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SVTPerformance's Chain of Restaurants
Road Side Pub
Exhaust Grounding?
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<blockquote data-quote="oldmodman" data-source="post: 12184184" data-attributes="member: 10303"><p>Any ungrounded metal to metal contact can induce a electrical spike that "May" affect any of the computerized systems on a car.</p><p></p><p>It's cheap insurance on the part of the manufacturer. They may have encountered electrical "noise" caused by metal to metal contact that made, as an example, hickup in the fuel injection at a certain engine rpm. And the engineers decided to ground strap everything as the cheapest way to eliminate the gremlins. Also, a long metal object that is only grounded at one end (like the exhaust being attached at the block and then the rest of the length hanging from non conductive straps) can act as an antenna, or worse, as an inductor and pick up all kinds of electrical noise from ignitions, motors and so on. And feed that noise back into the electrical system.</p></blockquote><p></p>
[QUOTE="oldmodman, post: 12184184, member: 10303"] Any ungrounded metal to metal contact can induce a electrical spike that "May" affect any of the computerized systems on a car. It's cheap insurance on the part of the manufacturer. They may have encountered electrical "noise" caused by metal to metal contact that made, as an example, hickup in the fuel injection at a certain engine rpm. And the engineers decided to ground strap everything as the cheapest way to eliminate the gremlins. Also, a long metal object that is only grounded at one end (like the exhaust being attached at the block and then the rest of the length hanging from non conductive straps) can act as an antenna, or worse, as an inductor and pick up all kinds of electrical noise from ignitions, motors and so on. And feed that noise back into the electrical system. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
Exhaust Grounding?
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