would like to know how to spot different radiators - The 1947 - Present Chevrolet & GMC Truck Message Board Network

richardwilken · 09-06-2005, 01:04 AM

I would like to know how a person can tell if the radiator is a single core, four core, etc., and how do you know which one needs to be in your truck?

whitesswj · 09-06-2005, 01:14 AM

best answer i can give is this,

Open up the rad and look in side, if i remember right, there will be 2 holes horizontaly for a 2 row, 3 for a 3, and 4 for a 4.

as for the type for your truck, to him his own, i've had a 2 and a 3. depends on where you're located, i'm in northern Missouri near IL and i think that my 3 has done me fine all summer. and i don't do much towing at all and i've got a 350.
It will also depend on what kind of brackets you have in your truck. each "rad" has it's own brackets b/c a 4 row rad is wider than a 2 row.

my .02, correct me if i'm wrong.

sswj

Americanrider · 09-06-2005, 01:37 AM

Yup, what he said.... I run a new 3 core and it does fine for a smallblock. As long as everything else is in good working order [ie fan shroud, pump, heater core, hoses & t-stat] it will suffice for most all SB applications in medium climate zones. The rad is 1 big part of a complex system, don't ignore the other parts, not with winter just around the corner. There is no mistaking 4 core brackets, those things are HUGE!

whitesswj · 09-06-2005, 11:44 PM

i don't even have a fan shroud. i do have a flex fan with no clutch.
my .02

I can't remeber it ever overheating but once when i was at idle.

sswj

richardwilken · 09-07-2005, 01:49 AM

thanks guys, that explains a lot

09-06-2005, 01:04 AM	#1
richardwilken Registered User Join Date: Sep 2003 Location: clifton, IL Posts: 114	would like to know how to spot different radiators I would like to know how a person can tell if the radiator is a single core, four core, etc., and how do you know which one needs to be in your truck? __________________ 69 chevy 1/2 ton 2wd 72 GMC 1/2 ton 2wd

09-06-2005, 01:14 AM	#2
whitesswj Embrace the Redneck Join Date: Jan 2004 Location: Cabot, AR Posts: 1,334	best answer i can give is this, Open up the rad and look in side, if i remember right, there will be 2 holes horizontaly for a 2 row, 3 for a 3, and 4 for a 4. as for the type for your truck, to him his own, i've had a 2 and a 3. depends on where you're located, i'm in northern Missouri near IL and i think that my 3 has done me fine all summer. and i don't do much towing at all and i've got a 350. It will also depend on what kind of brackets you have in your truck. each "rad" has it's own brackets b/c a 4 row rad is wider than a 2 row. my .02, correct me if i'm wrong. sswj __________________ '01 Camaro *Son, you just can't get there from here...*

09-06-2005, 11:44 PM	#4
whitesswj Embrace the Redneck Join Date: Jan 2004 Location: Cabot, AR Posts: 1,334	i don't even have a fan shroud. i do have a flex fan with no clutch. my .02 I can't remeber it ever overheating but once when i was at idle. sswj __________________ '01 Camaro *Son, you just can't get there from here...*

09-07-2005, 01:49 AM	#5
richardwilken Registered User Join Date: Sep 2003 Location: clifton, IL Posts: 114	thanks guys, that explains a lot __________________ 69 chevy 1/2 ton 2wd 72 GMC 1/2 ton 2wd

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09-06-2005, 01:37 AM	#3
Americanrider Registered User Join Date: Dec 2004 Location: NW, WA. Posts: 1,421	Yup, what he said.... I run a new 3 core and it does fine for a smallblock. As long as everything else is in good working order [ie fan shroud, pump, heater core, hoses & t-stat] it will suffice for most all SB applications in medium climate zones. The rad is 1 big part of a complex system, don't ignore the other parts, not with winter just around the corner. There is no mistaking 4 core brackets, those things are HUGE!



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