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) |
HAM Inc |
Aug 25 2014, 01:07 PM
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#2
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Senior Member Group: Members Posts: 846 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None |
If I spend 10 minutes on a 1.7 ex port I will need to spend around 40 minutes on the intake port to keep a 75% ex/in flow ratio.
On a 2.0 914 10 minutes on the ex port requires about 20 minutes on the intake. YMMV |
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