For 1200 watts? Of course you would have to leave some of that behind for the other needs of the car. Step it up 110 with an inverter on the way and the wiring could be an extension cord. Which brings me to the Honda generator in the trunk idea. Small household space heater in the car.

Another idea is to put the webasto in the right rear wheel well and duct into the existing air system.

I want to go to WCR across the Rockies from me. Will I make it without a heat exchanger? The front fan works, and I can bundle up, but I do want to see ahead.

buy a heated seat pad. plug it into power outlet. fold it up when you get to WCR

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buy a heated seat pad. plug it into power outlet. fold it up when you get to WCR
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OK. Thanks. Think the cold air will handle the defrost? While it may conceivably snow, I am really thinking about rain and possible wet clothing getting in and out of the car. That can fog things up. I also have some rained antifog.

I've been advised that the 1 5/8" headers that came with my car are part of why the engine is underperforming for a 2366. (Chris F's opinion here:
http://www.914world.com/bbs2/index.php?s=&...t&p=2567229
).

So I'm intrigued by Jake Raby's statement, since I'd love to have heat and defog next winter. Wouldn't I lose more power by going to ss heat exchangers intended for a stock engine?

I don't think that quote is correct, for HP Jake always said a proper sized header makes the most power. Ballpark 5% for stock to 15+% on a performance engine. A 180hp engine could lose 25hp with small 1-3/8" ID heat exchangers.
A header is the greatest bolt on HP you can add to your 914.

Maybe Ben (mb911) would make some if there was enough demand, but perhaps fabricating some outer envelopes over currently made headers may be a more reasonably priced alternative.

It was interesting to hear Scott? @PMS speak to the importance of not over sizing your exhaust. He showed us one car that never met it's potential until they reduced the size of the collector. He said that was one of the more common mistakes that we, the occasional builder make! This may apply to high output engines only; didn't ask.
Heated seats are a God send. I cannot have mine on high or I'll roast my arse. I have a water cooled conversion and never run the heat unless it's below freezing. Otherwise, I need to roll down a window to blend in some cold air. Before you make any attempt to add heat or AC seal and insulate! Replace the old door seals if they're torn, the old roof seals and plug any holes in the bulkhead including old worn grommets.

EXCELLENT IDEA - should not be all that difficult for someone with the right sheet metal tools - there are clearly some among us who will take on any fabrication challenge

i made a set of templates long long ago off my oem -6 headers, but never bothered to follow thru on the idea (they are on a shelf somewhere)

(oem heat boxes make the routine obligatory tending to the valves etc a major PITA on both -4s & -6s)

- don't need heat in sunny california

- or if i do, i drive the Miata instead - maybe even top-down

Do tell more of how you are getting heat with a water-cooled conversion. Here in New England, some of the nicest driving days are Spring & Fall when it can get a bit chilly after dark. Defog/defrost is the bigger issue, though.