i would go with a 12/18 big hub solas on that, its what you would run on a lites ski and should get you up in the 54 mark with your setup and great acceleration. in surf i would go with a 11/17
They work really well, I rode my one to number 2 in class at the aussie titles. Is the stainless 12 vane better. yes it is but its also twice the price and heavy to boot. We have these as a solid upgrade for a great price.
That's where we are heading to, the similar idea, It pushes the price up but somethings are what they are, It does mean we can have multiple different uses for the nozzle which is always a win. Nice drawing by the way
https://www.waxracingproducts.com/products/wax-racing-billet-head-kit
Available as a Complete Kit or Individual Parts
Whether you're doing a full top-end build or just replacing a component, the Wax Racing head system is available both as a complete kit or individually as separate parts...
He’s supposed to have dynoed our pipe too—yet for a YouTube channel, it’s strange there’s no dyno sheet, no video, not even a photo. Starting to wonder if it ever happened at all...
I looked at thiose and its seems that the gain was because it stopped the spill of the end. but a pump liner does that already. Would be cool to make one and give it a try
yup we have a 81 with 195exhaust and 126 transfers one up there. 65% bore width. This is an awesome port spec and I have used it for years
https://www.waxracingproducts.com/pages/exhaust-port-template
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