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Opel Engine Performance Modifications
18.7K
3.5M
3 h ago
18.7K
3.5M
3 h ago
Fuel Injection Mods
Modifications and improvements to Opel F.I. systems
4K
606K
5 mo ago
4K
606K
5 mo ago
Performance Suspension and Braking Upgrades
3.8K
818K
4 mo ago
3.8K
818K
4 mo ago
Clutch, Transmission and Drive-train Upgrades
5.3K
1.1M
5 d ago
5.3K
1.1M
5 d ago
Engine Swap Forum
Discussions on replacement engines
9.5K
2.9M
3 h ago
Sub-forums
FrankenOpel
9.5K
2.9M
3 h ago
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New Members- Please Read
Gary
Mar 12, 2005
Locked
1
4K
Jan 21, 2006
by
baz
A
Honda VTEC valves in 1.1 OHV head for the win!
avendler
Apr 29, 2019
2
3
4
60
5K
29 d ago
by
LynnB
Opel 2.0 CIH 16V
davegt27
Oct 12, 2017
2
1K
5 mo ago
by
davegt27
N
Remap - pros & cons
noc32
5 mo ago
1
240
5 mo ago
by
Witness
Performance parts?
Raymond
7 mo ago
7
750
5 mo ago
by
RonnGM
Ergonomic air intake snorkel
krewzer
Sep 17, 2019
5
598
10 mo ago
by
krewzer
K
Lowering my Olympia A 1969
KennethLDK
11 mo ago
7
324
11 mo ago
by
RallyBob
C
1971 Opel GT with Zetec engine and 6 speed Subaru Tranny
charles052
Dec 26, 2019
14
1K
Dec 29, 2019
by
99449
T
a400 group B 2.4 rebuild
teamddr
Jun 6, 2017
6
1K
Jan 17, 2018
by
davegt27
E
Coilover issues
eklo
Oct 14, 2015
5
2K
Oct 24, 2017
by
davegt27
O
ultra super comp hp ?
opel_inside
Feb 23, 2016
10
1K
Feb 23, 2016
by
69whitegt
Oh no, I've dented my headers ....
ggl
Feb 8, 2016
6
2K
Feb 8, 2016
by
RallyBob
36-1 tone rings/trigger wheels fun.
wrench459 (R.I.P.)
Dec 13, 2015
10
1K
Dec 16, 2015
by
wrench459 (R.I.P.)
knock control
wrench459 (R.I.P.)
Nov 26, 2015
0
813
Nov 26, 2015
by
wrench459 (R.I.P.)
C
For WRC celebration High Performance Parts Special Deals
chevyate
Nov 17, 2015
0
994
Nov 17, 2015
by
chevyate
Z
Turbo GT Stock or not??
Zebusarus_rex
Jun 28, 2015
2
22
3K
Jul 5, 2015
by
wrench459 (R.I.P.)
J
ECU re-flashing
johnyp
May 24, 2015
6
3K
May 29, 2015
by
johnyp
T
enginebay airflow, cooling, getting cold air in and the heat out.
TMB
Jan 4, 2015
8
2K
Jan 5, 2015
by
opelspyder
Calculating CFM needs
ggl
Mar 7, 2014
14
2K
Nov 28, 2014
by
Vincent
Add Lightness
azopelnut
Oct 16, 2009
2
36
10K
Aug 7, 2014
by
ggl
Automotive Calculators
ggl
Jan 23, 2014
6
2K
Jan 25, 2014
by
wrench459 (R.I.P.)
U
C20XE World Record
UPG
Mar 25, 2013
10
10K
Nov 15, 2013
by
UPG
Fresh Fuel
wrench459 (R.I.P.)
Jan 19, 2013
10
3K
Jan 20, 2013
by
ggl
W
Chassis Stiffening
wankelgt
Feb 28, 2011
13
5K
Jul 27, 2012
by
Team Unter Puff
cooler running A/F bung
wrench459 (R.I.P.)
Jun 20, 2012
3
2K
Jun 21, 2012
by
GoldGT
Conreo GT and the Steinmetz GT
proracer
Aug 20, 2011
3
3K
Aug 21, 2011
by
proracer
pin locks
wrench459 (R.I.P.)
Jan 13, 2011
9
4K
Jan 22, 2011
by
wrench459 (R.I.P.)
Just how GM is the Opel for Performance Upgrades?
Rotard
Sep 28, 2010
7
5K
Oct 2, 2010
by
Rotard
Ugly
wrench459 (R.I.P.)
Aug 13, 2010
7
3K
Aug 13, 2010
by
wrench459 (R.I.P.)
Cooling system upgrade - custom surge tank
RallyBob
Jun 27, 2010
2
20
11K
Aug 2, 2010
by
wrench459 (R.I.P.)
Tuning issues
wrench459 (R.I.P.)
Jun 22, 2010
1
3K
Jun 22, 2010
by
hrcollinsjr
Any Interest in RallyBob Fabricated Parts?
RallyBob
Nov 19, 2004
19
20
21
406
59K
Apr 5, 2008
by
neuropel
2.2 EFI Intake manifold versus 2.4 EFI versus Carb
2 Fast 4 U
Nov 25, 2005
2
3
42
3K
Dec 13, 2005
by
kwilford
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Performance
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