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PeeGreen 914 |
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#21
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Just when you think you're done...wait, there is more..lol ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 10,219 Joined: 21-September 06 From: Seattle, WA... actually Everett Member No.: 6,884 Region Association: Pacific Northwest ![]() ![]() |
Okay, I know I could look it up. However, due to time constrants I am hoping someone knows off the top of their head what the venting clearance is supposed to be for the rear brakes. I need to reset mine as I just found that the ebrake was partially ingauged when I set it last.
Thanks Jon (IMG:style_emoticons/default/drunk.gif) |
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DaveO90s4 |
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#22
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Member ![]() ![]() Group: Members Posts: 149 Joined: 26-April 16 From: Australia Member No.: 19,935 Region Association: None ![]() |
Hi Zach - yes I agree. 0.004" is indeed minute. In practice it is "lightly touching less that minute amount" - hence my question. Thanks for your reply - I did use feeler gauges to set the venting clearance - was just wondering if feeler gauges were essential.
And in reply to The Cabinetmaker in a similar vein. I'm not bloody stupid you know. I own and maintain six aged Porsches, do all my own mechanical maintenance. Adjusting venting clearance with feeler gauges is not at all the same as adjusting tappets with feeler gauges. With tappets too much gap makes for a rattly engine and poor performance. Too little makes for burnt out valves. And allowance needs to be made for expansion as the engine components - alloy and steel alike - heat up. With the brake venting Porsche clearly, at 0.004", wanted it to be as close as practicable without actually touching. As Zach helpfully notes, less than the thickness of a human hair. As I say above, I have done the job properly as per spec. I was just interested to know if using feeler gauges was absolutely necessary for a competent experienced person who has done this task previously with the use of feeler gauges. |
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