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Smart VOV Additional 2 oz Oil? 94 Corvette

dan45hk on Sun October 19, 2008 8:54 AM User is offline

Year: 1994
Make: Chevrolet
Model: Corvette
Engine Size: 5.7L
Refrigerant Type: R134a

I am adding a Smart VOV to a '94 Corvette, I started reading about them and came across a service bulletin that says to add 2 additional ounces of oil to the A/C system when using this VOV. Is this right, you add what the manufacturer of the auto recommends then an additional 2 ounces? Here is where I found the service bulletin, it is step number 5:


Edited: Sun October 19, 2008 at 12:30 PM by dan45hk

chris142 on Sun October 19, 2008 12:09 PM User is offline

The VOV's do not work! I bought 100 to use, installed about 10 and all 10 came back within a month stuck closed. I put in regular tubes now instead. The VOV is total garbage!

dan45hk on Sun October 19, 2008 12:13 PM User is offline

I'd still like to try, the benefits seems to outweigh the risks for me, so does anyone know if you need to overfill the system with 2 more ounces of oil when you use a VOV?

dan45hk on Sun October 19, 2008 12:33 PM User is offline

Apparently you can't post links in this forum , thats why there is no link in my first post to see the service bulletin, a moderator deleted it, at first
I thought the board here malfunctioned lol, that's ridiculous.

TRB on Sun October 19, 2008 3:32 PM User is offlineView users profile

That site does not allow our links, so I return the favor.

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Contact: ACKits.com

chris142 on Sun October 19, 2008 5:56 PM User is offline

Quote
Originally posted by: dan45hk
I'd still like to try, the benefits seems to outweigh the risks for me,

You will think differently when the VOV sticks shut, starves the compressor of oil, it blows up sending schrapnel all through your system and now your faced with a major disaster to repair which consists of every part in your system needing to be replaced.

I have been there and done that with those VOV's.

Like i said I still have 90 or so I wont use.

TRB on Sun October 19, 2008 6:10 PM User is offlineView users profile

We went through 25 of the severe duty models. No performance gain, actually lost performance in a couple vehicles. Don't even think we let one leave the shop with one installed. My opinion, lot's of marketing hype and claims of millions sold.

-------------------------

When considering your next auto A/C purchase, please consider the site that supports you: ACkits.com
Contact: ACKits.com

HECAT on Mon October 20, 2008 6:26 AM User is offline

Quote
Originally posted by: dan45hk
Apparently you can't post links in this forum , thats why there is no link in my first post to see the service bulletin, a moderator deleted it, at first I thought the board here malfunctioned lol, that's ridiculous.

Dan, its not ridiculous, its respect. The supplier of this site (AMA) allows us to meet here at no charge to discuss and share. We have not had to pay a membership fee to participate. It is funded primarily "out of pocket" by the owner of the site (AMA) and asking you not to talk trash (post a competitor site link) in his house should be respected. You can post many links and list many other web recourses, but just take a look at AMA's product offering and you will understand what is appropriate and what is not.

I did take a look at the document (it could have been attached as a JPG or PDF and it would still be here) and I understand your questioning. It makes one minimal reference to cleaning the system and then tells you to add two ounces with the installation of the VOV. It does not make it clear that the full oil charge must be installed plus two ounces, and does make me think that this is to add two ounces as an oil balancing strategy.

Based upon some real use evaluations and comments here, you should continue reading more about it before deciding to use it. It appears the VOV is very susceptible to debris and all system components must be cleaned to a virgin state or completely replaced.

You should contact the supplier or manufacturer for more clarification. Be aware that their motive is to sell it, and given your "I am going for it" attitude, regardless of the warnings; you will probably only hear what you want to hear and not what you need to hear.

I would recommend you look at the poor air flow and other known and prone to occur issues with Corvette A/C, before trying this.

Good Luck

PS: Looks like Chris has 90 pieces he needs to unload on a research engineer, such as yourself.


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HECAT: www.hecatinc.com You support the Forum when you consider www.ackits.com for your a/c parts.

FLUSHING TECHNICAL PAPER vs2.pdf 

dan45hk on Mon October 20, 2008 8:16 AM User is offline

Thank you for the responses, I did not realize I posted a competitors link. I'm still thinking about whether or not to use the VOV versus a FT, the system will be completely new except for the compressor. A 5-10 degree drop in temperature at idle is what the VOV claims but if it is so prone to become faulty and people here have not seen this performance gain then I will probably go with the FT. Thanks again for the help.

chris142 on Mon October 20, 2008 9:04 PM User is offline

Put a yellow tube (.062 I think) In that Vette and be done with it.

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