timing

1978 CHEVROLET MALIBU
20,000 MILES
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2000 TAHOE ONE
  • MEMBER
  • 25 POSTS
I was told you can make sure your at tdc buy watching and wait for second valve on drivers side head to come all the up then you at tdc. Is this true and if so how would you correct it
Apr 19, 2012 at 5:47 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Pull no 1 spark plug and turn engine by hand have someone place a finger over No1 plug hole, stop when they feel compression building, check timing make, turn untill pointer aligns with 0 this is TDC indicated, if valve timing is correct.
Apr 19, 2012 at 6:10 AM
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2000 TAHOE ONE
  • MEMBER
  • 25 POSTS
so update got car started and runs but when i give it gas it back fires through the carb any ideas
Apr 19, 2012 at 11:10 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Recheck the valve and ignition timing-its probably 180 deg off-
Apr 19, 2012 at 11:16 AM
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