04-08-2009, 02:01 PM
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#31 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: North East
Posts: 6,203
Drives: 09 370Z Sport M6
Rep Power: 655
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Quote:
Originally Posted by wstar
Agreed. I just find it hard to believe that what my ears are hearing during engine braking is just restricted airflow pumping through the cylinders with no combustion.
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Back in the early 80's (before FI was common) they sold mod kits that did this. There was an inline fuel switch, an RPM sensor and a throttle switch. When you lifted off fuel was cut to your carburetor provided you were above the preset stall speed. It's standard practice on modern cars with fuel-injection and manual transmissions.
Automatics don't always implement this as the transmission must be in full lockup mode for it to work.
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