joshua.mathews Posted July 23, 2016 Author Report Share Posted July 23, 2016 It 35mm all the way through the runner and then the bowl has been reshaped as well The valve guide has been tapped back abit to lift the roof off the port and bowl Quote Link to comment Share on other sites More sharing options...
GJM85 Posted July 23, 2016 Report Share Posted July 23, 2016 My head was done by Yatala Head Worx. 5k 30cc head. Intake is port matched and tapered with some bowl and comp chamber work. Exaust port is stock with the exception of bowl and short radius. Standard valves with Performance dual springs. 85lb seated. CC'd @ 10.6:1. Using 218/227@50 cam. Quote Link to comment Share on other sites More sharing options...
7000rpm Posted July 24, 2016 Report Share Posted July 24, 2016 http://www.rollaclub.com/board/index.php?app=core&module=attach§ion=attach&attach_rel_module=msg&attach_id=117111 This is the head I plan on using. Wanting to run 11.5:1 comp. Gavin can i ask what carbs you are using and if you have any dyno results? Quote Link to comment Share on other sites More sharing options...
GJM85 Posted July 25, 2016 Report Share Posted July 25, 2016 (edited) I'm using a 32/36 DGV Weber on an early modified manifold. Never had it dyno'd but it's faster than a Mirage and a twin cam excel. Seat of my pants says its around 80-90hp. Edited July 25, 2016 by GJM85 Quote Link to comment Share on other sites More sharing options...
7000rpm Posted July 25, 2016 Report Share Posted July 25, 2016 Cool. Nice work on that manifold too Quote Link to comment Share on other sites More sharing options...
Feral4K Posted July 25, 2016 Report Share Posted July 25, 2016 Rather ported k series.... Quote Link to comment Share on other sites More sharing options...
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