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Back fires and missing

Tiny
JAMESC10
  • MEMBER
  • 1977 CHEVROLET CHEYENNE
  • V8
  • 2WD
  • AUTOMATIC
  • 101,000 MILES
I have a 1977 chevy c10 with a sb 350 it sound like it is missing and I know it is back fires and ideas
Wednesday, December 29th, 2010 AT 10:55 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure, Carb's accelerator pump/power valve and also the ignition timing-valves could be hanging up-Check engine compression
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Wednesday, December 29th, 2010 AT 11:10 PM
Tiny
JAMESC10
  • MEMBER
  • 4 POSTS
What is the tool called that I use to check the air compresson in piston chamber that screws in tho the spark plug
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Wednesday, December 29th, 2010 AT 11:17 PM
Tiny
JAMESC10
  • MEMBER
  • 4 POSTS
How do I check the ignition timing
could I have a back jet in my carb? If I switch to a carb I know works fine do you think that could fix the problem
thank for you help so far
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Wednesday, December 29th, 2010 AT 11:21 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You'll be needing a compression gauge and inductive timing lite-to check engine compression and ignition timing
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Thursday, December 30th, 2010 AT 12:59 AM
Tiny
JAMESC10
  • MEMBER
  • 4 POSTS
Well I have a bad piston ring on my 7th piston or my valve bc it is only at 55 and the others are at 120 or 115 so I am looseing compression on the 7th piston it is on time it has to do with the compression
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Thursday, December 30th, 2010 AT 10:46 PM

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