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) |
Dave_Darling |
Aug 23 2014, 01:10 PM
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#2
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914 Idiot Group: Members Posts: 14,991 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California |
Remember that those are smog-port heads, so the port has the extra room for the air injectors, and the bosses for the injectors to come through.
The thread I linked has some pretty decent discussion of porting the Type IV cylinder head, though it is rather dated now. I suspect that it may be enough to give you an idea of some of the basics, but the current state of the art is well beyond that now. (Stuff happens in a decade where dedicated people are trying hard to improve things--who'd'a thunk it? (IMG:style_emoticons/default/wink.gif) ) Oh, and you might see some familiar names on that thread.... (IMG:style_emoticons/default/biggrin.gif) --DD |
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