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Total 8 documents matching your query.

1. Compression and head shaving (score: 1): Author: "Richard Seaton" <rsh17@msn.com>; Date: Sat, 23 Nov 2002 09:24:47 -0600; I have a 1969 TR6 which had the head shaved when rebuilt ,but I don't know how much was taken off 15 years ago. Is there a way to measure the thickness of the head and to come up with some sort of co; /html/6pack/2002-11/msg00450.html (7,367 bytes)
2. Re: Compression and head shaving (score: 1): Author: Peter Macholdt <vze2846b@verizon.net>; Date: Sat, 23 Nov 2002 10:49:27 -0500; You can get an estimate, not an exact figure by measuring the head thickness. Get a micrometer or a good set of calipers. Measure the thickness between the head/ block mating surface and the surface; /html/6pack/2002-11/msg00451.html (8,293 bytes)
3. Re: Compression and head shaving (score: 1): Author: "mitch" <mitchv@sbcglobal.net>; Date: Sat, 23 Nov 2002 08:29:10 -0800; this guys site has a link to a compression ratio calculator program if you want to give it a shot. http://home.iprimus.com.au/tridim/triumph/Engine.htm -- Original Message -- From: "Peter Macholdt" <; /html/6pack/2002-11/msg00452.html (9,060 bytes)
4. RE: Compression and head shaving (score: 1): Author: Hugh Fader <hfader@usa.net>; Date: Sat, 23 Nov 2002 12:43:07 -0500; Yes. Here are some numbers. They assume you have the stock bore. Taken from Competition Prep Manual: Head Thickness (in) CR -- -- 3.550 7.75 3.460 8.5 3.375 10.0 3.295 12.0 Given to me on the phone b; /html/6pack/2002-11/msg00453.html (8,299 bytes)
5. Re: Compression and head shaving (score: 1): Author: "Richard Seaton" <rsh17@msn.com>; Date: Sat, 23 Nov 2002 13:19:01 -0600; Thanks all for the quick responses, looks like the machine shop didn't take off enough to significantly change the compression. The head measured 3.452" which is a little over 8.5:1 compression. I wa; /html/6pack/2002-11/msg00454.html (7,806 bytes)
6. Re: Compression and head shaving (score: 1): Author: "Robert M. Lang" <lang@isis.mit.edu>; Date: Mon, 25 Nov 2002 11:19:53 -0500 (EST); Yes - you need to "cc" the head. To be honest, just shaving the head "x" amount will yield a compression increase, but the compression ratio is exactly that - a ratio. And it is the ratio of the volu; /html/6pack/2002-11/msg00498.html (9,557 bytes)
7. RE: Compression and head shaving (score: 1): Author: "Walt Philipson" <wphilipson@nc.rr.com>; Date: Mon, 25 Nov 2002 11:48:47 -0500; Isn't it (Volume at BDC)/(Volume at TDC)=CR ? You have to add the cylinder volume to the combustion chamber volume to get the total volume at BDC. So wouldn't the CR for a 41cc combustion chamber an; /html/6pack/2002-11/msg00501.html (10,168 bytes)
8. RE: Compression and head shaving (score: 1): Author: "Robert M. Lang" <lang@isis.mit.edu>; Date: Mon, 25 Nov 2002 12:59:02 -0500 (EST); Hi All. Yep it is. My error. Thanks for pointing it out. That is correct. regards, rml -- Bob Lang Room N42-140Q | This space for rent Consultant MIT unix-vms-help | Voice:617-253-7438 FAX: 617-258-9; /html/6pack/2002-11/msg00503.html (7,895 bytes)

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