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Re: Big block cooling help
http://www.redlineoil.com/Products.aspx?pcid=10
http://royalpurpleconsumer.com/produ.../#.UnXWbvmsidk Lucas oil also makes one... |
Re: Big block cooling help
towreck have you pressure tested your system? The tiniest leak will cause the temp to climb ie a loose clamp that just needs one more turn.. Get a leak tester and pump it up to 16psi and see if it will hold..
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Re: Big block cooling help
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Re: Big block cooling help
Im going to a built big block no a/c or p/s...although p/s will be down the road.
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Re: Big block cooling help
then as long as the engine isn't heavily built, a standard single speed fan and one of our radiators would keep it very cool.
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Re: Big block cooling help
The good part about our radiator set up is that you can always add the electric fan and shroud kit later, or if you buy a regular fan and then build the motor/ change cam, you can switch out to the dual speed fan kit easily.
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Re: Big block cooling help
So sparkyrnd... I have a 454 with 405hp/520tq that will be running ac that's carbed (edelbrock 750). Haven't run it yet so don't know what the temps will be yet but I will be towing 3-4 times a month up these hills in Neveda. What would be the setup you would recommend that doesn't require me to do anything manually (like turning on a fan switch)?
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Re: Big block cooling help
Our radiator with a pair of 14's should handle that. You'd want the radiator, the fan & shroud kit and two controller kit with relays. If you're interested or want to discuss more, shoot me a PM with your contact info
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Re: Big block cooling help
Why do people say 4 core? Radiators have one core....they have 2,3,4 rows ....
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Re: Big block cooling help
Describing groups of rows as a core is an industry standard term. What has come to be the generally accepted definition is that a core is a linear group of rows of tubes. A 1 core radiator has a single row of horizontal or vertical tubes, a 2 core has two, etc. Within each row there can be any number of tubes depending on manufacturer.
People also need to understand that original style brass & copper radiators use 1/2" thick cores, so a 4-core brass & copper radiator has four rows of 1/2" thick tubes, for a total core thickness of 2". The aluminum units we build uses two rows of 1" thick tubes, for a total core thickness of 2". We state that our radiators are the same thickness as a standard 4 core. |
Re: Big block cooling help
Hey, towrecker, bodyman-friend of mine told me how to cool a big block-into-older-chev. It involved 2 steps. You already have the 1st--the shroud. Second step was install a 6-blade fan, solid mount--CLUTCHLESS--properly depth'ed into shroud.
This is too much drag and noise for everyday driving. But should be ideal for your application--they are made for each other. Ours would literally suck your shirttail towards rad if you bent over front, like adjusting carb. When you solve your problem, please report back to group. Don't hafta use my name--just wish for group to know what a solid-mount fan & shroud are capable of. Our rad was a factory unit for cooling a 235 Chevy motor. Our motor was a rarity--a 396/425 hp, that I bought new from Chevy dealer in Greenville, SC, & installed in a 55 Chevy that was a 6-cyl/3-speed with overdrive from the factory. Used that same factory rad with the big-block install, & cooled it with above solution. Will be following thread, so good luck. Sam |
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