Vans Fire Wall Forward used new style heat muff and had old plans.
Sent email to Vans and they send revised plans.
Required the followingi:
Take off rear right baffle and patch hole for air intake to heat muff. Fabricated patch, drill out adapter for scatt tubing, seal patch with RTV and rivet in place. Reinstall right rear baffle.
Locate and drill hole in left front onramp baffle. Match drill adapter taken from rear baffle, seal with RTV and rivet in place