Engine Number - The Rocket engine unit number on full-size models is stamped on a pad on the left (driver's side) cylinder head, directly beneath the rocker arm cover lip, in between the 3rd and 5th spark plugs. All full-size model engines have a displacement of 394 cubic inches. Full-size engine unit starting numbers begin at 300001.
Engine numbers are production sequence numbers only. Engine numbers are decoded as follows:
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Standard Dynamic 88 | |
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Optional Dynamic 88 (W-4) |
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Dynamic 88 Export |
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Standard Super 88 &
98 Optional Dynamic 88 (W-3) |
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Starfire only |
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Super 88, 98, Starfire Export |
The 10.25:1 high compression 2 bbl engine standard in the Dynamic 88 was red with red valve covers and a black air cleaner.
The 8.75:1 low compression 2 bbl engine that was a no-cost option (W-4) on the Dynamic 88 was green with green valve covers and a black air cleaner.
The 10.25:1 high compression 4 bbl engine standard in the Super 88 and Ninety Eight, and optional at extra cost (W-3) in the Dynamic 88 was red with argent painted valve covers and air cleaner.
The 10.50:1 high compression 4 bbl engine used only in the Starfire was red with chromed valve covers and air cleaner.