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Why does engine cut out at 50 mph

Tiny
DERF
  • MEMBER
  • 1961 PONTIAC
  • 100,000 MILES
Have replaced coil, points, condenser, fuel pump. Engine still cut out at 50 mph in high gear. 45 in 2nd no problem High rpm in neutral - runs fine. Just not at 50 on highway
Saturday, September 17th, 2011 AT 6:40 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Whe you replaced the points, how did you set them? Did you do it by gap or did you use a dwell meter?
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Saturday, September 17th, 2011 AT 7:59 PM
Tiny
DERF
  • MEMBER
  • 2 POSTS
I set them with a dwell meter. The engine is a flathead 6. I set the dwell at 30 point gap 0.020 Should I advance or retart the timing?
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Saturday, September 17th, 2011 AT 10:36 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
The dwell doesn't sound right. It has been a long time, but if I remember correctly, 28 - 32 degrees dwell sounds like it is for a V8. Double check that.
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Sunday, September 18th, 2011 AT 1:55 AM

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