engine codes

Mar 02, 2006 2 Replies

I have a small block chevy iam trying to find the year cubic inch and horsepower it would probably be in the 60s the numbers on the passengers side front block are T0107HCR and the numbers on the block on the drivers side are 985880 and what we be the best plug for this engine thanks



Best I can find is this for the engine code: HCR 1966 327 275 4 powerglide, Rochester Carb

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That block number doesn't appear correct though, I check

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for casting numbers and that doesn't show up.

that sounds about right that was what the seller said it was in the 60s

327 but didnt know the horse power thanks

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