z28zane

Due to clearance i had to chop off my radiator filler neck. My radiator piping is stainless steel and originally planned on welding a filler neck to upper rad pipe.. however i want to avoid that now. Are there any other filler neck options i have (i dont mind welding an AN bung onto my radiator if thats what it takes) but what is the best way to solve this. Pic of car for reference:

HioSSilver

iTrader: (8)

I set up a guys car once with a surge tank. I came off the steam ports to feed the tank and then plummed it into the upper radiator hose to make the loop. He went from his car running hot to running the temp he wanted. Using the steam ports as i did could help yo reduce detonation. You can also run extra coolent in a system like this and you don't need a overflow/coolant recovery tank. Although i did plum his into one just to keep tech off his back when he ran it.

I used -4 AN stuff on it.

z28zane

HioSSilver I really appreciate the input, is there any way to NOT tie into the upper rad hose ? (thats that i am trying to avoid)

HioSSilver

iTrader: (8)

You could probably tie it into the return of the heater hose also......but you're probably not running a heater.

You could also weld a -10 bung to your rad for a return. The return would of course come out of the bottom of the tank.

z28zane

I actually did keep the heat! If you dont mind can you whip up a quick sketch in paint for me with the proper routing - i dont understand how i would be initially filling the entire radiatior from here ?

HioSSilver

iTrader: (8)

Well....not really. I suck at that kind of stuff lol. But to do it just route all the hoses from the steam ports of the heads to the tank. Then T it into the return of your heater hose. Pretty simple really. Just make sure you mount the surge tank as high as you can get it.....or atleast make it the highest point of your system.

This is not the only way of doin it either. You could also run all your steam ports into a heater hose then just do the return side heater hose in and out of the tank. The only catch then is making a manifold to do it.........hhhmmmmm

After more thought maybe the best way for you would be set it up like originally said with the 4 steam ports feeding the tank then run the feed to the heater out of the bottom of the tank (cap off the feed on the water pump) then just leave the return as it is.

That's probably the cleanest/simplest way of doin it.

z28zane

ok but how do i fill the radiator ?

HioSSilver

iTrader: (8)

You fill the radiator through the surge tank. That's why it has to be the highest point in the system.

I put a plug in the over flow of the rad in the red car above. The cap on the rad is used to seal the system. It's not really used anymore.

garys 68

iTrader: (1)

Look at C3 corvettes. The radiator in many is too low to have the cap at the highest point. They use a surge tank plumbed into the heater hose. You can probably find a diagram online, but the tank is just connected to a "T" in one of the heater hoses.

HioSSilver

iTrader: (8)

Yes you could do it like that to. For boosted stuff i thike to see the steam ports opened up a bit for more flow. Maybe it makes a difference maybe it don't. Seems to me it should really helpthe back cylinders.

Trucks have a surge tank also.

MY_2K_Z

iTrader: (1)

Hey you stole my turbo location!!! Yours is the only other car I've seen with turbo placed like mine.

.boB

iTrader: (1)

You could try an in-line filler neck. Simple and easy.

https://www.summitracing.com/parts/r...-305/overview/