anything speical about these, good or bad?I know about the "hood" anything else I should do to them while they are out beside a vavle job?
Did a search but way too many pages to read.

 

By far their biggest liability is the exhaust port.

Just addressing that and a mild bowl blend on the intake side will afford an 8 to 10% increase in fuel economy and some 25 to 40 RWHP even in a stock application.

http://www.reincarnation-automotive.com/D3-bowl-ascast.jpg

http://www.reincarnation-automotive.com/ExhaustExitViewD3220.jpg

http://www.reincarnation-automotive....tionsD3220.jpg

Above are links, to my site, of before and after pics of a D3 style ehxaust port.

Hope this helps some...

SMJ/RHP
http://reincarnation-automotive.com
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