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Cheap 88: Front engine job

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Old 10-12-2017, 10:24 PM
  #31
docmirror
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The ultimate cooling capacity is under control of the volume of fluid, and the size of the heat exchanger(radiator, in car parlance). By adding the center radiator to my 911, I increased the volume, and area of the exchange, and this more than anything offered better performance.

If if the passages in the 928 T-stat area were made larger, the ultimate thermal exchange is up to the volume of coolant, and the size of the rad. I have always hoped for a thicker rad, with more cooling passages and slightly more volume to use in hi temp areas. AFAIK, there is no one who makes a rad for our car with more volume, but I could be wrong.
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Old 10-15-2017, 07:49 PM
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Arrggghhhhhh! This is one of those stupid day posts. I'm getting down to the final bits, and I can't find where I set the Thermostat housing. I think at this point I took it to Roger's house, and left it there when I picked up my new t-stat and seals. Frustrating.

Otherwise I finished up the brakes, and they are in good shape now. Put the front engine harness on, and one of the ign caps. Next is the rad fittings but want to get that housing sorted out soon. Replacing the wiring connectors on the fan asm, and some of the Bosch connectors that have disintegrated.

I'm saving the trans flush and filter until I can get on a lift. I'm not going back under there on my back again. Too old for that spit. I found 11 more mud dauber nests, I think there's more, but I just can't stay under there any longer. Once I get it on the lift, I'll pressure wash it in prep for the steering rack, motor mount, OPG job this fall.
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Old 11-06-2017, 07:10 PM
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Well, update. Found the t-stat housing, it was right where I left it. Water cooling system is all in except the fans. Will run a bit without the fans just in case I have to go back in.

Going slower as I am building a hangar at my airport and it's taking some of my time away from the important 928 work.

Baby got new boots today. Panamera 18s. May get rear spacers, we'll see. Needs new tires on the back. Will see what fits up in there, hoping for a 295-45
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Old 11-06-2017, 07:50 PM
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Originally Posted by docmirror View Post
Thanks, I was Hoping like most dual piston designs, I can get the cups out without splitting the housing. I avoid splitting the housing, but I can if needed.

I may not worry about 30YO cooling hoses, but I worry a fair amount about 30YO brake lines. eeeeekkkk!!!
The pistons come out very easily with puffs of compressed air into the hydraulic port. The only potential problem is if you have the raised Porsche Caliper design them Iĺm pretty sure you have the scraper ring dust seals. Harder to find/more expensive than later dust seal design which is still used by Brembo so very widely available with aftermarket versions too.

The union nuts will put up a fight when you come to replace the flexible hoses!
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