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Old 01-16-2015, 09:21 PM   #1
Nodnarb76
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454 smog pump delete

Going to be replacing the entire exhaust system soon and when I get new manifolds, I want to eliminate the smog pump/ air system.
The smog pump is on the passenger side under the alternator.
Has anyone done this and could recommend a new altenator belt that eliminates the smog pump?
Or should I go with this:
http://www.summitracing.com/parts/nal-10129569
And does anyone have any experience with one?
This is on an 87 R20 suburban.
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Old 01-16-2015, 09:27 PM   #2
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Re: 454 smog pump delete

Mock it up, run a string to get a length, off to the local auto parts store you go. I think I posted the belt number somewhere, but I can't remember.
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Old 01-16-2015, 11:07 PM   #3
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Re: 454 smog pump delete

I have read about the string method, but when I do this I may not have another car to run to the store in.
Read once that the Dayco Poly Rib #5060530 was the belt I need, but wanted a second opinion.
Worst case scenario I may just wait until I can borrow someone else's car though.
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Old 01-17-2015, 11:18 AM   #4
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Re: 454 smog pump delete

Now that the sun's up. I used an O'Reilly belt 6k523. This is the number on the belt.
I used them cause it's close.
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Old 01-17-2015, 03:31 PM   #5
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Re: 454 smog pump delete

Thank you so much! Will be heading to O'Reilly's soon.
Thanks for taking the time to look for me!
This board rocks!
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Old 01-17-2015, 10:13 PM   #6
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Re: 454 smog pump delete

I was back and forth a couple times till I got the right belt. Hope it works for you.
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Old 02-05-2015, 02:09 PM   #7
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Re: 454 smog pump delete

Donut thank you for posting the belt number as it saved my ass yesterday! I left the smog pump on the 87 BBC motor that I swapped into my 85 cc thinking I would delete it later but figured no harm just letting it pump air to no where. Well long story short the damn thing started seizing up on the road yesterday pulling the 5th wheel! Luckily one of the two auto parts stores in the bfe town we were in had one an 060523 gates hanging on the wall. I tried to push through and didn't put the belt on right away but it got so loud I finally stopped and put it on in the middle of no where. Luckily all I had to do was pull the pulley off the smog pump and get the new belt on and it cleared the pump. But I really do appreciate the forum and people like you who take the time to post good info like that!
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Old 03-02-2016, 06:34 PM   #8
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Re: 454 smog pump delete

I am deleting the smog pump on my 454 tbi truck but what do I do with the 2 wire connector running to a valve hooked to my smog pump?
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Old 03-02-2016, 06:36 PM   #9
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Re: 454 smog pump delete

Quote:
Originally Posted by Chevy3+3 View Post
I am deleting the smog pump on my 454 tbi truck but what do I do with the 2 wire connector running to a valve hooked to my smog pump?
When I removed mine I just left it unplugged, had no problems.
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Old 03-02-2016, 06:39 PM   #10
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Re: 454 smog pump delete

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Originally Posted by Nodnarb76 View Post
When I removed mine I just left it unplugged, had no problems.
Sweet! DO you know what that thing is that the wire was connected to? Only reason I ask is because if it doesn't change anything when its unplugged then it probably didn't do anything to start with. just seems wierd
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Old 03-02-2016, 06:56 PM   #11
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Re: 454 smog pump delete

Quote:
Originally Posted by Chevy3+3 View Post
Sweet! DO you know what that thing is that the wire was connected to? Only reason I ask is because if it doesn't change anything when its unplugged then it probably didn't do anything to start with. just seems wierd
Looks like it got a signal from the PCM to open/close. I recently removed the whole TBI harness and traced the plug back to the PCM. I had no check engine lights when I left it unplugged. Looks like it
just tells it to open or close, and does not get any info back to the pcm.
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Old 03-02-2016, 07:01 PM   #12
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Re: 454 smog pump delete

I'm surprised tha you can just remove emissions equipment with no cel. No way could you do that now I imagine.
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Old 03-03-2016, 08:46 AM   #13
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Re: 454 smog pump delete

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I'm surprised tha you can just remove emissions equipment with no cel. No way could you do that now I imagine.
Yeah, you can if you change the tune to report no CEL with HPtuners
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Old 03-03-2016, 08:49 AM   #14
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Re: 454 smog pump delete

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Originally Posted by Firebirdjones View Post
Yeah, you can if you change the tune to report no CEL with HPtuners
I feel like a newbie to ask this but what is CEL?
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Old 03-03-2016, 08:56 AM   #15
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Re: 454 smog pump delete

Check engine light.
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Old 03-03-2016, 08:59 AM   #16
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Re: 454 smog pump delete

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Check engine light.
Lol! I can't believe I asked that. I knew that i just wasnt thinking clearly when i asked, lol. It's still to early in the morning for this ol boy after working 2nd shift last night.
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Old 03-03-2016, 09:03 AM   #17
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Re: 454 smog pump delete

No worries, I actually had to think a minute on that myself, I've called it CEL for so long I almost got stumped with that question
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