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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

vicious shake at 70mph

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Old May 2, 2012 | 07:52 AM
  #1  
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flip4eva83
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From: Moore, Ok
vicious shake at 70mph

I get a vicious shake in the front end while cruising down the highway, it doesn't start til I hit right around 70mph. Where do I need to look to correct the problem, possible culprits?
 
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Old May 2, 2012 | 10:04 AM
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Look at all bushings and joints under the front end. Get under there with the truck on the ground and in the air and shake the hell out of everything looking for the culprit. Also check alignment the tire balance.
 
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Old May 2, 2012 | 10:05 AM
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From: Sandy Level
Also what shape is your rag joint in.
 
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Old May 2, 2012 | 10:20 AM
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Rag joint is good, I will get under there and see what I can find. I was under there the other day and didnt see or feel anything loose, but I will have another look.
 
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Old May 2, 2012 | 02:34 PM
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I just want to know how you got it to go 70mph! You are a true daredevil driving one of these on the stock suspension at 70mph.
 
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Old May 2, 2012 | 03:51 PM
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lol, Im usually cruising the right lane at 65. Just want to get the shake taken care of for when I gun it.
 
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Old May 2, 2012 | 04:05 PM
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131 mph

I originally had a 460 built up with 429 SCJ parts from the cam up in my 68. It had 200 lbs of compression. With a 3.50 gear and 4 speed I wound it up on I-10 to 5500 rpm back in 1976, at the time I thought I was going around 110, I calculated it out later and wondered why I was still around to talk about it. Built Ford Tough. Kenny Nunez
 
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Old May 2, 2012 | 04:09 PM
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Originally Posted by kenny nunez
I originally had a 460 built up with 429 SCJ parts from the cam up in my 68. It had 200 lbs of compression. With a 3.50 gear and 4 speed I wound it up on I-10 to 5500 rpm back in 1976, at the time I thought I was going around 110, I calculated it out later and wondered why I was still around to talk about it. Built Ford Tough. Kenny Nunez
I'm not too worried because I have swapped out both the front and rear suspension on mine. Of course back when I was driving these things because they were all I could afford I would do some things I would never do today.
 
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Old May 2, 2012 | 04:52 PM
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Thumbs up cv clip

Elgemcdlf , I like what you did with your truck. At this time I am planning to put a cv under my ranger but not lower it as much. I am also going to build up a 5.4 quad cam or if I win the Lottery get a new 5.0. As for the rear possibly a Explorer or Mountaineer . Kenny Nunez
 
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