| Original Message |
Paul (no login)
Posted Mar 5, 2007 4:09 PM
If you look at the specifications closely, you will note the 307 is essentially identical to the older 283 cubic inch displacement engine from GM, sharing the same bore of 3-7/8", but with a larger crankshaft stroke of 3-1/4" rather than the 3" stroke found in the 283.
The 307 is externally identical for all practical purposes to the larger 327 and 350 cubic inch version of this same small block design. The marind Q series used a different intake manifold, and even a different cylinder numbering and timing system than any other variant of this small block engine series, so beware.
The small block GM motors are well thought of, and natually they can only be expected to do the job their particular power rating is intended to do. Parts are readily available, and the 1970 CC you mention likely was fitted with this engine as original equipment.
Sincerely,
Paul
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