C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Cut plenum gaskets

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Old Apr 23, 2021 | 11:00 AM
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Default Cut plenum gaskets

Why would anyone do this?

Joe K
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Old Apr 23, 2021 | 11:01 AM
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To gain that additional 75 Hp
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Old Apr 23, 2021 | 11:08 AM
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Originally Posted by XFIRED
To gain that additional 75 Hp
Exactly what I thought.
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Old Apr 23, 2021 | 03:04 PM
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Originally Posted by Joe K
Why would anyone do this?

Joe K

Joe, i have never seen it, but i would guess, if a person had “siamesed” the runners.

did u start a thread to assist in getting the 85 running again?
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Old Apr 23, 2021 | 03:20 PM
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Originally Posted by VikingTrad3r
did u start a thread to assist in getting the 85 running again?
No it ran but has a coolant switch code 14. I have an FSM and I'm going to check it out Monday or Tuesday. Didn't want to start this morning. Just how it's going. That's a new switch and pigtail. Not like I haven't had it disassembled or anything.
Thanks
Joe K
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