RPM a/a vs McCoys a/a

RPM a/a vs McCoys a/a

  • RPM Air to Air

    Votes: 0 0.0%

  • McCoy Air to Air

    Votes: 3 100.0%
  • Total voters
    3
S

Syclone2882

Doghouse Member
For you guys tht have these a/a did you look at both of them and why did you decide to go with the one you bought? I am looking to buy one of them and I am not really sure which one to buy? I like them both and was just look for some pros and cons to each one and which one was more popular. Do both have to have the battery removed to install? Can you run the stock fan with either one or do you have to run electric? Are there any advantage/disadvantage to run electrci fans? Does one have less pressure drop then the other? Just some basic questions and wonder which one is perfered the most?

One other quick question for you guys that have a/a do you see a big differnence in your mats compared to the stock a/w? What are some of your mat temps before and after. How close are you mat temp to air outside of the truck? To spend a 1000 buck on a mod you want to know that it is worth it
 
Christian Dionne

Christian Dionne

Member
Well, we're going through the same thinking right now.

Mike Lee says the piping runs where the ATR battery kit is.

McCoy does not, it runs where the stock mechanical fan is, hence the need for electric fans in the kit.

I don't believe you're going to find HP and pressure drop numbers yet, as these just came out. I've seen them both and would say they'll probably do the same performance wise.

PS. I'm about to post the stock IC system for sale in the classifieds.
 
bdubb

bdubb

I am teh kingpin!
personally have seen both, and like them.

it's a toss up, do you want to move your battery?

or do you want to get electric fans?
 
20psiGMC

20psiGMC

Member
Re: RPM a/a vs McCoys a/a

Syclone2882 said:
Are there any advantage/disadvantage to run electrci fans?
Click to expand...

IMHO, I think electric fans are a BIG drawback, so the RPM kit gets my vote.

Kudos to Mike for marketing a kit that retains the mechanical fan. His is the first.

I get the impression that some view electrical fans as a performance mod – and they’re not. Electric fans get the nod when there are space or engine position constraints that can’t be avoided. They tax the electrical system and will never be as efficient or move as much air as a well-designed mechanical set-up.

Even the people who make them will tell you there is no substitute for a quality mechanical clutch fan in a heavy-duty cooling application.

Depending on the climate you live in, accessories normally run (AC, big stereo, etc.), how and where you drive your truck - you may or may not get away with electric fans.

Just something to consider.
 
S

smeagol

Active member
I like the electric fans on my truck.

Do I recommend them for everyone? No.

They make working on the truck a lot easier. They also won't destroy everything like a mechanical fan will, if something is out of alignment, or a motor mount is loose - I've already destroyed a shroud, water pump and radiator because of this.

I will eventually wire them up for 2 speeds, which will drastically cut back on the amperage draw.

My truck runs very cool with them on, FWIW.

People have done lots of testing on other vehicles and have had better performance with electric fans - is this the case here? I dunno, and it's definitely not the potential reason I swapped to them.

I know many others have done electric fans w/o problems as well - Waller has been using a set for a while, Josh B has had 'em for a while too.

Anyways, point is that I just didn't swap to electric fans for the myth of more airflow, there were several less important factors that prompted me to swap.
 
E

E-Rue

New member
i LOVE electric fans.

my syclone almost never runs the fan, but when it does it runs for about 15-20sec and shuts off.

im using the intercooler pump controls in the chip to trigger the cooling fan at 75on and 70 off.

the stock mechanical fan is super noisy, and heavy. i also see where lately its been pulling apart peoples waterpumps. there is a weight difference also. the mechanical fan is like a boat anchor. i would probably like the mechanical fan better if i was towing. as it is tho, i see no use for it. unless you have a big intercooler sitting infront of the radiatior, you wont have problems overheating.

i use a 160 thermostat, a cheap flexalite s-10 fan kit, a few changes in the chip, and i never have any problems overheating. even in the summer heat, this set up rocks. i even use an underdrive crank pulley, and i have no problems with low voltage.

e
 
E

E-Rue

New member
damnit green you beat me to the SUBMIT button.

oh, and i might add that i have no AC, or condensor core sitting infront of the radiator.

e
 
20psiGMC

20psiGMC

Member
Yup, they can work. Lots of variables as to how well tho. Mods the truck has/how much heat it generates, how much attention has been paid to reducing underhood heat, condition of the cooling system, cooling system mods, etc.

