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Total 11 documents matching your query.

1. Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 17:40:25 -0500
How much can you safely skim off a stock 1275 cylinder head? And does anyone know what the original thickness is supposed to be? Mine currently mics out at 2.745" (almost 2 3/4) My machinist also as
/html/spridgets/2003-01/msg00339.html (7,905 bytes)

2. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 17:52:17 -0500
Me? Probably nothing. : ) Robert D. -- Original Message -- /// unsubscribe/change address requests to majordomo@autox.team.net or try /// http://www.team.net/mailman/listinfo /// Archives at http://w
/html/spridgets/2003-01/msg00342.html (7,578 bytes)

3. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 14:54:06 -0800
Hi Frank, 21.4cc's per chamber on a 12G940. I think it's best to skim as little as possible from the head, but I've heard people going .060 or more. Vizard's book probably has that info. Gerard /// u
/html/spridgets/2003-01/msg00343.html (8,090 bytes)

4. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 14:09:56 -0800
I'm not sure about the minimum or original head thickness, but I believe that the high compression head had a combustion chamber volume of 19cc and the standard head is something like 23cc. I think i
/html/spridgets/2003-01/msg00347.html (9,181 bytes)

5. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 16:03:01 -0800
12G940 1275 head had a combustion chamber size of 21.4cc. Your limiting factor might be when you have valve interference with the pistons or when you run into an oil delivery gallery. CR was a factor
/html/spridgets/2003-01/msg00350.html (10,119 bytes)

6. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 17:24:33 -0800 (PST)
...but a real masochist will measure the actual stroke of each cylinder since the crank journals are not perfect and then cc each chamber to get the desired CR. Then said perfectionist might make cyl
/html/spridgets/2003-01/msg00354.html (8,051 bytes)

7. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 17:24:47 -0800 (PST)
...ah, but a real masochist will measure the actual stroke of each cylinder since the crank journals are not perfect and then cc each chamber to get the desired CR. Then said perfectionist might make
/html/spridgets/2003-01/msg00355.html (8,141 bytes)

8. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 22:22:15 -0500
would not, the true masochist turn the crank's rod journals undersize to index the throws of the crank then CC the head? HMMMMMM? things that make you go HMMMMM? /// unsubscribe/change address reques
/html/spridgets/2003-01/msg00365.html (8,687 bytes)

9. Re: Head shaving (decking) (score: 1)
Author: Unknown
Date: Fri, 10 Jan 2003 19:34:07 -0800 (PST)
...but that would be like an enema to the anal retentive personality who takes into account the differences in rod end bearing clearance variations between cylinders... Kidding! Kidding! ____________
/html/spridgets/2003-01/msg00366.html (7,956 bytes)

10. RE: Head shaving (decking) (score: 1)
Author: Unknown
Date: Sat, 11 Jan 2003 14:24:28 -0500
Some of the information we have learned while working with our race motors. Starting with a bone stock 1316 casting: 1. Our head had low time and the valves and seats were at factory new condition 2
/html/spridgets/2003-01/msg00400.html (9,654 bytes)

11. RE: Head shaving (decking) (score: 1)
Author: Unknown
Date: Mon, 13 Jan 2003 12:16:04 -0600
While building my motor last winter I came across the following spec somewhere: "Nominal depth" = 2.750 My head had supposedly been shaved .040. When I measured the head depth it looked to be 2.711.
/html/spridgets/2003-01/msg00474.html (9,016 bytes)


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