Balancer Size (continued) - Team Camaro Tech
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post #1 of 7 (permalink) Old Apr 14th, 11, 02:11 PM Thread Starter
jamesv
 
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Balancer Size (continued)

In an earlier thread I posted a question, Do I have the right harmonic balancer on my car? Continuing it, having learned the correct size is 6.75, I was going to purchase it. I see that balancer that they say goes to my engine has no degree markings on it. The 8" one I have does. Does that make a difference? Sorry if I sound ignorant, but I am when it comes to this. TY
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post #2 of 7 (permalink) Old Apr 14th, 11, 04:01 PM
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Re: Balancer Size (continued)

The origininal has 1 mark, as all standard (factory) balancers had, If you go to the 8" make sure your timing marks, (on your) cover will fit, my 79 Caprice had the mark a 12
0clock high, the 8" wont fit, and very hard to time,
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post #3 of 7 (permalink) Old Apr 14th, 11, 07:43 PM
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Steiner
 
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Re: Balancer Size (continued)

Don't forget to also purchase a new timing tab if you get the 6.75" one. Does your engine have a tab bolted to the timing chain cover with two of the bolts or a pointer tacked to the front of the timing chain cover?

Your 8" one is likely an aftermarket one if it has several degree marks. Most will have just one mark that indicates #1 cylinder at TDC when the mark is lined up with the timing pointer or 0 mark on the timing tab.

Don't fret too much over that right now though....if you're simply replacing the balancer the timing is not going to be affected.

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post #4 of 7 (permalink) Old Apr 15th, 11, 05:11 AM
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Re: Balancer Size (continued)

I bought one from Summit (6.75" from 8") that has all the degree marks.
Go that route

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post #5 of 7 (permalink) Old Apr 15th, 11, 01:26 PM Thread Starter
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Re: Balancer Size (continued)

Wow...thank you all!
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post #6 of 7 (permalink) Old Apr 15th, 11, 01:53 PM
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Re: Balancer Size (continued)

Another thing to consider, you go with some timing tape on the balancer if it doesn't have marks or if you want more marks on it:

http://www.summitracing.com/search/P...kr=timing+tape

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post #7 of 7 (permalink) Old Apr 15th, 11, 02:51 PM
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Re: Balancer Size (continued)

Also if you wanted to put a little time (no pun intended) into it.

measure the OD = 360*
half of it = 180*
half of it = 90*
half of that = 45* (mark it...about 3.14159")
So approximately every .070 is 1 *
1.5707 = 22.5*
.7854 = 11.25*

You get the drift Or, just get a timing tape for your size balancer and use an engraver to mark it up

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1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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