Oldsmobile 403 *new* engine

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R

recovering

Not-quite-so-new-guy
Mar 30, 2020
5
3
I have a 1998 Surefire (AutoZone's once glorious in-house brand) Oldsmobile 403.

It has edelbrock valve covers and a performer intake manifold. Also, not picture, an HEI distributor.

This engine is ready to roll. It's been sitting (covered) in a storage unit for the past 22 years and was unwrapped only today for pictures.

Asking $2000 OBO

Will deliver in Colorado
 

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TURNA

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
11,011
113
Socialist NY
Whats the bore oversize?

It should be hand stamped on the front of the engine
 
R

recovering

Not-quite-so-new-guy
Mar 30, 2020
5
3
Whats the bore oversize?

It should be hand stamped on the front of the engine
I am not sure. I looked and didn't see anything that would fit the bill relating to its bore.

Do you know where to look on these specifically?
 
TURNA

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
11,011
113
Socialist NY
Should be stamped right in front of the block number on that lip
 
TURNA

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
11,011
113
Socialist NY
Glad you pointed that out.

value of engine just went way dooooooooooooooooooooooooooooooooooooooooooooown
 
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R

recovering

Not-quite-so-new-guy
Mar 30, 2020
5
3
Well,

Here is every stamp I could find on it:









 
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Kennybill

Master Mechanic
Mar 17, 2010
269
63
Braceville, Ohio
Wow, this is just like Deja vu, all over again! :giggle: I bought one from a local guy, similar year, Auto Zone, and similar story. Mine had the heads off of it, lots of "gizmos" with it. I checked the crankshaft clearances and I was "pleasantly" impressed. 3 thousandths on the mains, 1.5 thousandth on the rods. Everything actually looked good. I will say the camshaft was a 307 factory spec's. I put the "hi-po" Sealed Power, 204/214 .448/.472 :LOL: my is almost together. I think your price is fair.
 
SupremeSpeed

SupremeSpeed

G-Body Guru
Sep 29, 2016
510
93
GA
Looks really good I think price is fair.
 

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