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@DannyP posted:

Webasto Airtop 2000 STC. Output is 7000-8000 btu/hr. Gasoline consumption is about a gallon in a day, it works out to less than 6 ounces per hour. The unit is 5" square and 12" long. It bolts through a bulkhead. Fuel, fuel pump power,  combustion intake and exhaust go through the bulkhead with a rubber gasket. The wire harness is pre-built and can be shortened or excess coiled up. It comes with an on-off rotary control.

I paid about $700, but bought some heat outlets, plastic adapters(a T and a Y), large diameter hose for the heat outlets, and small diameter hose for the defroster outlets. I also purchased some heat sleeving for the combustion exhaust hose and some stick-on heat shield for under the gas tank. I made a spring-loaded flapper to turn the defrost air on and off. It added up to about $1000 total.

I purchased a brass T to cut into my fuel supply after my pre-filter to go the heater fuel pump. The pump is mounted by the front beam and is gravity fed.

Carey Hines provided me with his proprietary aluminum dash vent trim. I used small Shop-Vac outlets to feed the windshield vents.

If you end up doing one of these heaters, make sure you don't create a heat loop. That is to say make sure your cold air intake is far away from the heater outlets. My intake is from the rocker panel on my Spyder, about 4-5 feet away from the outlets.

They are a bit involved, but it's all pretty straight-forward if you're familiar with custom auto installation. If you have any stereo or alarm experience that would be a plus.

Mine came from the Czech Republic. This is from Russia, but with $120 shipping it "rings the bell" at $700:

https://www.ebay.com/itm/12445...LEAQYAiABEgLh8PD_BwE

I do not know this person/seller. Just noting that these are available.

Thanks for the info on the heater, I’m going to look into using it on my 356 (a next year project).

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