why is everyone paying 150 bucks for aluminum catch cans when you can get them for 62 bucks?

http://www.secureperformanceorder.co...ProductID=2522

Nascar stuff rules As long as you don't actually have to drive the nascar

john

 

An aluminum catch can would be for oil and not the radiator. I've never heard of anyone replacing their plastic overflow tank with a metal one either. Maybe you are thinking of the aluminum AST?

 

Yes...AST

if you look at the pic you will notice the radiator cap fitting on the top of the can

john

 

So can this $62 product be used as an AST????

 

Hrm, very interesting. This looks like it would work, too -- given that you get the right fittings. Also, would it need a vented radiator cap or would a standard pressurized on work fine?

 

Looks to me it uses the standard cap with the spring, so it would work. Probably doesn't have "bubble baffling" inside, but I doubt that would matter, as I don't think the Pettit or the others I've seen have either. Darn, paid too much ;-(.

 

What exactally is this "bubble" baffling made of?

 

It's just the shape of the can on the stock unit - supposed to ensure no bubbles get back into the cooling system. If I were designing a replacement, I might be tempted to put in a baffle to reduce air passage back into the cooling system - over under type of passage.

 

The question you need to ask is what is the preasure of the cap.

 

it doesn't come with a cap. you put on whatever one you want.

being from a "standard" nascar shop, I can almost guarantee you can go to any parts store and pick up any number of caps that will fit it at what ever pressure you want...in the 5-6 dollar range.

I've got one on the way.

john

 

It looks like it would fit but what are the build qualities spefically the welds? It would be interesting to setup and check but I wouldn't want to take the chance with an 'may fit' AST. I hate to lose coolant!

 

Thanks for being the guinea pig. Let us know how it goes when you get it and install it.

 

Take some pictures... would be good option if it works out!!!

Victor

 

I'm excited to hear the results -- do let us know which fittings/cap to get.

Also, this is a question for everyone... why do the ASTs that the stores sell always have a pressure relief cap?

 

http://www.scuderiaciriani.com/rx7/cooling.html#CAP

 

Nice. I've always wondered why people were willing to pay so much for those AL ASts. Look at what they are. There is no reason they should be that expensive. I got a used one cheap, but I remember that there were a few items in Jegs and Summit that I was considering adapting for AST use instead.

 

b/c rx7 owners like to spend money

 

Trust me, I know they do. Look at my screename...

 

Teeter, did you install this yet?

 

It looks as if he just left the forum...