to good to be true?

candpliberty · **Posted:** Fri Dec 11, 2009 4:09 pm

My folks taught me if it sounds to good to be true, it probably is. How about a dual piston 12 volt air compressor for 166.95?
MSRP of 437.43. Has Anyone had dealings with this company?
http://www.4x4groupbuy.com/store/performance-quickair-compressor-hard-mount-unit-p-8408.html

http://sunperformance.com/?page_id=11

Woops, two different compressors. Any one have one of the QA002 compressors?

ReneDave · **Posted:** Fri Dec 11, 2009 4:29 pm

4x4GroupBuy is a reputable company. I haven't any experience with the Sun Performance products, but my Viair oil-less compressor has been pretty darn useful.

candpliberty · **Posted:** Fri Dec 11, 2009 4:53 pm

thanks, Renedave. I'm looking for a electric compressor for mounting under the hood. CO2 looks great except it takes up precious room in the cabin. Anybody mount a air tank underneath?

FreedomKJ · **Posted:** Fri Dec 11, 2009 5:53 pm

I'm sure there's nothing "wrong" with the QuikAir, but those pistons are very small. According to the manufacturer's site it only puts out 1.19CFM.

If you want a dual piston compressor for cheap I'd say try out the Q-Industries MF-1089 ( http://www.amazon.com/Industries-MF1089 ... B000L9D8LI ).

It appears to be a twin-piston version of the wildly popular Q-Industries MF-1050 (aka Superflow MV50) and costs less than twice as much. I don't know the CFM ratings on the 1089, but it should be decent as the single-piston 1050 puts out 2.54CFM.

I already have one 1050 mounted with a tank and my plan is to make a false floor in the cargo area to house the tank, my existing 1050 and a second 1050 wired to it to give me more airflow. With those and the 2.5gal tank I should have no problem airing up tires quickly and running air tools for short bursts.

candpliberty · **Posted:** Fri Dec 11, 2009 7:54 pm

FreedomKJ, I can't find any reviews on the 1089. Q industries website lists all the compressors with the same specs.

With so many reviews along with yours in a positive light and my main objective to air up tires after returning to pavement, I think I'll save some money and go with the MF-1050. I hope you post some pictures when you do your modifications with your compressor and tank.

Is there a difference between the MV-50 and the MF-1050, other than 20 bucks? The pictures are the same.

http://www.amazon.com/Master-Flow-MF-1050-Portable-Compressor/dp/B000L9AD2U/ref=sr_1_2?ie=UTF8&s=automotive&qid=1260575317&sr=1-2

http://www.amazon.com/Industries-MV50-SuperFlow-Hi-Compressor/dp/B000BM8RT8/ref=sr_1_1?ie=UTF8&s=automotive&qid=1260575339&sr=1-1

AZKJ · **Posted:** Fri Dec 11, 2009 9:14 pm

candpliberty wrote:

Is there a difference between the MV-50 and the MF-1050, other than 20 bucks? The pictures are the same.

http://www.amazon.com/Master-Flow-MF-1050-Portable-Compressor/dp/B000L9AD2U/ref=sr_1_2?ie=UTF8&s=automotive&qid=1260575317&sr=1-2

http://www.amazon.com/Industries-MV50-SuperFlow-Hi-Compressor/dp/B000BM8RT8/ref=sr_1_1?ie=UTF8&s=automotive&qid=1260575339&sr=1-1

They are one in the same. No difference. Both are made by the same company.....

candpliberty · **Posted:** Sat Dec 12, 2009 1:01 am

This is interesting. Some performance mods for the MV-50.

http://4x4wire.com/index.php?option=com_content&view=article&id=188:porting-the-superflow-mv50-compressor&catid=77:4x4-projects&Itemid=83

FreedomKJ · **Posted:** Sat Dec 12, 2009 1:42 am

Funny you should post that. My compressor is already disassembled on my workbench so I can do the porting this weekend…

candpliberty · **Posted:** Sat Dec 12, 2009 4:54 am

I'm looking at that link and I'm wondering what exactly the poster did. Did he just enlarge that hole in the head? What do I need? a bigger hole in my head? :shock:

FreedomKJ · **Posted:** Tue Dec 15, 2009 10:43 am

candpliberty wrote:

I'm looking at that link and I'm wondering what exactly the poster did. Did he just enlarge that hole in the head? What do I need? a bigger hole in my head? :shock:

He enlarged both holes. Be careful if you do this.... I did the work this weekend and didn't check positioning very well. I maed the intake port too large and now air leaks under the divider between the intake and output portions of the head. I'm going to try filling the hole in a little with some JB weld, and if that doesn't work I guess I'll be fabbing a new plate out of aluminum.

candpliberty · **Posted:** Tue Dec 15, 2009 1:48 pm

Did you use a dremel? Any thoughts on the piston lube? The article said high quality grease. Maybe a teflon based lube?

FreedomKJ · **Posted:** Tue Dec 15, 2009 5:52 pm

I did use a dremel with a routing bit. As for grease I just put a very fine coating of red valvoline heavy duty grease on the inside if the cylinder. It really doesn't need much, if any, as the piston is a pretty tight fit and has a teflon ring around it already.

candpliberty · **Posted:** Tue Dec 15, 2009 6:47 pm

I figure heat is what do these inexpensive compressors in. Less friction = less heat.

to good to be true?

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