My new project...

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paul.jameson
Holder of a Golden Anorak
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Re: My new project...

Postby paul.jameson » Fri Jan 19, 2018 8:39 pm

Using the smaller diameter head will increase your compression ratio quite substantially.
Paul Jameson
36 4G, 37 VH, 53 ex ISDT KHA (project), 54 KH(A), 54 4G Mk IV (project), Healey 1000/4 (project)
Former Machine Registrar & Archivist, General Secretary and Single Spares Organiser.

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Steven.Carter
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Re: My new project...

Postby Steven.Carter » Fri Jan 19, 2018 10:14 pm

paul.jameson wrote:Using the smaller diameter head will increase your compression ratio quite substantially.

Your right Paul. It certainly felt as though the compression had gone up after I fitted the 500cc head but the flat top pistons I used made it at least manageable.
Steve


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