Alumitech LS radiator conversion 68 TO 72 - Chevelle Tech
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Old Mar 20th, 11, 7:28 AM
ALUMITECH REPRODUCTIONS ALUMITECH REPRODUCTIONS is offline
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Default Alumitech LS radiator conversion 68 TO 72

There has been some debate over the LS conversions , as to hose conections

I get alot of people calling that have seen rads on e/bay with the dual pass set up , with both hose connections on the passanger side , and they think it has to be done this way .



Yes i can build a dual pass unit like that but prefer not to for a few reasons .. 1 .. with the fill cap off , your going to get a face full of coolant if you rev the motor .. 2 you cant run a internal trans cooler on the passanger side if theres a blocking plate half way down the tank to make it a dual pass rad .



what I would rather build is the standard config with 2 changes .. upper hose conection is changed to 1.25 inch , with the steam port just below ... if you buy the upper hose for a 2010 Camaro things go together nice , as you are going to run electric fans any way .



here is a link to a earlyer post on the subject



http://www.chevelles.com/forums/show...=301560&page=2



If somebody wants the dual pass rad ... I will build it .. just pointing out reasons why not to .. if your running auto trans and such .

As for the guys with the 64 to 67 projects .. no prpblem there with the Down flow rads .. just a mater of getting the proper hose from a doner car .. Camaro / Vette .. The upper hose connect changes again to 1.25 , and we put the steam bung in .. if you want both hose connections on the passanger side .. yes i can do that , but in the down flow config
its not the best cooling set up with both hoses stacked above each other like the 64/65 chevelles .. coolant does not flow as well to the driver side of the rad .. one reason things were changed in 66 to the upper hose going to the driver side of the rad .. better flow pattern .

now as for the guys that like the cross flow rads in the 64 to 67 years .. the down fall is a smaller core size and you have to run a smaller 16 inch fan ... with limited room left to right by the time you put tanks on the core and brackets to mount you have lost aprox 20 sq inches of core area for cooling .. this is why i prefer useing the Down flow rad ... more core and twin fans = better cooling

Don
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Last edited by ALUMITECH REPRODUCTIONS; Mar 20th, 11 at 7:59 AM.
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  #2  
Old Mar 20th, 11, 9:45 AM
Bowtie70ss Bowtie70ss is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

I was one of the people who called wanting a dual pass radiator for my LS2 swap. Ultimately I was talked into getting one exactly as described by Don. I could not be happier. It looks very nice and has the same high quality as the stock reproduction one that I have in my Elcamino.
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Old Mar 20th, 11, 11:43 AM
pist0lpete pist0lpete is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

Appreciate you coming over here and adding some tech info on radiators. Glad to see you are offering some options in the radiator department. Personally I am still running a stock radiator with some junkyard dodge intrepid fans and it does a great job keeping things cool even in traffic during the summer. If for some reason this setup fails me I will be giving your setup a try most likely.
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Old Mar 20th, 11, 2:14 PM
ALUMITECH REPRODUCTIONS ALUMITECH REPRODUCTIONS is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

Quote:
Originally Posted by Bowtie70ss View Post
I was one of the people who called wanting a dual pass radiator for my LS2 swap. Ultimately I was talked into getting one exactly as described by Don. I could not be happier. It looks very nice and has the same high quality as the stock reproduction one that I have in my Elcamino.
could you share what upper hose you went with .. and post a pic of the installed rad .
that photo may be your rad if i remember right .. manual trans ??

Don
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Old Mar 20th, 11, 4:43 PM
Bowtie70ss Bowtie70ss is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

I am waiting on my core support to come back from the powder coater, hopefully later this week. I will get a pic up and the hose as well.
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Old Nov 16th, 11, 12:17 PM
skryla skryla is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

What is the recommended coolant for an Alumitech radiator? Mixture to -20? I live in the Northeast.
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Old Nov 16th, 11, 2:34 PM
forcd ind forcd ind is offline
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Default Re: Alumitech LS radiator conversion 68 TO 72

i used an AFCO A body LS conv. radiator on my 69, vette front aces. dr., and 2000 Camaro upper/lower hoses-i welded in a 1/8 fitting to hook up to the steam line
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