Radiator insulators

Could anyone tell me were to get the rubber insulators that the radiator rest on for a 64 Buick Skylark? The rubber on mine just desinegrated when I pulled the radiator.
While I am at it how do I find out what gears I haveand if it is a posi trac?
I it is not a posi what years will interchange?
Thanks

 

Jack your rear up and spin one tire, if they both go the same direction it's posi. You can count the rotation of the driveshaft to one rotation of the tire and get a rough idea of your ratio. Not sure on the isolators. You may want to try Steele Rubber, or maybe CARS.

http://166.82.96.3/homeframes.html

 

Thank U Thank U Thank U

 

hi, ed:

lucky for you, i just recently went through this very problem and here's what i found. these insulators are exactly the same as are found on chevy trucks. the best parts source i've found is lmc truck in lanexa, kansas. their 800 number is 1-800-LMC-TRUCK (1-800-562-8782). you need to know if your radiator is a three core or four core. if it is a three core, then the part number you need is 32-0971. if it is a four core, then the part number you need is 32-0972. either way, they cost $4.95 each. you will need four, two for the top and two for the bottom. these part numbers i have given you are for a 1973 through 1987 application. i can't imagine that there would be much difference between these and parts applicable to 1964. if you want to check and make sure, just call them and they can help you. also, if you can't tell whether you have a 3 or 4 core radiator, measure the thickness of it at the point where the rubber insulator mounts. if the radiator is 2 3/4 inches thick, it's a 3 core. if it's 3 3/4 inches thick, it's a 4 core. happy wrenching.

 

Thanks
My radiator where the rubber mounts ride only measures 1 3/4 inches? I believe it is the original radiator. Do I need a bigger radiator? Any ideas?
Thanks
Ed

 

if your engine isn't running hot, then your radiator is probably fine. did you measure it at the rib where the tank is soldered to the core (the widest part)? if so, then please tell me what size the engine is, and if you can tell how many rows the radiator core has. i will try to help you get the correct insulators.

 

I don't have the motor in yet. I measured the radiator at the widest part of the bottom tank. I will be installing a 350 engine

 

you're going to need to know what size your radiator is if you want to get the correct insulators. since you are not outfitting a chevy truck, you can't just tell the operator/salesperson at lmc truck your application and get the right ones. if you are installing a larger engine than was previously in the car, then it is critical to get the correct rediator for the engine you are installing. i would suggest that you find a reputable radiator shop locally and check with them to see if the radiator you have is adequate. there are several factors which go into this equation and they will have all the answers you need. i would tend to think that a three core copper radiator in your northerly state would be acceptable, but it is extremely difficult to get a copper radiator anymore. they have all gone to aluminum, which is good if you can get it to fit your application. you can get away with a smaller radiator when you use aluminum because they transfer heat better than copper. i would hate to see you go to all the work of doing an engine swap and then burn the engine and/or tranny up because of an inadequate radiator. please don't forget to take your radiator with you. they can tell you how many cores it has by looking at it. then i can help you with the correct part number. by the way, here in sunny georgia, i'm running four core copper radiators in my '78 chevy stepside (with 350 chevy engine) and my '73 riviera (with stock 455). i will be installing tranny coolers in both of them this spring. happy holidays.

 

How do you tell how many cores there are? Looking at the radiator there are two tubes or whatever you call them that are running horizontally in each set of fins.

 

Yes it is a two core. Any ideea as to where I could get a four core that will fit the skylark without any modification?

 

yes. go find a reputable radiator shop in your area. they can determine what size radiator your ride takes. you will probably wind up with an aluminum radiator because copper is hard to come by these days. that's ok, but make sure you get a lifetime guarranty. also, you can probably get away with a smaller radiator up there in your northerly climate. by the way, aluminum is better because you get more cooling per any given size.
happy wrenching.