157 tooth vs 164 tooth flywheel - Vintage Mustang Forums

 
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post #1 of 8 (permalink) Old 07-09-2012, 01:18 PM Thread Starter
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157 tooth vs 164 tooth flywheel

I just purchased a 1972 351w engine. It came out of a car with an automatic transmission. I will be installing it with a 4 speed toploader. I am looking for a bellhousing and flywheel and came across the two different sizes. What are the (other than obvious) differences. Is there an advantage to one or the other? Thanks.
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post #2 of 8 (permalink) Old 07-09-2012, 02:33 PM
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Using the 164-tooth flywheel you can run an 11" clutch. Besides the bellhousing and flywheel you'll also need a new block separator plate for the larger bell.
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post #3 of 8 (permalink) Old 07-09-2012, 03:06 PM Thread Starter
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post #4 of 8 (permalink) Old 07-09-2012, 03:18 PM
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157 tooth flywheel = 10.5" clutch , 164 tooth flywheel = 11" clutch , 157 riverside avenue = REO !

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post #5 of 8 (permalink) Old 07-09-2012, 03:26 PM Thread Starter
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What about the flywheel balance. I see some are 23 oz, some 50oz.
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post #6 of 8 (permalink) Old 07-09-2012, 06:58 PM
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All 351s require the 28.8 oz-inch imbalance flywheel or flexplate.
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post #7 of 8 (permalink) Old 07-09-2012, 08:05 PM
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Originally Posted by Harleydave View Post
What about the flywheel balance. I see some are 23 oz, some 50oz.
50oz. is for the newer mid 80's to mid 90's 302HO AKA 5.0.
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post #8 of 8 (permalink) Old 07-09-2012, 09:35 PM Thread Starter
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