in
this forum
in
the entire site
Advanced Search
Cancel
Login / Join
What's New
Forum Listing
Marketplace
Showcase
Gallery
Advanced Search
Members
FAQ
Dark Mode
Light Mode
menu
Log in
Sign up
Home
Forums
Performance and Racing
Performance
Opel Engine Performance Modifications
Follow Forum
Create Thread
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
Filters
Show:
Loading…
1
1 of 24
Go to page
Go
24
Sticky
Opel hi-po cylinder head comparison
RallyBob
Jul 22, 2003
2
34
21K
Oct 6, 2023
by
Dominik
G
Sticky
Porting intake
Geek
Oct 8, 2002
9
10
11
215
72K
Jun 2, 2023
by
RallyBob
Sticky
1.9 to 2.4 Conversion Project Started
opelwasp
Feb 24, 2005
5
6
7
120
55K
Feb 23, 2020
by
Manta Rallier
Sticky
Assembling my 2.4 Stroker
CDN OpelNut
Mar 13, 2007
9
10
11
212
39K
Aug 19, 2015
by
P.J. Romano (R.I.P.)
Sticky
Street porting a 1.9 big valve head
RallyBob
Aug 27, 2005
15
16
17
329
119K
Feb 1, 2015
by
Frozen Tundra GT
Sticky
Side By Side Cylinder Head Comparisons/ RallyBob's Performance Suggestions
Gary
Mar 9, 2002
2
3
4
60
40K
Nov 3, 2013
by
Vincent
Sticky
Cam Cards
Gary
Sep 14, 2013
8
4K
Sep 15, 2013
by
RallyBob
Sticky
What to do if Your Head or Block is Milled? (was "what to do with a decked head?")
GTJIM (R.I.P.)
Jun 19, 2005
4
5
6
116
39K
Sep 16, 2012
by
Vincent
S
Sticky
Performance Cams
swindler_57
Jul 3, 2004
5
6
7
121
49K
Nov 15, 2011
by
wrench459 (R.I.P.)
Sticky
2.4 head porting pics
RallyBob
Oct 11, 2004
15
17K
Jul 16, 2011
by
Lesis
1.9 CIH Turbo Build
DavidF1972
May 30, 2022
3
4
5
192
18K
3d ago
by
DavidF1972
O
C30NE Head
omegagsi
Feb 10, 2006
11
9K
Mar 10, 2024
by
danielhenriq99
D
my 11SR engine
Dominik
Oct 1, 2023
13
2K
Feb 4, 2024
by
Dominik
S
Tale of the Swedish head (Swedenkopf)
snemand
Jan 24, 2012
20
11K
Jan 4, 2024
by
hawker.kelly1
3x more power in 2024
jtdyal
Jan 1, 2024
5
652
Jan 2, 2024
by
DavidF1972
1.6 N CIH tuning
Osman Opel Rekord c
Dec 20, 2023
1
300
Dec 21, 2023
by
CommodĂĄren
Harland Sharp Polylocks
kwschumm
Dec 5, 2023
4
619
Dec 6, 2023
by
kwschumm
T
Headgasket and Squish Question
travelfreak
Jun 27, 2023
8
961
Oct 12, 2023
by
DaveAstra
Videos series on Opel C.I.H. Differences between the generations and Assembling the motor..
GoinManta
Dec 14, 2020
15
4K
Sep 3, 2023
by
Nitromancer
AMR-500 Tiny Supercharger.
