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Technical discussions specific to 1964-1967, 1968-1970, and 1971-1973 Classic Mustang. Discuss all tech related to in-line six cylinder and V8 powered Vintage Mustangs here.

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Unread 12-17-2002   #1 (permalink)
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Default HELP! 302 Harmonic Balancer ??

I just bought a 65 Ranchero that has a '78' 302-2v Truck engine. Only #s I can see (right now) is D8TE off the EGR valve and intake.

Anyways, the engine has a vibration. (knew it when I bought it). Dude said it was a bad damper. Ok... No problem right ??

Just picked up a 28oz damper off a Small block today (D00E-C1.

I was checking out the one on the Ranchero and it is thicker! It's about 1 1/2" thick -Vs- about 1" thick for the D00E!

WTF is going on here! Did a previous owner accidently install a 50oz balancer or WHAT ???

How thick are 50oz balancers ??
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Unread 12-17-2002   #2 (permalink)
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I believe windsors are balanced with both flexplate/fly wheel and damper it may pay to check that as well
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Unread 12-17-2002   #3 (permalink)
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I know, I'm gonna try the balancer first before I drop the transmission.

Anyone know the physical differences/measurements between the 28oz and 50oz Harmonic Balancers ??
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Unread 12-18-2002   #4 (permalink)
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The 50oz balancer came out 1981 and later (5.0 engine)

The early Pre 81 has a 28oz balancer.

The counter weights are different between 28oz and the 50oz. If you have the 50oz counter weight, maybe someone put a late model crank shaft in your engine ???? Check the crank numbers to see if it is a late model crank.

Easy solution. Buy a Pro-Street or Summit Balancer for a SB Ford which has the removable counter-weights and multi-position timing marks plus they fit 3 and 4 bolt pulleys........
 
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Unread 12-19-2002   #5 (permalink)
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Roger that Oz.

What has me confused is the physical size difference in the damper on the engine and the one I picked up.

Can anyone verify if ALL 28oz balancers the same thickness or are there differences within the 28oz balancer family ???
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Unread 12-19-2002   #6 (permalink)
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yes, the 28oz balancer is thicker by 7/16 of an inch
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Unread 12-19-2002   #7 (permalink)
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there are different thickness'es of stock balancers, and many bolt patterns....I would get the numbers off of the one that was on your car....
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Unread 12-20-2002   #8 (permalink)
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Quote:
Originally posted by rks'92/5.0
yes, the 28oz balancer is thicker by 7/16 of an inch
Hmm... The balancer I picked up is about an 1" thinner than the one on the car. It has a D00E-C1 part#. Can't get to the #s on the one on the car (YET).

Is it possible the thicker one on the car is ALSO a 28oz balancer ??
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Unread 12-20-2002   #9 (permalink)
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Just got the # of the damper (from the engine in the car).

It's C9TE-A2.

Is that a 28oz balancer ??

If so, can I swap it out with the thinner D00E-C1 28oz balancer ??
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Unread 12-20-2002   #10 (permalink)
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ok, it is a 69 ballancer, there are 3 possibilitys, a 3 bolt one that has the PN C5OZ-6316-C, D2AZ-6316-A (for a 351, but will fit) and D2TZ-6316-B (most common for a 69 302)
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Unread 12-20-2002   #11 (permalink)
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Both dampers are 4 bolt variety.

Will they interchange even though they are of different thicknesses ??
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Unread 12-21-2002   #12 (permalink)
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Quote:
Originally posted by Katmandu
Both dampers are 4 bolt variety.

Will they interchange even though they are of different thicknesses ??
they can, but you need the same thicknesss to keep your pulleys lined up
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Unread 12-21-2002   #13 (permalink)
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Hmmmm.....Thanks Twister.

How would I line up the pulleys if I swap the balancers ??

Only things I'll be running are the fan and alternator.
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Unread 10-06-2011   #14 (permalink)
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you would have to make a spacer or purchase one I believe Ford has a spacer to keep pulleys aligned its for 351 windsor swap into fox bodies using 302 pulleys and accessories. but might work for you.
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