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1979 Chevy Corvette Overheating

Tiny
BOHEMO2
  • MEMBER
  • 1979 CHEVROLET CORVETTE
  • V8
  • 2WD
  • AUTOMATIC
  • 72,000 MILES
As I asked previously. Will a 2" exhaust system on a 400+ HP engine create too much back pressure and cause a over heating proplem? The cooling system is perfect and the timing is correct. The last answer I got was worthless. I am not going to donate again if all I get are rediculus answers.
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Wednesday, July 30th, 2008 AT 7:03 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
With 2" exhaust system it should be able to improve the volumetric efficiency meaning how well the engine breaths

Have you attempted to bleed the cooling sytem if not do so-

Check the vacuum at idle if its low and it continues to drop then there's a backpressure could be due to
a clogged catalytic converter is usually the culprit here, but don't overlook the possibility of a crushed pipe or a collapsed double wall pipe.

HTH
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Wednesday, July 30th, 2008 AT 8:06 PM

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