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Old 06-21-2016, 12:13 AM   #1
my69396
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Default 520 heads

What is the difference between a 520 head and a 520 T head.Is it worth finding a 520 T head if I have a set of 520 heads?
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Old 06-21-2016, 12:38 PM   #2
MR DERBY CITY
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Default Re: 520 heads

The T, no....
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Old 06-21-2016, 12:46 PM   #3
Dwight Southerland
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Default Re: 520 heads

Depends on what you have. As a general rule, the later heads are better than the early heads. But the T is not necessary. It's just that the T heads are all late production heads.
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Old 06-21-2016, 12:52 PM   #4
MR DERBY CITY
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Default Re: 520 heads

To answer your question seriously, if the heads are to be , shall we say chemically enhanced....then you will be fine with either head or even an 896 casting.
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Old 06-22-2016, 01:03 PM   #5
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Default Re: 520 heads

Quote:
Originally Posted by Dwight Southerland View Post
Depends on what you have. As a general rule, the later heads are better than the early heads. But the T is not necessary. It's just that the T heads are all late production heads.
Dwight if you where to build a 283 stick car what would a starting trans and end ratio would you chose. Jim
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Old 06-22-2016, 01:51 PM   #6
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Default Re: 520 heads

Jim, you have a PM.
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