The guy who has thermal wrapped, coated, etc. exhaust parts, runs a high-flow low temp stat and keeps fresh coolant in system might not have a problem as he joyrides on the weekends in Pennsylvania.

A guy with the same mods but no thermal insulation, old coolant, a big stereo, running the AC everyday in stop-and-go traffic in Florida may have a problem.

I know some on the list and BB have used them with success, but I’ve also seen posts about cooling and voltage problems with them.

I’ve never seen any claims of increased HP going to an electric fan, aside from high RPM applications (less drag). A flex fan with a good clutch would be hard to beat there, too.

A good mechanical set-up *should* work for everyone. An electric *might* not.

Just my .02 :)
 
E

E-Rue

New member
aside from the fan issue...... isnt the mccoy core larger?

i was told that the core on mikes intercooler was the same/similar to the one on the KB intercooler.

e
 
Syclone#892

Syclone#892

Member
O voted for Mikes kit. I bought it back when he first made them and it was super cheap. I have not installed it yet so I have no fitment or performance numbers to go by but the kit looks clean when installed. I had my pipes jet hot coated in the sterling color hopefully it will help with keeping cool air in and hot air out otherwise it is a real nice cosmetic mod :D The main reason I choose Mikes was Mccoys was not out yet nor did I even know a thing about it but even if I was to buy one right now it would be Mikes because of the price difference. I did not keep the stock fan thanks to Brian for letting the communtiy know about the ramchargers fan I have gone with that. Also I have pics of the intercooler on the site in my sig. Good luck with whichever route you go.
 
0966Sy

0966Sy

Code what?
I agree on the ramcharger fans, they are an awsome electric fan set-up. Espeacially for the price, and work awsome when wired to the stock IC pump relay to turn on at 155-160 in the 50# Ultimate. I have no problems keeping the truck cool with Mike Lee's A2A and the electric fans on a three core Griffen rad.

Mike's kit is awsome, it should be a great upgrade for even a stock truck. I havent seen the McCoy kit in person, it looks good also. but i'd still go with Mike's kit, i just love the way the piping is routed. I'll be getting mine powder coated black or sterling silver soon.
 
A

AXXE

Member
Has anyone checked MAT temps with either A2A i/c ? I want to know other people's results before I spend that much money.
 
SYO237

SYO237

SyTy Registry
ive been talking alot with caleb davis, who designed and manufacturers the a2a kits for McCoy...

i will say that he has put many hours and a shitload of money into developing a system that works, fits, and has considerable gains in performance.

like waller said, the piping is gigantic, its easy to install with only 3 sections of pipe and it comes nicely polished...a plus for us guys who like a clean engine bay...

electric fans are a small price to pay for an excellent a2a system that WORKS and has been PROVEN.
 
E

E-Rue

New member
MarlboroTyphoon said:
Here are some pics of my new A/A from DeQuick. Must remove A/C though.

http://www.dos.org/silly/intercooler/
Click to expand...

now that is an awsome set up you got there. if i wanted really hot intake temps id build a combination radiator/air to air intercooler also. thats gonna work great, now your radiator should heat up your intercooler and keep you from getting any of that really nasty cold air into the engine. cold air is bad....... will probably give your truck the flu if your not careful.

e
 
Silly

Silly

Banned
CLONE said:
http://www.dos.org/silly/intercooler/MVC-001S.JPG

The lower inlet to the IC. How are you supposed to get a hose on there?
Click to expand...


The lower inlet is almost a straight shot to the turbo. The other inlet on the top drivers side will come across the front of the truck and up to the throttle body. That is why you will have to remove your a/c.

As far as temps go I don't know I havent installed it yet. I dont see it being too much of a problem. The truck isnt going to be used for everyday stop and go traffic.

Back about 2 years ago I had the smaller single core Dequick a/a. I wasnt a big fan of where it was located either. I don't have the temps in front of me but I will update this with the temps asap. What I did notice as far as temps go is that as long as my truck stayed in motion over 25mph my temps would continueously drop. Once I dropped below 15mph however the air wasn't getting forced in anymore and temps would rise
 
S

sytyfreak

New member
Has any sytyer with an A2A Ic tried the NX "Ntercooler" system??? Just curious if it's actually worth a try or if someone considering this kit should just go with Alky or propane???

Thanx!
 
You must log in or register to reply here.
Top