Malbaby Posted August 27, 2023 Report Share Posted August 27, 2023 (edited) Assuming zero deck height with 0.040 overbore of cylinders. If I want a CR of 10.0 then what do I need in practice in way of actual cylinder head combustion chamber volume and/or gasket thickness. Would I be correct in assuming that the "Quish Zone" volume on the bathtub design of the combustion chamber does not have any measurable effect on compression ratio. Edited August 27, 2023 by Malbaby Quote Link to post Share on other sites
BlueTR3A-5EKT Posted August 27, 2023 Report Share Posted August 27, 2023 Does this help you? https://goodcalculators.com/compression-ratio-calculator/ Quote Link to post Share on other sites
ntc Posted August 27, 2023 Report Share Posted August 27, 2023 9 hours ago, Malbaby said: Assuming zero deck height with 0.040 overbore of cylinders. If I want a CR of 10.0 then what do I need in practice in way of actual cylinder head combustion chamber volume and/or gasket thickness. Measure the depth of the head and go to Goodparts website that will tell you how to get what you want Quote Link to post Share on other sites
Malbaby Posted August 27, 2023 Author Report Share Posted August 27, 2023 (edited) 10 hours ago, BlueTR3A-5EKT said: Does this help you? https://goodcalculators.com/compression-ratio-calculator/ Yes just what I need, thank you. That is a very good website. Edited August 27, 2023 by Malbaby Quote Link to post Share on other sites
Malbaby Posted August 27, 2023 Author Report Share Posted August 27, 2023 (edited) 11 hours ago, ntc said: Measure the depth of the head and go to Goodparts website that will tell you how to get what you want Thanks, I have seen the GP data sheet, I am now convinced that all their figures are fairly accurate. Edited August 28, 2023 by Malbaby Quote Link to post Share on other sites
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