I recently installed a 289 V8 . In my 66 Mustang . Rad was changed also I am having problems with the car overheating. Is there a coolant available Which will help to reduce operating temp. Any help would be appreciated
Trent

 

Hey
1) is the 289 new? Has it been bored out at all?
2) Has it ever run right to your knowledge?
3) How do you know its over heating? What indications do you have of this? What temp do you believe its getting to?
4) in what condition does 3 occur? On the freeway or at stops in traffic?
5) whats the ambient temp?

I know its a lot of questions but trusssst me.

My 66 is a 302 producing about 290 rwhp it gets driven in stop an go traffic in 110f weather or on the freeway in the same terrible conditions. Temps dont get above 190 in traffic and about 179 on freeway (those are true intake temps accurate to within 0.1deg f) The cooling system is built and uses a radiator from a 68 mustang. So fear not proper cooling can be achieved even in extreme conditions...im guessing Ontario is not

-Gun

 

Thanks for the response . It seems to run a little warm on the highway , when you get into the stop start traffic it really heats up. When I shut it off it seems to vapor the fuel system then I have to put my foot to the floor & crank it until it starts. Temps. are 2000 F at the rad About 180F at the intake. Engine sounds like it has a mod done & thye trans shifts like it has a shift kit. A holley 4bbl.carb with a eddlbrok intake.going to install shroud next .Trent

 

WE don't build them because it's easy but for the love of classic muscle. It's been a work in progress. I'll get it with the help of my CEAR HEAD friends. Trent

 

well if its 200 at the top of the radiator and 180 at the intake its running a bit cool if anything.
if you believe your numbers are accurate (not sure how you got them) then there is not engine overheat problem.

Are you familiar with accelerator pumps? They are responsible for several duties on carbed engines one of those tasks is to allow for engine starts. Almost all the time you'll need to press the pedal to the floor once then back off to idle then attempt to start the car. A correct set choke is also quite important and its poistion is dependent on engine temps (dead cold or hot) and needs to change with these settings. Check out youtube for auto / manual choke explanations and accel pump theory. Then re visit your issues.

-Gun

 

Thanks very much Gun for the imfo. I will look into your suggestions. Trent