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

Cut plenum gaskets

Thread Tools
 
Search this Thread
 
Old Apr 23, 2021 | 11:00 AM
  #1  
Joe K's Avatar
Joe K
Thread Starter
Pro
Supporting Gold
Veteran: Army
Liked
Loved
Top Answer: 1
 
Joined: Jun 2018
Posts: 656
Likes: 239
From: Louisville, Ky
2022 C4 of the Year Finalist - Unmodified
Finalist 2020 C4 of the Year - Unmodified
C4 of Year Finalist (appearance mods) 2019
Default Cut plenum gaskets

Why would anyone do this?

Joe K
Reply
Old Apr 23, 2021 | 11:01 AM
  #2  
Chris_G's Avatar
Chris_G
Melting Slicks
Supporting Lifetime
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 1999
Posts: 2,279
Likes: 129
From: NOVA
St. Jude Donor '05-'06-'07
Default

To gain that additional 75 Hp
Reply
Old Apr 23, 2021 | 11:08 AM
  #3  
Joe K's Avatar
Joe K
Thread Starter
Pro
Supporting Gold
Veteran: Army
Liked
Loved
Top Answer: 1
 
Joined: Jun 2018
Posts: 656
Likes: 239
From: Louisville, Ky
2022 C4 of the Year Finalist - Unmodified
Finalist 2020 C4 of the Year - Unmodified
C4 of Year Finalist (appearance mods) 2019
Default

Originally Posted by XFIRED
To gain that additional 75 Hp
Exactly what I thought.
Reply
Old Apr 23, 2021 | 03:04 PM
  #4  
VikingTrad3r's Avatar
VikingTrad3r
Oil Producer
Supporting Gold
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2014
Posts: 9,363
Likes: 2,734
Default

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?
Reply
Old Apr 23, 2021 | 03:20 PM
  #5  
Joe K's Avatar
Joe K
Thread Starter
Pro
Supporting Gold
Veteran: Army
Liked
Loved
Top Answer: 1
 
Joined: Jun 2018
Posts: 656
Likes: 239
From: Louisville, Ky
2022 C4 of the Year Finalist - Unmodified
Finalist 2020 C4 of the Year - Unmodified
C4 of Year Finalist (appearance mods) 2019
Default

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
Reply

Get notified of new replies

To Cut plenum gaskets





All times are GMT -4. The time now is 10:06 AM.

story-0
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-1
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-2
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-3
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-4
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-5
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-6
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-7
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-8
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-9
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE