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Old 11-13-2012, 11:25 PM   #1
Davemotohead
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71 4x4 Radiator Upgrade!

Big Block needs more cooling! The hood will just close with this radiator and will make a front sheetmetal shroud to cover the top front,,anyone else do this?
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Old 11-14-2012, 01:08 AM   #2
msgross
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Re: 71 4x4 Radiator Upgrade!

that's one way...

another would be aluminum replacement... or an electric fan setup to move more air...
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Old 11-14-2012, 02:26 AM   #3
bk2life
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Re: 71 4x4 Radiator Upgrade!

Figure out why your truck needs “more cooling” its nov and in cali your not seein anything over 90degrees now, so there has to be another problem..
Also it’d be easier and better to swap out for a nice aluminum in the stock dimensions.
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Old 11-14-2012, 11:57 AM   #4
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Re: 71 4x4 Radiator Upgrade!

Standard questions.... does (did?) the truck have a shroud and a good clutch fan?
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Old 11-14-2012, 01:15 PM   #5
Davemotohead
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Re: 71 4x4 Radiator Upgrade!

Well it realy did not overheat per say,only time it got hot was when I was stuck and abusing it to get unstuck and no air was flowing over the radiator,,it did not have a shroud at the time,but the radiator is old and leaking and I am stripping the 85 suburban and swaping all the parts onto my 71,,so the radiator is free,,Ya its Big,,but it will work and cost me nothing and the shroud will fit as well,,I am not Building a show truck,,this truck is going to be a Work horse and have Car trailor Pulling duty to Pull my Race car and other cars I restore,,so for me Funtion is more important than Form,,I will do all the body work and paint it eventualy,,But right now I need to get some use out of it!
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Old 11-14-2012, 01:47 PM   #6
Stocker
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Thumbs up Re: 71 4x4 Radiator Upgrade!

Looks like a good sturdy truck... I like the stance. And I see you collect Corvairs!
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Old 11-14-2012, 08:38 PM   #7
1972RedNeck
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Re: 71 4x4 Radiator Upgrade!

Bigger isn't going to hurt any thing. I think mosesburb did that too.
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Old 11-16-2012, 12:37 AM   #8
BigRed76
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Re: 71 4x4 Radiator Upgrade!

My dad put that exact size of radiator in his '69 with a 454 because of over heating problems also. It was a huge improvement to say the least, and cost effective since the radiaitor was free
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Old 11-16-2012, 12:38 AM   #9
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Re: 71 4x4 Radiator Upgrade!

Davemotohead, do you know the lift & tire specs on your '71 4x4?
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1970 Chevrolet Custom Camper K20
1971 GMC Super K2500, 12V/NV4500 swap in progress
1971 Chevrolet Custom C10
1972 Chevrolet Custom Deluxe C20, 5.3/4L60E
1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi
2004 GMC Sierra 2500HD, LB7/Allison, CCSB
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Old 11-16-2012, 01:06 AM   #10
Davemotohead
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Re: 71 4x4 Radiator Upgrade!

I think it has a 4" rancho lift and the tires are 35x15,,I am swaping the axels out next with 3/4 ton 8 luggers with these wheels,,they are 18's and the same height as the 15's on there now.
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Old 11-16-2012, 01:15 AM   #11
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Re: 71 4x4 Radiator Upgrade!

Quote:
Originally Posted by Davemotohead View Post
I think it has a 4" rancho lift and the tires are 35x15,,I am swaping the axels out next with 3/4 ton 8 luggers with these wheels,,they are 18's and the same height as the 15's on there now.
Nice, I like the way the truck sits, perfect height/tire size.
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1970 Chevrolet Custom Camper K20
1971 GMC Super K2500, 12V/NV4500 swap in progress
1971 Chevrolet Custom C10
1972 Chevrolet Custom Deluxe C20, 5.3/4L60E
1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi
2004 GMC Sierra 2500HD, LB7/Allison, CCSB
2005 GMC Sierra 1500, 5.3/4L60E, CCSB

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