Thread: End of the 5.3
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Old 12-19-2017, 01:19 PM   #7
ChevyRules

 
Drives: 2021 Tesla Model 3 LR
Join Date: May 2016
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Quote:
Originally Posted by NASTY99Z28 View Post
Why do hd's get the lesser v8?
The 6.0's are still the Gen IV Small Block. Also not sure if they are an Iron Block or eventually GM changed it over to the aluminum block version. Probably all have to do with cost.
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