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Opening this thread you agree to never say the 928 is difficult to work on...EVER!!

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Old 09-06-2007, 10:13 AM
  #16  
VehiGAZ
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Enzo, that's a 4.9L engine you got in there. Since you do not have the Mustang's "5.0" badges on the fenders of the Cobreplicar to confuse the issue, you can refer to it by its correct displacement.

My '79 Volvo was the engine I've ever worked on. There was so much room in the engine bay, you could pretty much sit on sit right in there whenever you needed to! The windshield wiper motor & mechanism was the worst to work on, though - they were as far away from human access as they could be. Fixing the wipers on my sister's '80 240 took a day to get in, a day to replace the parts, and a half day to put it all back together.
Old 09-06-2007, 11:40 AM
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hacker-pschorr
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Originally Posted by Fabio421
They make aftermarket thermostat housings with an o-ring seal. They are pretty cheap too.
Really? Where do I find those?
Old 09-06-2007, 12:25 PM
  #18  
WallyP

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Jag XJS - I have never owned a car that had so many fasteners that you could see, and touch, and could not get a wrench on...

(Including our '59 Mini with an 1100 engine.)

There was even a direct and specific warning in the factory shop manual that said that the XJS was hard to work on!
Old 09-06-2007, 01:14 PM
  #19  
dr bob
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Reality is that the thermostat is perhaps the most reliable component in the car's cooling systey, yet it's the first thing that gets blamed when a car runs hot. It's usually also one of the easiest things to change. Usually. The 928 thermostat change is hampered slightly by the fuel ine that blocks access to one of the housing bolts. Loosen that, a little puddle of gas that goes away quickly, and out comes the thermostat. Then pry out that inner o-ring used for the bypass seal at the back of the housing. The more the o-ring is dried out the more it needs to be changed and the harder it is to get out. Reassemble, with the little dogbone vent at the top. Refill, burp, refill, burp, start and warm up, burp, get the coolant flowing with some rapid hose squeezes to push any bubbles away from the thermostat in the crossover manifold. Top off the reservoir. Drive. Top off the reservoir. Drive. Watch the reservoir level for a few days of driving. Yep, the 928 thermostst is a breeze compared to others.

I think we need a poll on how many owners have changed the thermostat only, and found that their heating problems went away. No radiator service, no fan fixes, just found a bum thermostat. Anybody?
Old 09-06-2007, 02:14 PM
  #20  
Fabio421
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Originally Posted by Enzo
Really? Where do I find those?
http://store.summitracing.com/egnsea...115+4294872710
Old 09-06-2007, 04:56 PM
  #21  
Imo000
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Quit your wining! I didn’t have any problems rebuilding the engine on my 5.0 and the car is in EUROPE.

If I don’t have the right socket, I make one. Have a cheap set of sockets just for this. If the wall is too think or the length it too much, I grind it down. Use a torch to bend a cheap set of wrenches to fit every “custom” shape needed.

I’m not sure if you know this but the Right Stuff is one neck of a sealant, they use it on turbos too but wait until you have to remove it. You’ll learn a new meaning to the words PITA.
Old 09-06-2007, 05:11 PM
  #22  
Jim bailey - 928 International
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My Daughter's factory five I mounted a 928 front electric fan behind the radiator as a puller and that fixed the overheating issues ! That was the car with the seat belts......velcroed to the carpet !!!!! I was NOT amused by it. It has since gone down the road. Watch the door hinge pins they tend to fall out ...
Old 09-06-2007, 05:36 PM
  #23  
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Originally Posted by dr bob
I think we need a poll on how many owners have changed the thermostat only, and found that their heating problems went away. No radiator service, no fan fixes, just found a bum thermostat. Anybody?
My thermostat failed in the closed mode on the way to the Wichita 2000 OCIC. Gotta love Kansas, I couldn't believe all the people stopping to help.
Old 09-06-2007, 05:44 PM
  #24  
Mike Simard
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Originally Posted by Jim bailey - 928 International
That was the car with the seat belts......velcroed to the carpet !!!!!
OMG! If anyone ever deserved a severe beating for construction.

There was a truck building show on TV where they bought a used 4x4 to transform. When they peeled back the roll bar padding it revealed a PVC pipe rollbar!
Old 09-06-2007, 06:13 PM
  #25  
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Originally Posted by Mike Simard
OMG! If anyone ever deserved a severe beating for construction.

There was a truck building show on TV where they bought a used 4x4 to transform. When they peeled back the roll bar padding it revealed a PVC pipe rollbar!
I lost a racecar partner when he was squeezed to the wall in a rent-a-ride. Someone did a really nice job replacing the upper rollcage hoops with muffler tubing. Nice clean dressed weld above the inspection holes disappeared when painted, but showed up very well in the wreckage. Nobody in the ownership chain would take credit for this fatal "improvement".

A good padded PVC rollbar inside a street truck could easily be better than a steel one in a common accident. At least it will give some when your un-helmetted noggin crashes into it. Plus the PVC is kinder to the CG.
Old 09-06-2007, 06:31 PM
  #26  
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Originally Posted by dr bob
Reality is that the thermostat is perhaps the most reliable component in the car's cooling systey, yet it's the first thing that gets blamed when a car runs hot.
It's running too cool, like it didn't even have a thermostat installed.
Originally Posted by Jim bailey - 928 International
My Daughter's factory five I mounted a 928 front electric fan behind the radiator as a puller and that fixed the overheating issues ! That was the car with the seat belts......velcroed to the carpet !!!!! I was NOT amused by it. It has since gone down the road. Watch the door hinge pins they tend to fall out ...
My harness is bolted to the frame.

Looking at my door hinge, not sure what pin you are talking about. I do have the upgraded MKIII door hinge though.
Old 09-06-2007, 08:04 PM
  #27  
Jim bailey - 928 International
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No doubt the cars are evolving and old problems may no longer exist. They have sold many of those kits !
Old 09-06-2007, 10:01 PM
  #28  
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Like my old (long sold) maintenance hog Ducati 888, the 928 is easy to work on, yes, but you sure seem to need to do a lot of it. Big difference between thr throwaway cars that are easy to manufacture but impossible to take apart here. You can tell that the manufacturing line wasn't as automated, either.
Old 09-06-2007, 11:05 PM
  #29  
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Originally Posted by Jim bailey - 928 International
No doubt the cars are evolving and old problems may no longer exist. They have sold many of those kits !
The Factory Five chassis is the only replica cobra chassis certified for SCCA club racing.

Attaching the harness to the car via velcro was never part of the kit. That is the #1 problem with kit cars, they are only as good as the person building them.
Old 09-07-2007, 10:38 AM
  #30  
Imo000
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Originally Posted by Mike Simard
OMG! If anyone ever deserved a severe beating for construction.

There was a truck building show on TV where they bought a used 4x4 to transform. When they peeled back the roll bar padding it revealed a PVC pipe rollbar!
That was on the show Trucks, probalby a good 2 maybe 3 years ago.


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