
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Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1958

Yup, sounds like the motor mount is bad. Get it replaced before you lose the engine!!

Dan

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Engine lifting (4/8)
11/29/09 11:27am

ossw1
Former Member
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Rocklin, CA - USA

Vette(s):
1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.

Joined: 4/2/2005
Posts: 484

What does it take to replace the motor mount? It seems that I would have to push the engine up enough to get the mounts off. Where would I put the floor jack to push it up? The oil pan does not seem like a good place to push up on.

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Engine lifting (5/8)
11/29/09 12:23pm

bio11
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Oklahoma City, OK - USA

Vette(s):
1972 LS5 Convertible,Auto.Targa Blue with Black Interior.

Joined: 4/1/2007
Posts: 432

I raise mine by jacking on one side or the other of the oil pan. Just make sure you use a piece of wood or something to distribute the force. I use a piece of 2x10 about a foot long and keep the jack towards the side I'm lifting. Make sure you get the bolt out before you apply to much lifting force. This is how I've always done it. Someone else here may have a better way though.

Lonnie

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Engine lifting (6/8)
11/29/09 6:11pm

Somehow, pushing up on th3 oil pan does not seem like a good idea to me. Must be a better place to jack up the sid of the engine to replace the mount.

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Engine lifting (7/8)
11/29/09 8:44pm

ossw1
Former Member
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Rocklin, CA - USA

Vette(s):
1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.

Joined: 4/2/2005
Posts: 484

No I am not going to push up on the oil pan. But take a 2by 10 and put the end on the edge where the oil pan bolts are and push up just enough to replace the bolts. I have seen this before I just remember when he said it.

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Engine lifting (8/8)
11/29/09 10:02pm

Ata Boy, Dave. Let usa know how it all comes out!

Dan

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