Different fans for HD radiator? - Page 3 - Chevy Impala SS Forum
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post #21 of 26 (permalink) Old 05-17-2019, 01:24 PM
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Here's oem setup if it helps:

Bottom Center




Top Center





PS Side - It appears the standee is molded into the sidetank







EDIT: Woah! You's guys are on it! Better photographers too.

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear)
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, wait for it... LT-4 knock module!

Last edited by 96 Black; 05-17-2019 at 01:29 PM.
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post #22 of 26 (permalink) Old 05-17-2019, 01:31 PM
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Quote:
Originally Posted by Z09B4U View Post
The big bolt hole is just for quick installation. The bolt head is made with a washer under it so it clamps the large hole. Instead of a fender washer maybe a rubber from a swaybar end link would go over the post and set the height for the fan mount?
Yeah a sway bar end link bushing might be the right size to go "over" the FSR post and net flush to the top shich would present the backing needed for the larger hole in the fan ear. I just used a fender washer with a small hole that was the size of the flange head bolt used to hold the fan on. The flange head though itself is not large enough to cover the size of the hole so I used a washer that fit "in" the recess of the fan ear then used the bolt.

Either a fender washer or other type of spacer/sway bar bushing/something would work. For me a fender washer was fine

SSand….your ears may have been drilled as I don't remember how big mine are but washers on either side of the fan ear so your fan mounts "on top" of the FSR post will work

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post #23 of 26 (permalink) Old 05-18-2019, 11:11 AM Thread Starter
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Thanks everyone! That clears it up some. So it looks like they definitely fubbed the flange up on mine, whether or not there was ever a 3/8ths thicker radiator core I don't know but my guess is if there was it would be near impossible for me to find the correct clips for it anyway LOL I actually wish i could find a new lower clip (mine is badly rotted) but I can't seem to find them new anywhere. I may end up fabbing up my own mounting clip for the lower.

As for the mounting posts, just going to improvise and use some spacers. The sway bar bushings sounds like a good idea, and I could always file them down to fit if they are a little too tall.

FSR makes a beautiful quality radiator. The welds are a work of art and the price is great. Just a little disappointed that they wouldn't use mounting posts that are plug and play without having to mess with spacers. It also would have been cool if they TIG welded mounting flanges that the fans could bolt directly to at the top and bottom instead of having to reuse the clips, but for the price of the FSR compared to a BECOOL I am still happy.

The design of the FSR probably makes it easier to use an aftermarket fan setup/shroud as well without having integrated mounting flanges getting in the way.

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Last edited by SSandman; 05-18-2019 at 11:15 AM.
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post #24 of 26 (permalink) Old 05-21-2019, 11:36 AM
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My 96 Impala SS W/ separate oil cooler has the smaller diameter electric motor on the passenger side, and the larger diameter 3 tab mount fan motor on the drivers side.
Just tossing that in there.

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Last edited by SoCalChlln; 05-21-2019 at 02:25 PM.
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post #25 of 26 (permalink) Old 05-21-2019, 11:43 AM
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Quote:
Originally Posted by BALLSS View Post
Quote:
Originally Posted by 96 Black View Post
Hopefully some other guys with '96 V03 can weigh whether they got the expected and normal V03 big/little combo as I have, or just two little motors per this reported "'96 year only change".

.
+1. 96 SS V03 with big & little fan motor
My 96 has the small motor, larger motor configuration. W/ separate oil cooler.
Here’s pics of my lower clips.
How did you get pics in your post instead of as a thumbnail ?
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K&N Gen II Cold Air Intake, HB Removed, Jet Airfoil, TB bypass, Stealth Brake Biasing, Cat Back Exhaust w/ side by side crossover.

Last edited by SoCalChlln; 05-21-2019 at 02:30 PM.
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post #26 of 26 (permalink) Old 05-21-2019, 01:37 PM
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Originally Posted by SSandman View Post
I took some pics to better explain my situation. You can see the upper and lower clip issue in the picture. The flange is simply too wide and FSR claims this is because it was build for the "HD" radiator which has a 3/8ths thicker core. Seems like they may be mistaken on that option.


.

Balls, do the fan mounting legs, radiator mounting posts (or both) look different from yours?
SSand..

If I see your 1st pic correctly the stock top fan clip mount is to narrow now to "clip" between the two rails that hold it, right??

If so couldn't you just rivet a piece of bar stock to "thicken" that part (between the 2 welded on mounting rails) so that narrows the space allowing the spring clip to hold on?

IDK about a HD radiator being 3/8" thicker, maybe but as you see the FSR is already considerably thicker than a stock radiator

Regarding the posts where your blade ears bolt to, just a fender washer on top of your posts will do but as mentioned "alternate" ways also. I have used SS spacers in various widths before to solve other mounting issues (rear alt bracket using headers) that I get at a local hardware store

IDK if you got this far yet but I found the feet that go in the rubber isolators on top & bottom I had to dermal the rubber to a wider slot as the feet were slightly in further on one end than the stock radiator. I suspect the jig or whatever measurement used was slightly off but some simple trimming of the rubber isolator resolved that for me.

Just like any aftermarket part, especially one with a larger capacity...some "massaging" is often needed

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