Ways to improve gas mileage during a tune-up/intake manifold replacement? - Page 2 - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!
Engine - General, Exhaust & Induction Topics about the general engine items, exhaust system discussed here & Improving the intake tract - air filter to intake valve.

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post #16 of 18 Old 09-23-2006, 12:13 PM
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Here are some links to pics of the Metric Mechanic valves I mentioned. With these valves they tune their engines for ~ 20% less fuel. They also help with detonation. The BMW heads he works with are prone to cracking, with these valves he said they have not had a head come back cracked in the 16 years they have been using them. Except from a few people that super over heated their engines and kept on running them.

www.sheenconsulting.com/car/pics/ValveTopST.JPG
www.sheenconsulting.com/car/pics/STValves.JPG
www.sheenconsulting.com/car/pics/IntakeSTtop.JPG
http://www.sheenconsulting.com/car/p...veBottomST.JPG
http://www.sheenconsulting.com/car/p...keSTbottom.JPG

Scott Sheen
88 Daytona TII Shelby
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post #17 of 18 Old 09-23-2006, 12:43 PM Thread Starter
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Hmmm. I seem to recall reading on a webpage, maybe one of MPGMikes's, about how to modify your own valves to look like that. I will have to go back and search around.
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post #18 of 18 Old 09-23-2006, 01:10 PM
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It is on the FET site Prepping Larry's Valves I believe.

These valves are different as the intake and exhaust are done on the bottom and the intake on the top. These are actually stepped as you can see from the one side picture. There is a science to the size of the steps. Mike's are grooved on the top of the intake valve.
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