porting a head DYI, need some direction |
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porting a head DYI, need some direction |
02loftsmoor |
Aug 20 2014, 06:03 PM
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#1
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Senior Member Group: Members Posts: 577 Joined: 26-June 11 From: Ft. Worth TX Member No.: 13,243 Region Association: Southwest Region |
I'm following a guideline that Ray posted a while back on using 1.7 heads, opening up the exhaust valve to a 1.8 exhaust valve..and the port the hell out of the exhaust port. relocate the spark plug.
I need some guidance , pictures, measurements anything that could help me DYI port these heads. and I will say please and thank you, and will buy a beverage of your choice. (IMG:style_emoticons/default/beerchug.gif) |
Jake Raby |
Aug 23 2014, 12:40 PM
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#2
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
You'll need the flow bench to shops you that your first few sets of ported heads will flow less than stock.
And, of course its not just gross flow that counts, its mixture quality, so you'll need a pitot tube and a swirl meter, too. And, then you always have to ensure the camshaft is optimized to the ports… Then you'll have to play with port flow margins intake to exhaust. Its fun. You'll love it. If you're lucky you'll get to do it everyday, but don't ever be dumb enough to start selling what you know. |
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