Delayed popping under load

Tiny
SHADE TREE11
  • MEMBER
  • 1983 FORD F-150
  • 160,000 MILES
Adjusted timing, adjusted carburator, replaced and gapped sparkplugs, replaced rotor and cap. Checked vacumm lines. Sounds good revved up, no black smoke, no backfiring. But pops under load every twenty seconds or so
depending on the speed
Do you
have the same problem?
Yes
No
Tuesday, September 27th, 2011 AT 9:30 PM

1 Reply

Tiny
HMAC300
  • EXPERT
Check for a bent pushrod/broken valve spring, etc.
Was this
answer
helpful?
Yes
No
Tuesday, September 27th, 2011 AT 10:21 PM

Please login or register to post a reply.

Recommended Guides