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Do Oldsmobile 403 heads have a 403 casting number on the outside surface?

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  • Do Oldsmobile 403 heads have a 403 casting number on the outside surface?


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A note about Oldsmobile casting ... Big Block Head ID/Codes, Casting Numbers, ... and standard small valve heads do not. So all you have to do is to pop a ...
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Positive: 53 %
Oldsmobile FAQ 403 CID Engine Detail. ... The stock 403 heads have 4 additional coolant holes ... I'd tool up for some 403 castings with a diesel bottom ...
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Positive: 50 %

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Technical Information ... blocks do not always have a code stamped on the front of the engine. They do, however, usually have a casting number.
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Positive: 53 %
Head Flow Comparison Flow Numbers are ... The stock flow is what my "C" heads flowed before they were equalized and finish ported by Zoltan but I did do a ...
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Positive: 48 %
Find the answer to this and other Car questions on JustAnswer. ... How do I identify which oldsmobile engine I have. ... high followed by the casting number.
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Positive: 34 %
The 389 would remain the standard Pontiac V8 engine ... only casting, and the last PMD head to have a ... 48 casting number heads with a 68 ...
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Positive: 11 %

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