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You are absolutely correct...
Posted by Street (more from Street) on Wed, 5 Jan 2005 10:47:22
In Reply to: Re: Some basics, BevanD, Wed, 5 Jan 2005 08:25:57
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about your vacuum theory (it's not called vacuum advance for nothing). Also, Ari's theory is sound indeed, but he didn't take into account the high speed air which flows past the "ported" vacuum port. This high speed air (when throttle is open) creates a vacuum when it passes the port which increases in intensity as the velocity of the air increases (engine speed increases). There is no centrifugal advance in the distributor of the turbo version engines. I found this out years ago when disassembling one with the intention of using lighter springs for quicker advance as well as reducing the max advance by shortening the path. Your car's retard function is disabled because the engine management system takes care of it.
posted by 62.194.82...
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