Flinkly said:
i've heard, and now seen, but i still can't figure out how this fits in/on a gt6 and how it works. and wouldn't this draw a couple horses from the already detuned gt6?
i guess i'm wondering if anyone has any long lost technical info rattling around in their head or something...
Ebay for Triumph GT6 A/C Compressor
These were not factory items, but installed by BL/JRT dealerships in the early & mid-70s via sending the cars over to independent local businesses very common at the time which added air conditioning to non-air conditioned cars.
These particular components are from a company which made every AC addition I've seen in MGs & Triumphs for that time, but I've unfortunately forgotten the company's name. They were sold as mentioned to those independent local businesses, most typical of which was one named Auto Air of (your state here) which had a shop in almost every medium & large city in those areas & may have been a franchise.
These cars with the added AC were practically universal in the southwest & southeast for that time, as it was difficult to sell an unairconditioned car in those areas at that time.
I believe that guy is parting out a car from central Alabama, so the only surprising thing is that it was not removed years ago.
I removed the one from my car decades ago & most of it resides in boxes. As you've guessed, it was not a very good time for a lot of issues to come together: detuning engines to meet emissions specs, & still working on getting the efficiency of auto air conditioning reasonable. It was a little later that even the bright idea of the vacuum switch to de-clutch the AC compressor on acceleration became a common feature for car mfrs. in factory AC installs, so this one as most did pulled on the engine all the time when it was on. For its time though, it was really good: well-thought out, clean setup, nicely integrated.
The compressor was mounted on two head studs: you can see the two holes for it along one edge of the bracket.
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EDIT: i feel like i should buy it and check it out if only to log this for triumph nuts everywhere... [/QUOTE]
AC components have improved enormously in efficiency, the refrigerants have changed, but really the modular components themselves haven't changed: compressor, drier, evaporator, condenser. The most valuable pieces to get from this setup are the pieces you can't get anymore (fittings & interior pieces) to install with new mechanical parts (like compressor, drier, add a vacuum switch) & recreate the period AC:
1. The bracket from the compressor (really should be replicated in aluminum or something, because it's made out of freaking pig iron as thick as your pinky & weighs a TON)
2. The idler pulley on its bracket (the engine's front lifting eye was unbolted & removed, & the idler's bracket was bolted there in its place)
3. The unit inside the car which enclosed the fan & evaporator. This was a nice custom unit for each car, for the GT6 it was a low-profile black-plastic faced unit w/a couple of vents in its front which replaced the passenger-side parcel shelf & visually integrated with the look of the dash so well it could have been factory.
4. The little square control panel for temp & fan speed. Square-ish, just a couple of inches wide, with 2 knobs about the diameter of your thumb. It was mounted in the driver's side parcel shelf area, just to the left of the steering wheel, via a screw or two that passed into the bottom edge of the dash through the metal part attached behind the vinyl crash pad running along its bottom edge.
The evaporator/fan unit was ducted into the existing air system with just a few more of those plastic Y's & some more of that corrugated tubing the factory air/heating system uses. There were 1 or 2 more eyeball vents added below the dash, in the wire cage mounts. The refrigerant lines passed through two holes punched in the firewall a little below the level of the passenger-side parcel shelf.
Considering that not only have AC components become more efficient & effective but cockpit insulation materials have also, it would likely be nice to scarf up those pieces. With a vacuum switch in place, you can put your foot down again as on acceleration the compressor is disengaged, & the only deficit is the weight. Cruising, its only effect would be on fuel economy.
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but were afraid to ask: 
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