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Does it hurt the motor to drive with heat exchangers off?
I'm contemplating taking my car to a shop to have the old heat exchangers removed. (I already broke a stud and the rest are unbelievably rusted.) Would it damage anything to drive home with nothing attached to the studs at all?
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John Original owner '81 911SC blackmetallic coupe. Terbatrol, SSI, M+K Gen 4, SC+ cams, A/C delete, console delete, heater backdate, 7 & 8 x 16 Fuchs with polished rims, Turbo tie rods, tensioner update, Rennline engine mount bar, Mainely Custom sump plate, new top-end, corner balance. |
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06-24-2006, 05:19 PM
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Join Date: Jan 2004
Location: Richmond,Va
Posts: 916
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yes yes
Yes it will hurt the car if you drive with no exhaust....It would be safer to drive to shop with the one exhaust stud missing. The labor to finalize the install would be cheap enough to have them finish it.
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Harold 
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06-24-2006, 05:26 PM
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I considered that, but I thought I'd like to get in and do some cleanup with the exhaust off.
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John Original owner '81 911SC blackmetallic coupe. Terbatrol, SSI, M+K Gen 4, SC+ cams, A/C delete, console delete, heater backdate, 7 & 8 x 16 Fuchs with polished rims, Turbo tie rods, tensioner update, Rennline engine mount bar, Mainely Custom sump plate, new top-end, corner balance. |
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06-24-2006, 05:31 PM
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You do not have permissi
Join Date: Aug 2001
Location: midwest
Posts: 39,870
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hkspwrsche, Can you please explain furthur?
The exhaust part I agree with, because lack of backpressure would keep them stagnent, but I thought the fan pushed outside air through the shroud past the cylinder barrels and into the HE system. There, that air flow either went out the small diverter vents at the sides, or into the cabin. If there was an easier path to vent that hot air (like missing routing hoses), wouldn't the cooling/cabin heat system function more efficiently? Please correct any mis-logic, thx. |
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06-24-2006, 06:34 PM
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1981 Porsche 911SC
