Quote:
Originally Posted by David R.
It is a big bore 4 cylinder. Original Willys Jeep was just 134 cid if I remember correctly.
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https://en.wikipedia.org/wiki/Willys_Hurricane_engine
Quote:
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The compression ratio rose from 6.5:1 in the Go-Devil engine to 7.5:1 in the Hurricane engine, although a version of the Hurricane engine was made with a 6.9:1 compression ratio.[3]
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Compared to 4.2 in the stock A engine.
Joe K