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Turbo Boost Loss

last year a local mechanic replaced the clutch on my 1976/930 and since I have not felt the pull or boost the car use to have before the clutch. I checked for air leaks and the intercooler among other things. however, when he put the engine back in the car he ripped a hose off and said this is the heat hose and would not affect anything else???? I posted a picture of it. can some one tell me if affects anything. the other picture is the intercooler back side toward the back seat notice there is no screw holding the unit down like there used to be.

comments and feedback please.





Old 07-04-2007, 01:16 PM
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I can't quite make out the pictures (position wise) but the first one does look like a heater hose and would not affect performance, ,just your heat in the cabin.

The second one I don't recognize, although if that is the IC piping to the turbo, it doesn't seem to be seated all the way onto the rubber gasket/o-ring.
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Old 07-04-2007, 07:05 PM
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That is the hose that takes heat from your engine and routs it to your passenger compartment.....but regardless of whether it affects the mchanical performance of your car...you paid someone to fix your car, not destroy another working part of the vehicle's functions. To me, that sort of work is unacceptable. I sincerely hope he's willing to go back in there and make it right.
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Old 07-04-2007, 07:25 PM
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Boost

thanks for input and feedback to both.
Old 07-04-2007, 07:49 PM
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Your intercooler needs to be held down properly otherwise the pressure created by the turbo will escape by pushing the intercooler off the throttlebody. It appears this is the intention of the missing bolt.

In the first picture I noted you have a twin sparkplug engine which is unssual for a 76. Can you tell us a little more about your car?
Old 07-04-2007, 10:56 PM
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Have you pulled the piping to inspect the "O" rubber rings that help provide the seal between the pipe parts.. The tech might have messed one of them up. If the seals arent tight you will get blow by.
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Old 07-05-2007, 06:53 PM
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What kind of gauges do you have in the car? If you have pressure loss wouldn't that show up on a gauge?
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Old 07-06-2007, 09:38 AM
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boost

thanks all,

O rings are good. found the screw and put it back on...it was a b... but got it done. I will test drive Sat.

thanks.
Old 07-06-2007, 08:51 PM
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