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Yesterday, 10:37 PM | #1 |
Registered User
Join Date: Mar 2013
Location: Fostoria,OH
Posts: 64
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radiator w/electric fans upgrade questions
Alright..so..while I was working on my 93 GMC the other day I had the fan shroud off, then I had an oops. Said oops resulted in a pin hole in my radiator. As anyone could imagine I was/am quite upset. After having a day to think on the situation I have decided to upgrade to a setup with fans. The truck currently has a 4.3 that I am considering swapping for a basic LS or even just a basic small block with an aftermarket TBI at some point. If I were to do that I would want/need to swap the rad anyway. Given this possibility my thought is I can get the rad upgrade out of the way. Plus I'm thinking that switching to electric fans wouldn't be a bad idea even if I don't swap my 4.3. I'm sure a few of you have done this already for various reasons.
I would like to do this on a reasonable budget (like under $400 reasonable). Just doing a bit of window shopping I have seen A LOT of kits online in the $200-$400 range. There are tons of the same 3-4 kits on ebay. Has anyone on here used a budget setup like what I found on ebay? I'm also wondering about connecting the electrical for the fans, and an upper brace/bracket for the rad. Some tips, info, and pics would be helpful and much appreciated.
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my reaction when i realized the true condition of my truck? 3 words...un........... believable |
Today, 06:21 AM | #2 |
Registered User
Join Date: Mar 2015
Location: Manchester, CT
Posts: 431
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Re: radiator w/electric fans upgrade questions
Here's how I chose to cool my LS swapped '89 (same basic truck as yours). I'm using a radiator for a 350 engine from Spectra Premium. It should fit your existing saddle mounts. For cooling fans, I did some boneyard scrounging and found that a V6 Chrysler Sebring fan assy. will cover the radiator core nicely. To hold the radiator in place, I bought a new upper shroud and cut it so that all that was left was the mounting saddles for the upper radiator, and the mounting surface for the core support. How you choose to trigger your fans on/off will depend on your engine choice. I'm using the LS PCM and relays to turn my fans on/off. You gotta be careful with the aftermarket aluminum radiators, as they are not noted for longevity. Corrosion is another concern with them
Last edited by LeesTruk; Today at 08:02 AM. |
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