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hey Jeff,
thanks for posting the installation info. I'm reconsidering if I even want to install the heat riser valve. I know it's more accurate but my T/A is never driven in cold weather so maybe I should just seal up area where the heat riser is installed.
What's the best way to seal, nut and bolt or weld? Any susggestons?



It's not as simple as some may think... I would bolt & braze...