Check this Dusty Fox - The 1947 - Present Chevrolet & GMC Truck Message Board Network

karl · 05-12-2005, 01:08 AM

regarding the 77Big 10 chevy w/6050 lbs. your wrong about the cat converter. go to this site and be enlightened ol grasshopper. what i am not sure of is the egr. but maybe not since this is considered heavy duty truck emissions which are different those years. read and see. the adress is:73-87.com/7387info/7387emislevel.htm

*1FaastC10* · 05-12-2005, 10:31 PM

take it easy noobs. we all know Commiefornia has some retarded laws, and specific emissions packages for vehicles which often arent needed in the other 49 states.

Russell · 05-13-2005, 12:43 AM

Not even my 80 with the stock exhaust had a cat on it. It is an HD 3/4 ton though, so that may have been where the difference was. I am expecting that they'll probally force me to install cats pretty quick, when they start the emissions testing they are pushing for

screwballl · 05-13-2005, 10:05 AM

do some digging, usually once theyre exempt, they cannot force you to put on non-OEM parts just because certain other types of vehicles the same year had them. thats like saying they had cats in 1990 trucks so your 37 ford truck is required to have them too.... WRONG!
just do some research, theres ways around this.

bodydropped · 05-13-2005, 12:10 PM

my 82 doesnt hav cats on it at all

05-12-2005, 01:08 AM	#1
karl Registered User Join Date: Dec 2004 Location: grand terrace , caifornia Posts: 338	Check this Dusty Fox regarding the 77Big 10 chevy w/6050 lbs. your wrong about the cat converter. go to this site and be enlightened ol grasshopper. what i am not sure of is the egr. but maybe not since this is considered heavy duty truck emissions which are different those years. read and see. the adress is:73-87.com/7387info/7387emislevel.htm

05-13-2005, 12:43 AM	#3
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	Not even my 80 with the stock exhaust had a cat on it. It is an HD 3/4 ton though, so that may have been where the difference was. I am expecting that they'll probally force me to install cats pretty quick, when they start the emissions testing they are pushing for __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

05-13-2005, 10:05 AM	#4
screwballl Tonawanda 454 Join Date: Mar 2004 Location: Liquid Sunshine State Posts: 2,754	do some digging, usually once theyre exempt, they cannot force you to put on non-OEM parts just because certain other types of vehicles the same year had them. thats like saying they had cats in 1990 trucks so your 37 ford truck is required to have them too.... WRONG! just do some research, theres ways around this. __________________ 91 Chevy Suburban Tonawanda 454 R2500 - SOLD!!! 04 Dodge Durango 5.7L Hemi 2WD, 24K miles (as of July 2011) In the past 30 years about 90% of Fords are still on the road, the other 10% made it home. -------------------

05-13-2005, 12:10 PM	#5
bodydropped Registered User Join Date: Jan 2005 Location: beaumont,tx Posts: 757	my 82 doesnt hav cats on it at all __________________ http://img.photobucket.com/albums/v5...ropped/sig.jpg

05-12-2005, 10:31 PM	#2
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,399	take it easy noobs. we all know Commiefornia has some retarded laws, and specific emissions packages for vehicles which often arent needed in the other 49 states.



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