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Discussion Starter #1
Once this thing gets to about about 100- 120, it shakes like a cat ****ting razor blades.!!!!!!!!
Can I say that here.?
I just did .
Too late now.
Has new uni joints and whole new tail shaft.
Could it be wheel balance, or should I say lack of wheel balance
Any thing I should check.

If in doubt give it a clout
If at first you don't succeed , find a bigger hammer
http://albums.photopoint.com/j/view?u=1584152&a=12055089&p=43600042.jpg<P ID="edit"><FONT SIZE=-1>Edited by AussieMustang on 03/28/01 07:07 AM (server time).</FONT></P>
 

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Discussion Starter #3
Holly snapping duck [censored] , that car sure is BLUE.
Looks sharp.
It's about as BLUE as my car is GREEN

If in doubt give it a clout
If at first you don't succeed , find a bigger hammer
http://albums.photopoint.com/j/view?u=1584152&a=12055089&p=43600042.jpg
 
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Are you running Radial or bias tires. Bias tire get our of round. Had a RV that looked like a low rider going up the interstate at about 65. The front end was up and down.

http://members.tripod.com/tangdar/
'67 Coupe project car (Did I say project car? I meant pile of rust)
http://www.americainter.net/~fevans/tangdar_flintstone.jpg
 

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I know! Somebody put your steering wheel on the wrong side!

Required tools for operating a Vintage Mustang:
1. Duct Tape
2. J.B. Weld
3. B.F.H. (Big Fat Hammer)
4. VINTAGE MUSTANG FORUMS II
(Power is cheap, reliability costs money!)
 
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I'll bet it's your driveshaft. They are typically not balanced for those speeds. Think about it like this: a 24" diameter tire turns about 835 times per mile. A rear gear ratio of 3.00:1 means that the driveshaft in turn spins 2505 times in the same mile, and at 120 miles per hour (2 miles per minute) your drive shaft is spinning at about 5,010 rpm. Thats pretty quick! Try taking the driveshaft loose from the rear and rotating it 180 degrees while the rear is stationary. (re-index it). What might be happening is that the tranny / rear imbalance may be combining with the shaft's imbalance to really vibrate. If the different imbalances can be made to counteract, you'll have a nice(r) ride. (I assume you're only doing these speeds on a closed course, with safety gear!) You may also want to just double heck your u-joints, ball joints, etc.... But I assume you already did, since no one should go 100+ in a car that was not looked over carefully. Good luck.

Red '67 Coupe / 289 bored-stroked to 306 / toploader 4spd / 8" Currie Ent. 3.80:1 rear / lowered front A arms / 620 lb springs / etc..
Used for drive-in nights and open track days!
 
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are you talking kilometers or miles per hour.
M-eoo-oo--oow!!
jimbo

M.C.A.# 50000
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A new one on me too!! Heard of shaken like a dog crappen
peach seeds but the cat's even better..

66 Coupe, 289/2v, C4, CA Red
 

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Discussion Starter #9
Yeah I''m talking kilometers per hour.
My car wouldn't do 120 mph if you threw it down a mine shaft!!!!!!!
Sure do shake like it's doing 120mph.

If in doubt give it a clout
If at first you don't succeed , find a bigger hammer
http://albums.photopoint.com/j/view?u=1584152&a=12055089&p=43600042.jpg
 
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