Emissions delete concerns
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5th Wheeling
Joined: Dec 2020
Posts: 43
Likes: 2
From: Cumming, Ga
Emissions delete concerns
Hey all,
buddy of mine just bought a 94 f250 with a 5.8. Anyone who has read any of my posts knows I have a 94 f150 with a 5.8. He was asking me about emissions deleting stuff. I told him I would post about it before we did anything. When I deleted the smog pump and did a ignition system refreah On my 94 5.8 I blew both my head gaskets within 2,000 milez. (Which I used as an excuse for a Full motor and Tranny rebuild). Has anything else experienced issues like I did after deleting emissions stuff on their truck like I did on mine or do y’all think it was purely coincidental. This is the truck he runs a business out of so he does t want to take any serious chances.
Any input is appreciated thanks guys
buddy of mine just bought a 94 f250 with a 5.8. Anyone who has read any of my posts knows I have a 94 f150 with a 5.8. He was asking me about emissions deleting stuff. I told him I would post about it before we did anything. When I deleted the smog pump and did a ignition system refreah On my 94 5.8 I blew both my head gaskets within 2,000 milez. (Which I used as an excuse for a Full motor and Tranny rebuild). Has anything else experienced issues like I did after deleting emissions stuff on their truck like I did on mine or do y’all think it was purely coincidental. This is the truck he runs a business out of so he does t want to take any serious chances.
Any input is appreciated thanks guys
Cargo Master
Joined: Dec 2015
Posts: 2,920
Likes: 515
Deleting the air pump won't cause head gaskets to go. I deleted it on my '90 long ago and drove all over the country.
I also personally think claims of it burning up the cats are internet lore, but believe what you will.
I also personally think claims of it burning up the cats are internet lore, but believe what you will.
Fleet Mechanic
Joined: Aug 2015
Posts: 1,838
Likes: 367
From: Candy Mountain
I wouldn't mess with it just to mess with it. I deleted the AIR pump when I went to GT40 heads and a modern CAT, otherwise it would still be there.
The EGR and EVAP systems are beneficial for mileage and I wouldn't advise anyone to delete them. The AIR system is there for the benefit of the CAT, and if isn't present or doesn't need AIR support then the system can go away IMHO, but emission authorities disagree.
The EGR and EVAP systems are beneficial for mileage and I wouldn't advise anyone to delete them. The AIR system is there for the benefit of the CAT, and if isn't present or doesn't need AIR support then the system can go away IMHO, but emission authorities disagree.
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