C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

AIR pump eliminator/pulley - difference???

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Old Sep 12, 2008 | 04:59 AM
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Default AIR pump eliminator/pulley - difference???

I've been searching for information on deleting the AIR pump and piping and I'm a little confused on the eliminator kits. What are the differences between these two pulley kits (besides how one has brackets and the other is just the pulley)?

https://www.zip-products.com/Zip/pro...3439B40DD4C9CE

and

https://www.zip-products.com/Zip/pro...3439B40DD4C9CE

Does the one with just the pulley bolt up to the block? This is the part I'm mostly confused about. Thanks!!!
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Old Sep 12, 2008 | 05:51 AM
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The top link is the whole kit you'll need to eliminate your air pump and it comes with a plastic pulley. The bottom link is simply an upgraded billet pulley for the kit.
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Old Sep 12, 2008 | 11:20 AM
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do you need a new belt with this kit?
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Old Sep 12, 2008 | 11:48 AM
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Originally Posted by shamdave
do you need a new belt with this kit?
I'm can't say with any certainty about Zips, but I bought mine from TPIS and was able to use the stock belt.
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Old Sep 13, 2008 | 12:00 AM
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check out Breathless Performance; that's where I bought mine

http://www.breathlessperformance.com

comes with all hardware necessary.....I wouldn't go with the plastic pulley; that's just me.....I am sure it's fine, though....
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Old Sep 13, 2008 | 08:20 AM
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Originally Posted by 856SPEED
check out Breathless Performance; that's where I bought mine

http://www.breathlessperformance.com

comes with all hardware necessary.....I wouldn't go with the plastic pulley; that's just me.....I am sure it's fine, though....
I had this debate here with Breathless. Their pulley starts at $184 and goes up from there. Yeah, the offered to "match the price" but sorry, doesn't work.

This one is $149 and looks, well identical. I don't see throwing away $35 for the one at Breathless. That's just me.

http://www.mamotorworks.com/corvette?frame=3.842

As to the plastic pulley, well, my idler arm is a plastic pulley and I've had no problem. And some people wonder why money runs out and builds never get done.

I purchased one from a forum member for about $300, but that was a custom machined one with a metal pulley.

Last edited by jsup; Sep 13, 2008 at 08:33 AM.
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Old Sep 13, 2008 | 10:20 AM
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I've had my air pump delete with plastic pulley on for 5+ years with no problems
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Old Aug 11, 2009 | 02:31 AM
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Default AIR Pump Kit

You should see the home made one that came on this 85 vette that I traded + $$$$ for my Camaro. I will take Pictures before I replace it.
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Old Aug 11, 2009 | 02:59 AM
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Originally Posted by xero420
You should see the home made one that came on this 85 vette
Could make your own
http://members.shaw.ca/dankai/Air%20...Delete%20Info/

http://forums.corvetteforum.com/c4-t...post1560364832
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Old Aug 11, 2009 | 03:50 AM
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Old Aug 11, 2009 | 12:51 PM
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Two schools of thought on the plastic pulley vs the steel version.....the steel version is obviously stronger,
and should one of the other accessories seize, it will most likely stand up to the belt-burn, unless the car
isn't shut down, and allowed to keep cooking the belt. A plastic pulley will melt like mad if not shut down
ASAP, but won't transfer heat to the bearing as easily. The obvious solution is a billet aluminum, which
has the benefits of both, without the drawbacks, except the cost.

Since it's mostly an appearance issue, it makes sense to go with a good-looking unit....

My .02....
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Old Dec 3, 2009 | 11:33 PM
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Do you know if the top link design allows the use of the stock belt length?


Scott
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Old Dec 3, 2009 | 11:42 PM
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Hi I'm new to this Forum. Two 89 Corvette
1. Auto Yellow
2. 6 speed Black
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Old Dec 4, 2009 | 12:47 AM
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Originally Posted by rickgalvez
Hi I'm new to this Forum. Two 89 Corvette
1. Auto Yellow
2. 6 speed Black

So why are you posting it on this thread? You should start a new thread and announce yourself to the whole community. And maybe tell us a little about yourself. Oh, and welcome to the forum, rickgalvez!!!


Scott
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Old Dec 4, 2009 | 08:48 AM
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Originally Posted by scottyp99
Do you know if the top link design allows the use of the stock belt length?


Scott
Yes, I am using the stock belt.
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Old Dec 10, 2009 | 05:23 PM
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Originally Posted by AGENT 86
Yes, I am using the stock belt.
I am leaning towards your design, with some small changes, Agent 86. I like the simplicity of it, and it looks like it will hold the alternator securely. I like that the base is held with the three bolts, also, very sturdy looking.


Scott
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Old Dec 11, 2009 | 12:18 AM
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I modified mine with a idler pulley rather than a ribbed pulley to allow the use of a Meziere water pump.

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To AIR pump eliminator/pulley - difference???

Old Dec 11, 2009 | 12:59 AM
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Originally Posted by 383vett
I modified mine with a idler pulley rather than a ribbed pulley to allow the use of a Meziere water pump.

Doesn't that make your power steering pump spin backwards? Wait, no, I guess not, never mind.


Scott

Last edited by scottyp99; Dec 11, 2009 at 08:48 AM.
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Old Dec 11, 2009 | 08:39 AM
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On my '85, the stock belt would NOT work with TPiS's pulley kit. I had to buy one that was one inch shorter. I also had to grind down my alternator case a little to get the bolts to go in. Something with mine may have not been stock but be prepared to do what is needed. This may have been my outstanding luck on any mechanical procedures too.

Good luck with yours!
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Old Dec 11, 2009 | 10:18 AM
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Originally Posted by scottyp99
Doesn't that make your power steering pump spin backwards? Wait, no, I guess not, never mind.


Scott
Ok
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