CorvetteForum - Chevrolet Corvette Forum Discussion

C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

Engine leak down test

Thread Tools
 
Search this Thread
 
Old Dec 26, 2009 | 05:40 PM
Share
  #1  
bearnest's Avatar
bearnest
Thread Starter
Pro
 
Joined: Jan 2008
Posts: 543
Likes: 0
From: ROANOKE VA
Default Engine leak down test
Wondering how to do a engine leak down test on a C5Z?
Reply
0
Old Dec 26, 2009 | 05:51 PM
Share
  #2  
dougbfresh's Avatar
dougbfresh
Le Mans Master
 
Joined: Nov 2005
Posts: 6,993
Likes: 25
Default
The same way you do on most any gas 4 cycle engine.
Reply
0
Old Dec 26, 2009 | 08:18 PM
Share
  #3  
bearnest's Avatar
bearnest
Thread Starter
Pro
 
Joined: Jan 2008
Posts: 543
Likes: 0
From: ROANOKE VA
Default
And how is that?
Reply
0
Old Dec 26, 2009 | 08:50 PM
Share
  #4  
aweil's Avatar
aweil
Pro
15 Year Member
 
Joined: Sep 2005
Posts: 593
Likes: 5
From: Murphy TX
Default
1. Yank plugs.
2. Turn cylinder to TDC that you want to test.
3. Insert leakdown hose in spark plug hole of said cylinder.
4. Pressurize leakdown tester and turn regulator to desired pressure.
5. Read tester gauge and determine leakdown percentage.

Repeat for any other cylinder you care about.
Reply
0
Old Dec 26, 2009 | 09:35 PM
Share
  #5  
stunter steve's Avatar
stunter steve
Advanced
 
Joined: Dec 2008
Posts: 52
Likes: 0
From: LaCrosse Wisconsin
Default
http://www.2carpros.com/dia/how_to_c...ompression.htm
Reply
0
Old Dec 26, 2009 | 09:44 PM
Share
  #6  
Chevy Guy's Avatar
Chevy Guy
Team Owner
20 Year Member
 
Joined: Jan 2004
Posts: 22,185
Likes: 65
From: NJ
Default
Originally Posted by dougbfresh
The same way you do on most any gas 4 cycle engine.
This is an OT worthy response.
Reply
0
Old Dec 26, 2009 | 10:42 PM
Share
  #7  
bearnest's Avatar
bearnest
Thread Starter
Pro
 
Joined: Jan 2008
Posts: 543
Likes: 0
From: ROANOKE VA
Default
thanks, new how to do compression test just wondering if I could use the same gauge.
Reply
0
Old Dec 26, 2009 | 11:04 PM
Share
  #8  
aweil's Avatar
aweil
Pro
15 Year Member
 
Joined: Sep 2005
Posts: 593
Likes: 5
From: Murphy TX
Default
Originally Posted by bearnest
thanks, new how to do compression test just wondering if I could use the same gauge.
No. Buy a leakdown tester. Jegs sells one.
Reply
0
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Joe Kucinski
story-1

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-2

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-3

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-4

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-5

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-6

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-7

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-8

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-9

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
Old Dec 26, 2009 | 11:43 PM
Share
  #9  
SJPD's Avatar
SJPD
Safety Car
 
Joined: Jan 2009
Posts: 3,704
Likes: 2
Default
Originally Posted by Chevy Guy
This is an OT worthy response.
but it is the correct one
Reply
0
Old Dec 28, 2009 | 04:06 PM
Share
  #10  
kh400's Avatar
kh400
Pro
15 Year Member
Veteran: Navy
Liked
Community Favorite
 
Joined: Feb 2009
Posts: 651
Likes: 33
From: North Port Florida
Default
you can buy a leakdown tester at harbor freight at a very reasonable price. With instructions. Good luck!!!
Reply
0

Get notified of new replies

To Engine leak down test

Tags
Back to Subforum
C5 Tech
View Next Unread
Alternative filters for dual cone intake




Click for Advanced Search
Reply Closed Thread Share
Forum Jump
Trending Topics

All times are GMT -4. The time now is 08:39 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