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6G Celicas Forums > 6th Generation Celica > Engine/Transmission/Maintenance
Tigawoods
Does not having enough back pressue on an NA motor ( I.e. Mid pipe removed so exhaust exiting right out of the headers) burn up th valves?
Smaay
no it wont burn the valves, too tight clearance burns them
HectortheRican
QUOTE (Bitter @ Mar 23, 2011 - 7:31 PM) *

I'm studying for a Mechanical Engineering degree with hopes of diving into performance auto parts design. These were the most informative articles I've read in a WHILE.
Tigawoods
i am now well informed
Bitter
http://forum.concours.org/index.php?topic=45090 **** gets real here. I'm sure there are whole books on the topic.
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