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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#32155 05/07/2005 8:57 PM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | The smaller big block motors were internally balanced. The 454 is externally balanced. I don't know about the bigger big blocks, but would guess they are externally balanced for the same reasons the 454 is.
If you plan to stay with that 5-speed you would need the correct flywheel for a 454.
My thought of the tall vs standard deck motors is that 454s are the most common and therefore least expensive to build of all the big blocks. The tall deck motors are least popular but perhaps cheapest to buy, provided you can find one.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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