460 emissions Q.
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Joined: Dec 2002
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460 emissions Q.
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Has anyone here tried removing any of the emission devices from a 460EFI and still pass the sniffer tests?
These engines seem to have an awful lot of vacuum lines as well.
Please use the classified section instead
Has anyone here tried removing any of the emission devices from a 460EFI and still pass the sniffer tests?
These engines seem to have an awful lot of vacuum lines as well.
Senior User
Joined: Apr 2002
Posts: 467
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From: On the farm near Loveland
460 emissions Q.
If you disable the EGR you're likely going to have a problem with pinging and you'll fail the nitrous oxide tests.
If you disable the air pump or catalytic you'll flunk the
carbon monoxide test.
If you disable the air pump or catalytic you'll flunk the
carbon monoxide test.
Senior User
Joined: Jun 2002
Posts: 263
Likes: 1
From: British Columbia
460 emissions Q.
[updated:LAST EDITED ON 28-Dec-02 AT 02:18 AM (EST)]Besides one circuit of the air pump system modifying any part of your emmisions system will dramatically increase emmisions.
By the way Parrothead, removing the EGR will increase oxides of nitrogen or NOx, not nitrous oxide or No2. Sorry just thout I be **** for a second.
By the way there is NO part that you can remove from your emmisions system to gain horsepower except for the air pump which will nab you a whole .5-1hp.
Nick from the frozen north
1974 F-250 4X4
soon to be 429
dana 60 front and rear
By the way Parrothead, removing the EGR will increase oxides of nitrogen or NOx, not nitrous oxide or No2. Sorry just thout I be **** for a second.
By the way there is NO part that you can remove from your emmisions system to gain horsepower except for the air pump which will nab you a whole .5-1hp.
Nick from the frozen north
1974 F-250 4X4
soon to be 429
dana 60 front and rear
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