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#1 |
Better late than never
![]() Join Date: Dec 2001
Location: Columbus, IN
Posts: 324
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4 core radiator installation
I ordered a 4 core radiator from radiator.com. I am going from a 3 row and someone had said on another thread that new mounts are required with a 4 core. Radiator.com said that it is an OEM install.
Will I need new brackets? If so, I guess vendors will have them or do I have to go to the parts yard? Thanks
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1970 C/10 SWB Stepside |
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#2 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,586
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I have also heard new mounts are needed, but last year I installed a new 4-row using the oem mounts.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#3 |
Better late than never
![]() Join Date: Dec 2001
Location: Columbus, IN
Posts: 324
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Cool, thanks Stocker.
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1970 C/10 SWB Stepside |
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#4 |
SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,049
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You need new retainers & pads for the top & bottom. All the vendors should have them. Your local chevy dealership should too. They are just slightly longer than the 3 core brakets and not very expensive. I replaced the 3 core in my '69 Blazer with a 4 core.
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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#5 |
Registered User
Join Date: Sep 2003
Location: Evergreen, CO
Posts: 494
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You will also most likely have to modify your radiator support as well. No big deal, you just bend down the lip on the support so the longer bottom 4-core retainers can bolt down flush to the support.
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71 Blazer / GMPP ZZ383 / MPFI / 700R4 / 4-Wheel Disk / Ground-up frame off almost completed resto-mod |
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#6 |
Registered User
Join Date: Jun 2004
Location: Saskatchewan, Canada
Posts: 1,368
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When I went from a 3 to a 4 in my 71 GMC 2wd it bolted right in without changing a thing.
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#7 |
Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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It may depend on how worn your radiator mounts are.
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. ![]() We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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#8 |
Registered User
Join Date: Jun 2002
Location: central pa
Posts: 1,525
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If you have a 3 core now all you need todo is put in new rubber mounts as long as the bottom mounts are not rusted off. The old 3 core rubber will probable work but the new rubber will give a better cusion. I just put a 4 core from GMC pauls in.
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72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne |
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