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Smog tech and emissions tech
This is where you go to get info on smog testing and emission control.West coast is Joe Chung, east coast is Jim Testa.
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Champion Irons / EGR and CA emissions testing
Drewster
Mar 25, 2012
Replies
7
Views
5K
Jul 19, 2012
John Wilde
J
K
Failed CA Smog: NOx Too High
Ken Cunningham
Feb 18, 2010
2
Replies
36
Views
5K
Apr 3, 2010
bison
B
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So close yet so far! CA Smog
macatoni
Jun 11, 2016
2
Replies
22
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5K
Jul 11, 2016
jiho2
J
K
Failed CA smog.
kjizzle
Dec 30, 2013
2
Replies
26
Views
5K
Mar 4, 2014
#1HotRod
1
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What brand catalytic converter is best for testing?
SuperTTA
Jun 10, 2006
Replies
16
Views
4K
Jul 4, 2006
JSAautomotive
J
J
Need to install CA legal exhaust system
jmac80
Jul 24, 2019
Replies
17
Views
4K
Jul 20, 2020
WE4TP
C
can I pass emissions with champion heads in the intake manifold
cecil bass
Nov 7, 2012
Replies
11
Views
4K
Nov 10, 2012
cecil bass
C
Colorado Emissions Help
blackout007
Dec 27, 2017
2
Replies
38
Views
4K
May 14, 2018
thomas cory
T
T
Calif. smog test alert !
turbolou
Nov 13, 2013
2
Replies
25
Views
4K
Apr 3, 2014
turbotroy
T
J
EGR solenoid vacuum hose routing
jns
Aug 14, 2010
Replies
4
Views
4K
Aug 24, 2010
jns
J
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Colorado Emissions
black87buick
Jun 27, 2015
2
Replies
33
Views
4K
Jul 7, 2016
85GPLEf41
8
Failed TX emissions - 31K mile TTA
Jerryl
Mar 13, 2010
2
Replies
39
Views
4K
Aug 11, 2010
JDEstill
J
H
Need advice on buying an out of state GN..to California
hustlin12
Jul 9, 2015
2
Replies
20
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4K
Feb 13, 2016
1BUICKT
1
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Valve Cover to Turbo Pipe
ravege
Sep 9, 2013
Replies
19
Views
4K
Aug 19, 2015
Wahoo
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Vapor canister purge valve replacement
PilotpatGN
May 30, 2022
Replies
14
Views
4K
Jul 7, 2022
GN86Rome
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Loud Exhaust warning CA
olds443
Nov 29, 2008
Replies
14
Views
4K
Jan 7, 2009
Turbo6Smackdown
T
PA Emission Fail
STF420@comcast.
Mar 5, 2013
2
Replies
22
Views
4K
Aug 2, 2013
TURBOPOWERED68
T
Emissions and old gas
Sinister CO
Mar 30, 2016
Replies
10
Views
4K
Nov 9, 2018
Sinister CO
T
What about straight thru mufflers
TURBOPOWERED68
Jun 29, 2007
2
Replies
24
Views
4K
Jun 21, 2011
FastB
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Remanufactured MAF question
gsgnnut
Apr 4, 2014
2
Replies
20
Views
4K
Apr 24, 2014
Dennis Kirban
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