Are we talking a methanol carb, EFI or MFI? N/A or boosted?

 

Are we talking a methanol carb, EFI or MFI? N/A or boosted?

Its efi and boosted,the intercooler pump is a 2000 gph bilge pump and the tank holds 4.5gal,Ive got the intercooler out let going throught the engine now,hoping to have it running next weekend,god I hope it works.........................


Corza

 

I am going to suggest a few things.
1st Since you have EFI, I would fatten up the idle mixture. Play around with it and find a spot where the temp will maintain @ idle. Being your running methanol it is a pretty easy thing to do.
2nd. Your cylinder holds under a gallon which I don't think is enough volume to help, so I would swap it out for a small radiator. If you want to keep it small use a tranny cooler and fan. That way it is always taking heat out of the system and not building heat in it.

 

I have about the same set up. I have my idle at 6.2 afr and with a small radiator it will mantain 155deg at idle all day on alky, takes about 7-10 min to get the temps up on it though. I run a small griffen radiator about 10" tall and 16" wide. At the end of a run, 1/8th mile the temps are about 100deg.

 

As long as you don't get into a situation where you have to "hot lap", you should be ok. But I agree with UP, capacity can be your friend.

 

I agree a small radiator is in order. Look a @ common Midget or 600 mini sprint radiator. DONT get a plastic tank rad be sure the core is WELDED/no epoxy!. A source is Saldana in Indy. The can put your size inlet/outlet in the all alun tanks. Can also put in a bleeder line fitting if not putting water in rad[highest fill point]. Ask for Keith

 

I use a rad from a Pontiac Firefly and have never had any problems with overheating.

 

Well Ive changed a few things.Instead of having the w2a outlet go back to the tank,Ive got it going through the front of the head using -12,it comes out the head -12 and joins up with the origional hose that came out of the w2a that returns to the tank,so now it goes into the w2a,comes out,goes to into the head and come out and joins with the hose that goes back into the tank.......
I started the car with tap water in the tank,it took a few minutes to get to 140,then it got to 180 in,Id say,8 seconds!!!!
Then I turned the pump on and man it came down fast!!,it went to about 120 and stayed there for about 4-5 minutes,its a 6 gal tank......
I could then feel the water in the tank getting warm,I was running pump gas at the time and seeing though I'm normally running methanol,Im hoping it will do the job....

My only concern is the flow back to the tank,because Im running -12 in and out of the head its really restricting the returning water in the tank..
I was thinking of having a -16 Y piece on the outlet of the intercooler and running the origional line back to the tank and having one side of the Y going into the front of the head and on the back of the head have a seperate -12 line going back into the tank.....Im hoping that will increase the flow back to the tank from the w2a and keep the flow constant thougt the head........

Corza

 

IMO I would rather have a small aluminum radiator with a fan instead of tank with 6 gallons of water splashing around. That way if you have to hot lap you can let the motor idle down the return road and leave the pump and fan on to cool things down.

 

And there you have it.

 

We used to run a blown alcohol small block bone dry, block was about 80% filled. Engine never got more than about 180 degrees. Made 1100 horse power, never had a problem one. Good luck!!