IMO, dont waste your time on E7's. I used to run ported E7's and I had more money in them than I have in my canfield aluminum heads.
I had them ported, polished, milled, 3 angle valve job, and trick flow springs. They performed well but pale in comparison to aftermarket aluminum heads.
JMO,
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim.
00' Lightning-Stock
88'CRX-13 second ego killer
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