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Old 05-26-2016, 02:37 PM   #1 (permalink)
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Griffin Radiator feedback?

I bought a combo unit for my LS swap last year and it is already leaking all over the place as of 7000 miles. Dealing with Griffin as been a PITA. I bought it from CCOR and so they have jumped in to help me out, but still need to send it to Griffin to get them to verify that it is leaking from small cracks up and down the tanks between the tanks and the fins.



kinda hard to see but it is leaking badly from all the areas and more with arrows.



To add insult to injury I am being told that they don't have a replacement in stock and so it is going to be two weeks minimum. Any suggestions on how to seal this up?

I have tried the alumaseal (which was Griffins recommendation when I called them) and that didn't work. Now I have tried epoxy between the suspect fins.

I am at a loss.
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Old 05-26-2016, 02:39 PM   #2 (permalink)
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What's all that stuff that looks like rust?
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Old 05-26-2016, 02:40 PM   #3 (permalink)
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that is where the coolant has leaked out, mixed with some of the alumaseal crap I put in.
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Old 05-26-2016, 02:41 PM   #4 (permalink)
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How is your radiator mounted?
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Old 05-26-2016, 02:41 PM   #5 (permalink)
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Had one start leaking after 2 years of use. Found 7 tubes that were leaking. Radiator tried to fix with a hot epoxy but every time he fixed one then another would start leaking. Replaced with a Northern radiator after reading some feedback on Griffins.
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Old 05-26-2016, 02:50 PM   #6 (permalink)
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Tom Beebe is enough of a reason for me to never ever buy anything from Griffin, faggot wears it's mom's pants .

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Old 05-26-2016, 02:55 PM   #7 (permalink)
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How is your radiator mounted?

Mounted reg up front with dual fans and mounts / isolators. Never been an issue where it is, it is rock solid.

The shitty thing is I have the shroud and fans for this radiator, so I went ahead and ordered another one off amazon (same model) so I can at least get back on the road. Right now my truck is DOA.

I am debating whether I send back the old one to them for them to deny me warranty and then I eat the $100 or so shipping (west coast to east) or just say F it and call this lesson learned.
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Old 05-26-2016, 03:00 PM   #8 (permalink)
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Mounted reg up front with dual fans and mounts / isolators. Never been an issue where it is, it is rock solid.

The shitty thing is I have the shroud and fans for this radiator, so I went ahead and ordered another one off amazon (same model) so I can at least get back on the road. Right now my truck is DOA.

I am debating whether I send back the old one to them for them to deny me warranty and then I eat the $100 or so shipping (west coast to east) or just say F it and call this lesson learned.
Is it grounded??

I had lots of problems with electrolysis...
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Old 05-26-2016, 03:17 PM   #9 (permalink)
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no, it isn't. I have urethane feet on it. I understood that you don't want it completely isolated, but the top mount grounds it.
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Old 05-26-2016, 03:18 PM   #10 (permalink)
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I didn't buy a high end Griffin, but the medium grade one I bought, I was not impressed with. I got one with mismatched u-caps, and they couldnt tell me which numbers had which caps. I ended up eating the cost of that one. real basic end caps with no real rigid structure, I could see how they would end up leaking.

I ended up speccing out my own CBR. The cost was 50% higher, but I tell you there won't be a more heavy duty radiator. Or prettier, IMO. I'll be doing a CBR in all but the basic of trail rigs.
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Old 05-26-2016, 05:54 PM   #11 (permalink)
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cracks like this would tell me mounting is twisting.

cross flex your rig and measure is there deformation in the mounting
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Old 05-26-2016, 06:38 PM   #12 (permalink)
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no, it isn't. I have urethane feet on it. I understood that you don't want it completely isolated, but the top mount grounds it.
Are the top mounts rubber isolated?

If so, it ain't grounded.

I had a ground strap and a sacrificial anoind (sp?).
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Old 05-26-2016, 07:15 PM   #13 (permalink)
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cracks like this would tell me mounting is twisting.
I agree
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Old 05-26-2016, 08:00 PM   #14 (permalink)
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then why not on both sides? And why delamination of the epoxy?
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Old 05-26-2016, 08:15 PM   #15 (permalink)
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Quote:
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cracks like this would tell me mounting is twisting.

cross flex your rig and measure is there deformation in the mounting
This is spot on. Another issue is epoxy. Recently ran a flush through my cheapy all aluminium from a vendor on ebay and it bled out just ordered another one up for $199. At this price it not that big of a loss and they come with heat exchangers built in can run the factory dual fans with shroud.

A good ground on the block should be fine. Nothing like that I see for eletrolosis on my gmc. There is and enzyme additive some radiator shops use.

The 2000 and up 6.0 silverado 34" core is where I start with and ls swap vs spendin $1200 on a cust one off.

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Old 05-26-2016, 09:03 PM   #16 (permalink)
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Griffin is a cheap radiator. You get what you pay for. I run one. It's meh.
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Old 05-26-2016, 09:19 PM   #17 (permalink)
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Old 05-26-2016, 09:52 PM   #18 (permalink)
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$800 wasn't cheap. I bought the combo unit because of the spal fans and shroud and their cfm and btu testing they bragged about. I feel like a radiator should now be one of those cheap abuse and replace units.

I just need a 33 x 18.5 inlet outlet pass side with steam port and pref trans cooler.
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Old 05-26-2016, 11:16 PM   #19 (permalink)
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Another vote here for the odds of it being a mounting issue.

Pics of how it is mounted and the areas of frame behind it may help. It would suck for you to call out Griffen for a bad radiator, then you go buy a different spendy one and find out you have the same problems over again.
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Old 05-27-2016, 07:56 AM   #20 (permalink)
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so here is the frame bare. The core support isn't in yet and I did have to cut it up quite a bit to fit the winch feet out in there. The A-Bomb is gonna limit a lot of torsional rotation. I can't see the radiator flexing that much at all. The A-Bomb caps and shortens the front frame rails.

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Old 05-27-2016, 08:00 AM   #21 (permalink)
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I can't see the radiator flexing that much at all.
I can.
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Old 05-27-2016, 08:07 AM   #22 (permalink)
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well not really sure what I can do to stiffen it up.
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Old 05-27-2016, 08:07 AM   #23 (permalink)
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thats what she said. ha ha
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Old 05-27-2016, 08:08 AM   #24 (permalink)
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well not really sure what I can do to stiffen it up.
You aren't looking to cure the flex in the frame. You're looking to fix the radiator mount so it accounts for the flex without twisting the radiator.
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Old 05-27-2016, 09:25 AM   #25 (permalink)
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$800 wasn't cheap. I bought the combo unit because of the spal fans and shroud and their cfm and btu testing they bragged about. I feel like a radiator should now be one of those cheap abuse and replace units.

I just need a 33 x 18.5 inlet outlet pass side with steam port and pref trans cooler.
You could've picked up a CBR radiator for $100 more. I hope they used lube when they sold you that Griffin unit

CBR OFF-ROAD RADIATORS

But like has been said. I'd look into mounting. If your worried about frame flex. You can build a solid mount for the radiator. Than mount that piece with a loose rubber mounting system.
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