 Cam chain idler for 6, Where can I get |
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| Downunderman |
 Sep 18 2003, 05:23 PM
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#1
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Senior Member  Group: Members Posts: 852 Joined: 31-May 03 From: Sydney, Australia Member No.: 766 Region Association: Australia and New Zealand  |
Hi guys,
I am after some slightly larger diameter cam chain idler wheels to take up the slack in the chain when I up the compression. Does anyone over there know who makes/sells them? How |
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| TimT |
Sep 18 2003, 05:39 PM
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#2
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retired Group: Members Posts: 4,033 Joined: 18-February 03 From: Wantagh, NY Member No.: 313 |
Your not really supplying enough info.
What year 911 engine? Lowering the deck height to raise the CR is NOT the way to get increased CR on a 911 engine.If you machine to much from the heads, the tensioners run out of stroke and you get into all sorts of problems. A real inexpensive part of a good 911 rebuild is to replace all the ramps,the chains, and update to post '80 idler arms. Money well spent An easy way to increase CR without fucking up the chain geometry is to offset bore the connecting rod small end. have some larger wrist pin bushings mader and they can be offset reamed as well to get some CR.. Another way to increase CR is to get some high compression Mahles or JE's Larger dia chain wheels are a bandaid |
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| Brad Roberts |
Sep 18 2003, 11:24 PM
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#3
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
What Tim said..
I know your the type to do right one time.. B |
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| ChrisReale |
Sep 18 2003, 11:49 PM
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#4
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Sleazy Group: Members Posts: 2,665 Joined: 20-January 03 From: San Francisco Member No.: 176 |
Bruce Anderson says German Precision in Sunnyvale makes somethingf like this.
Phone; (408)747-0728 Fax: (408)747-0782 From second edition of 911 performance Handbook |
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| Brad Roberts |
Sep 19 2003, 12:08 AM
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#5
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
If you have to have them......Ask for Ted (he will probably answer the phone) Ted does all of our 911 heads and twin plugging.
B |
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