Looking for intake manifold thermostat

[Zaspen]

I'm in the process of converting my 72 240 from a 4 barrel holley back to SUs.  I've read numerous articles on the pros and cons of heating the manifold and I think since I live in New Hampshire where every morning is cold I want to heat them.  Ideally I would have the manifold heater thermostat that was used on the later 72 models and beyond to avoid the potential issues with continually heating them.  Anybody know where I can get a thermostat and the associated piping?  I'd like to think I could get an old one to work again with some TLC.  I found a part number in a different forum for a possible alternate but it looks like it is no longer available.  Any thoughts / ideas are appreciated!

[siteunseen]

I'll look and see what I have off my 2 sets. I don't need the heat down here so I deleted mine. Maybe a thermostat and that pipe around the back of the cylinder head plus the pipe in between the carbs (I think)?

 

[Zaspen]

Cool- thanks for taking a look!

[siteunseen]

I'm sorry to say, remember, my thermostat was donated to the cause. We were wondering what the innards looked like and i took one apart. The connecting pipe for the two intakes is still on mine. As I recall those SOBs wont come loose. I'm getting some folks moved in a rental and will be going to and fro my storage building so I'm still gonna be looking for your parts. Will update asap. Cliff 

Edited March 27, 2019 by siteunseen

[Zaspen]

OK- thanks again for looking!

[Mark Maras]

 You may want to consider eliminating the manifold heater if the parts are unobtainium. The earlier 240s didn't have it and I drove a 71 daily, summer and winter, for a couple of decades, I doubt that you need it. Many later 240 owners have eliminated it on the theory that it may add to fuel percolation, heat soak or vapor lock problem.

[Zaspen]

I've seen both views on the heaters.  With the thermostat I'm hoping they just warm up then don't get too hot.

[jwtaylor]

There was a thread about a replacement thermostat several years, maybe quite a few years back.  It was on this site or it could have been another popular early Z site, I think. I do not have a link to that thread that I can find.  They were discussing a replacement thermostat that had the correct temperature range and would mount inline in the line that goes around the rear of the engine.   Good luck in you search.

[Zup]

10 hours ago, jwtaylor said:

There was a thread about a replacement thermostat several years, maybe quite a few years back. 

 

[Zaspen]

Thanks for the info on that thermostat alternative maybe I will just try that with some SS tubing.