We actually have two versions. One is standard TPE Cyl just ported
The one we are working on now is a completely different exh port.
Making a design that can't be run wide open long but it hits stupid hard.
As for port timing. They don't like really tall port timing
There built to make tq.
188-196 exh. 126-128 intake.
They still work good on dasa that has 131 205. But you need to be big to get away with that.
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