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Old 04-02-2023, 07:17 PM   #1 (permalink)
jeff88
Lots of Questions
 
Join Date: Jan 2013
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Fuel Efficient Camshafts

Unfortunate circumstances means doing a valve job on my 2001 Toyota Corolla. While I have the head off, I'm wondering if there are any mechanical mods I can do to aid in fuel efficiency. I know there are "performance" camshafts, but not sure what these do for fuel efficiency. Is there anything available out there or do I need to get a grind to get a better profile? Is it even possible to get a more fuel efficient profile from the Toyota factory cams? I have VVT so maybe none of this is possible?

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