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Any tips for radiator pads for a 3" Griffin?


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6 replies to this topic

#1 MCBeast

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Posted 23 December 2017 - 10:45 PM

Hey folks,

 

Just got a Griffin for an LS conversion. Seems a hair tall, and I'm not sure what to do about radiator pads. All the ones I've been able to find seem to have a curved cut for the stock-style radiator tanks, and this is a definite rectangle.

 

I know plenty have used Griffins or other aftermarket aluminum radiators, so I'm hoping someone might be able to point me in the right direction for how to get it in there, and save me some headaches. :)


-DJ

*shovels money into a roaring fire*
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#2 72SinceNew

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Posted 25 December 2017 - 02:38 PM

If U are not worried about being stock - use a piece of garden hose - works for me - cushions the radiator perfectly - you cut to size - use heavy duty 5/8 inch hose

price is right - good luck !!



#3 Blackhawk

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Posted 25 December 2017 - 08:03 PM

Hey folks,

 

Just got a Griffin for an LS conversion. Seems a hair tall, and I'm not sure what to do about radiator pads. All the ones I've been able to find seem to have a curved cut for the stock-style radiator tanks, and this is a definite rectangle.

 

I know plenty have used Griffins or other aftermarket aluminum radiators, so I'm hoping someone might be able to point me in the right direction for how to get it in there, and save me some headaches. :)

I ended up taking a utility knife to my new mounts and trimmed them so that they fit better.  I don't believe anybody makes perfect fitting mounts for aluminum radiators.



#4 MCBeast

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Posted 27 December 2017 - 11:21 AM

I ended up taking a utility knife to my new mounts and trimmed them so that they fit better.  I don't believe anybody makes perfect fitting mounts for aluminum radiators.

Yeah, the ones I currently have are from NPD (C-1270-101P) and they're a perfect for my stock small block radiator. Had to trim to get the driver's side pads into the core and upper retainer, but that's it. To trim those for the Griffin looks like I'll have to cut out almost a 1/4" from the saddle. I'm thinking big block radiator pads (PTP-7-1712-BL on Summit) might work with less trimming because they're showing an inner dimension of 3.48".

 

I'm hoping that with the properly trimmed pads it won't sit up so high, but if it does I'm thinking I'll need to cut the lower radiator support and re-weld it lower down.


-DJ

*shovels money into a roaring fire*
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#5 MCBeast

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Posted 12 January 2018 - 12:07 PM

Update.

 

I got the big-block radiator pads (link) and they're much closer to the Griffin. The small block ones just required way too much trimming. These only required a little.

 

Untouched next to radiator:

xdt5FiMm.jpg

 

Untouched next to trimmed (small pieces are what was removed):

ggqQ9Bym.jpg

 

But now I have a different issue: the core supports (and top retainer) are way too small for the pads. I think I'm going to have to do some cutting and welding to extend them. Were the radiator core supports different for big blocks than small blocks? Passenger side pads fit no problem, but driver side would require so much trimming as to completely cut off one side of them.


-DJ

*shovels money into a roaring fire*
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#6 Blackhawk

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Posted 12 January 2018 - 12:21 PM

Did your car have A/C?  I believe there were two types of radiators and core supports used.  The first was for SBC cars without A/C, they had a smaller opening in the core support and had three bolt holes in the top cover.  The second is for SBC cars with A/C or BBC cars, this had a larger opening and the top plate has four holes.



#7 MCBeast

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Posted 12 January 2018 - 10:09 PM

Yep, originally a 350 2bbl Rochester with A/C. Top bracket has 4 bolt holes; I had my original blasted and powdercoated as well as the core support. I feel like I'm going crazy. :crazy:

 

Top driver side showing how shallow the top bracket is

ydr87Wfm.jpg

 

Showing alignment:

NcyUNspm.jpg

 

Bottom driver side:

4w3QElEm.jpg

 

Top passenger side, fits perfectly:

fwU9Iwpm.jpg

 

Bottom passenger side, also fits perfectly:

lgWO9W4m.jpg


-DJ

*shovels money into a roaring fire*
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