Knorm65
Sep 4, 2016
17
24K
Jul 17, 2023
by
Knorm65
Oil cooler install
IT Manta
Aug 19, 2006
14
5K
Jun 6, 2023
by
ARCH 308
P
Ideas for a 2.2L build
pbboy12
Jun 21, 2016
2
3
142
26K
Apr 14, 2023
by
g_s
Hi All- I have retired! Have too many parts and pieces...Here are some things for sale:
bello
Jun 9, 2022
8
2K
Apr 13, 2023
by
Autoholic
M
Compufire ignition to be tested (distributorless ignition)
Maddyn
Jun 17, 2002
4
5
6
211
64K
Mar 29, 2023
by
V6Opel
Roller Rockers for CIH
jmbinjax
Nov 22, 2016
2
88
22K
Mar 23, 2023
by
Autoholic
G
Opel Roller Cam/Roller rocker arms
Guest
Mar 9, 2002
3
4
5
107
30K
Feb 19, 2023
by
opelgt722002
T
Street 2.4 cih Cam Question
travelfreak
Feb 8, 2023
35
3K
Feb 15, 2023
by
GThound
Harland Sharp Roller Rocker Problem
Willhud
Jan 21, 2023
2
51
5K
Jan 31, 2023
by
DavidF1972
Modern 2.5 -2.7L engine build thread
V6Opel
Dec 14, 2017
2
3
115
25K
Jan 26, 2023
by
V6Opel
Shorty Header - One Man's Experience
Ryan Peterson
Oct 3, 2022
10
2K
Dec 10, 2022
by
hrcollinsjr
CIH competition rocker arms
CatCams
Jan 8, 2018
45
19K
Nov 17, 2022
by
gerritoldhof
V
Need Help ! CIH 2.0
Volkan
Nov 15, 2022
11
2K
Nov 15, 2022
by
RallyBob
60-2 Timing Wheel and FI
The Scifi Guy
Nov 6, 2022
7
2K
Nov 13, 2022
by
Young Gt Lover
Gauging interest for intake flanges
RallyBob
Jun 6, 2009
2
48
8K
Nov 7, 2022
by
Frozen Tundra GT
Power increase from FINE tuning
wrench459 (R.I.P.)
Sep 3, 2016
2
3
140
16K
Oct 28, 2022
by
Nitromancer
Has anyone ever made a Stock 1.9L Exhaust Manifold into a "sprint" manifold?
Young Gt Lover
Oct 17, 2022
26
3K
Oct 24, 2022
by
Young Gt Lover
Exhaust X-cross pipe?
GThound
Oct 19, 2022
21
2K
Oct 20, 2022
by
Young Gt Lover
solid lifter conversion
madmann
Sep 15, 2022
3
1K
Sep 16, 2022
by
wilderbry
Stock 1.9 vs 2.0 vs 2.4
Rick O.
Aug 25, 2022
45
5K
Aug 26, 2022
by
CommodĂĄren
Can head porting be done in a week?
GThound
Jul 31, 2022
6
2K
Aug 1, 2022
by
krewzer
Supercharged OHV engine (1.2in my case) build?
ripmasterflexXx
Jul 22, 2022
2
1K
Jul 22, 2022
by
Knorm65
Want to Buy
Crank Trigger Wheel and Sensor Holder
$1 USD
GThound
Jun 20, 2022
Roswell, Georgia
2
3
104
6K
Stock engine component durability
DavidF1972
Jun 29, 2022
14
1K
Jul 1, 2022
by
DavidF1972
Opel Commodore 30E
riaznote8
Jun 16, 2022
0
1K
Jun 16, 2022
by
riaznote8
Can this be made "streetable"?
Opelmel
Oct 12, 2021
2
3
4
136
14K
May 6, 2022
by
Opelmel
1
1 of 24
Go to page
Go
24
Opel Engine Performance Modifications
19.7K
posts
5M
views
Welcome to our community.
Show Less
Join Community
Grow Your Business
Forum Staff
View All
RallyBob
Super Moderator
Top Contributors this Month
View All
DavidF1972
2 Replies
D
danielhenriq99
1 Reply
RallyBob
1 Reply
Recommended Communities
AVS Forum
1M+ members
SkyscraperCity
880K+ members
Deals Forum
40+ members
Home
Forums
Performance and Racing
Performance
Top