• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

Help on Compression Results

  • Thread starter Thread starter gcwh02
  • Start date Start date Sep 25, 2006

gcwh02

New Member
Jun 20, 2005
515
0
0
pottstown, PA
Sep 25, 2006
#1
  • Sep 25, 2006
  • #1
First, heres the results
1 cylinder-220
2-240
3-240
4-240
5-235
6-240
7-240
8-210

First time ive ever checked compression so Im wondering if I should be worrying about the 1st and 8th cylinder? Thanks for the input guys.
Greg
 

Fett

New Member
Nov 2, 2004
766
6
0
Sep 25, 2006
#2
  • Sep 25, 2006
  • #2
Rule of thumb is, 15% either way is fine. As long as all 8 are within 15% of each other, you are fine.
 

gcwh02

New Member
Jun 20, 2005
515
0
0
pottstown, PA
Sep 25, 2006
#3
  • Sep 25, 2006
  • #3
thanks a lot fett
 

HISSIN50

"How long does it take to get help in here?
15 Year Member
Nov 29, 1999
31,179
33
129
Sep 25, 2006
#4
  • Sep 25, 2006
  • #4
Those are some high numbers.
 

gcwh02

New Member
Jun 20, 2005
515
0
0
pottstown, PA
Sep 25, 2006
#5
  • Sep 25, 2006
  • #5
haha thanks hissin... its a workin progress
 
You must log in or register to reply here.

Similar threads

C
Engine Cylinder 5,,7, & 8 run significantly cooler than the other cylinders
  • Crisfixes
  • Sep 27, 2025
  • Fox 5.0 Mustang Tech
Replies
1
Views
213
Fox 5.0 Mustang Tech Sep 27, 2025
Noobz347
D
66 Coupe Progress Thread
  • DTCRAWLEY
  • Apr 19, 2026
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • 2
Replies
39
Views
700
1965 - 1973 Classic Mustangs -General/Talk- Yesterday at 11:06 AM
DTCRAWLEY
D
5
Resolved Code 70?? KOEO
  • 5.0-5MT
  • Jun 23, 2024
  • Fox 5.0 Mustang Tech
Replies
17
Views
1K
Fox 5.0 Mustang Tech Aug 6, 2024
General karthief
Engine 1994 5.0 refuses to idle
  • FordFanatic1894
  • Jul 20, 2025
  • 1994 - 1995 Specific Tech
Replies
14
Views
473
1994 - 1995 Specific Tech Jul 22, 2025
General karthief
L
Engine Need help diagnosing 2 dead cylinders
  • lvgnmz
  • Feb 13, 2025
  • Fox 5.0 Mustang Tech
Replies
3
Views
413
Fox 5.0 Mustang Tech Feb 13, 2025
Mustang5L5
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?