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Old 05-09-2025, 05:34 PM   #2
RobZL1
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Drives: 2017 ZL1
Join Date: Aug 2017
Location: ATL
Posts: 1,849
Here is what I saw on the interwebs about the newer one:

• Intended as a service engine for 2022-2024 ZL1 . Can be used on earlier LT4 applications, however the cam phaser/actuator changed and we are NOT responsible for any issues you may encounter by installing this in an earlier vehicle!

I would imagine it's a moot point if you are using a standalone. Just my opinion. I thought they were the same, minus the oil pump updates and maybe some other part/vendor changes
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13

Mods being installed-
oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc.
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