KS911 - concerning the carb issues, have you considered TPI or TBI? I know that they can be pricy but when racing nothing is cheap. I have seen aftermarket 454ciTPIs used on 383ci strokers with remarkable power. Don't know if the snout would cause a clearance problem. TBIs typically go under a thousand and will also eliminate any carb maladies. This would be unusual, but a 4-Weber (Inglese) setup also might work. Very pricy, just like the Porsche counterparts.
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