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1967 Ford Mustang Rattle when accelerating

Tiny
WILLYGOMZ
  • MEMBER
  • 1967 FORD MUSTANG
  • V8
  • 2WD
  • AUTOMATIC
  • 100,200 MILES
Hi there, I know you must have answered this question before and probobly know exactly what the problem is as well as the solution.
The car seems to take off in first gear just fine. Once the car is cruising normal and I accelerate just a little too hard the engine makes a rattling noise and the car doesn't have as much power. If I accelerate softer the noise seems to go away or is simply covered up by the noisie exaust. Has a 289. Other then this and some suspension issues and break light problems, car is running GREAT!
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Wednesday, December 17th, 2008 AT 3:45 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Spark knock what octain are you useing? Suggest 89
Also check dwell and timming and verfiy the vacuum advance is working.
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Wednesday, December 17th, 2008 AT 3:55 PM
Tiny
WILLYGOMZ
  • MEMBER
  • 2 POSTS
Using premium only. Timing was adjuted two months ago. Will first find out what vaccum advance is and how to check if it is working and I'll get back to you. Thank you very much for helping. Hope to get it working right.
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Thursday, December 18th, 2008 AT 8:44 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
It is on dist. Little can with hose attached. Take a timming light run engine oull hose rev up to 1800rpms Timing make should advance about 15deg. Then check vac. On hose should be there attach rev up 2000rpms advance should go up to @35deg. If no advance in first step centrifugl advance in op if no advance in step two vac adv. In op.
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Thursday, December 18th, 2008 AT 10:03 AM

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