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#1 |
Registered User
Join Date: Dec 2017
Location: Orlando, Fl
Posts: 5
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Getting ready for summer
Greetings!
Been reading a lot here... thanks for the shared knowledge and place to see awesome trucks. Mine is a 72 C10 that started out as a short bed fleetside but now has a step side bed. 350, TH350, factory air, and a decent non factory restoration on the 90’s. I drive it everyday here in Orlando... but summer (and Orlando traffic) is coming again. Did kind of OK last summer... had to be smart about traffic lights. It will run too hot if not careful. I wanted to do the Cherokee electric fan conversion with the current shroud because of price and factoryish look, but discovered my truck has a big block shroud (I checked part numbers) and I do not know why. SPID shows 350, has a 350 (not original but was told it was a low mileage motor from another 72 C10 put in at the time it was restored. The fan is 18” and is 2.5 inches from the top of the shroud and about 3/4” from the bottom. It is a non clutch fan. 1. If I get a small block shroud, will the fan sit centered and then cool better due to filling the hole better? 2. I think I read there is an AC and non AC shroud? 3. Will the shroud bolt up with no other changes? 4. If I get a small block shroud and do the Jeep electric fan mod, will I need to change the pulley because it extends into the current shroud? Thanks so much. I have tried to look up these questions on the forum but kind of a odd situation? Chris Posted via Mobile Device |
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#2 |
Registered User
Join Date: Apr 2015
Location: East Tn (In the heart of the Smoky Mtns)
Posts: 1,872
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Re: Getting ready for summer
I took my clutch fan out, because I was having the same issue. I put a 6 blade no-clutch fan in, and haven't had an overheat problem since
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#3 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Getting ready for summer
Welcome to the forum. While I can't tell you if your Cherokee fan will fit properly in the current or correct shroud, I would personally recommend the correct stock shroud and I'd dump the Cherokee fan in favor of an original clutch style fan (looks like you have a flex fan at the moment?). Worked back in the day, but of course that was BEFORE global warming...
![]() EDIT: One more thought - the only nagging issue I've had recently with overheating was a few years ago - turned out I had an air pocket in the radiator. A good mech found it with a temp gun and purged it, all good ever since. Just one more consideration. Not common, but can happen. |
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#4 | |
Registered User
Join Date: Oct 2013
Location: Dresden, Ontario
Posts: 647
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Re: Getting ready for summer
Quote:
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1970 Short Wide 5.3 4L60E BlackBear tune 3:73 gears, Boyd's Tank 2.5 / 4 drop 5 lug disc brakes Vintage Air 18x8 Ridlers 255/55 frt. 18x9.5 275/60 rear |
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#5 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Getting ready for summer
What Jocko said.
1. Get the correct shroud & the correct fan & clutch (I'd go with the heavy duty option even though you don't have A/C) 2. the A/C shroud is 1" shorter than the non-A/C shroud, get the non-A/C shroud (LMC about $60.00 plus ship) 3. If your radiator is stock it will bolt right up. If you don't have the clips/bolts LMC has them too. 4. I would stay stock if possible (I had a '72 super with A/C as a daily driver in south fla years ago, always ran the A/C, it always ran cool) |
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#6 |
Registered User
Join Date: Dec 2017
Location: Orlando, Fl
Posts: 5
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Re: Getting ready for summer
Ok, will consider going with a clutch fan... do not know if radiator is stock. Has the trans cooling lines hooked right into the radiator a few inches below the cap and a few inches above the lower hose. Looks like it belongs. Would the correct shroud bolt up the same as the big block shroud (same brackets and such), or are the “bolt pattern” of the shrouds different?
Thanks again! Posted via Mobile Device |
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#7 |
Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
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Re: Getting ready for summer
I would get a 4 core aluminum radiator. Champion has them for about $250.
The aluminum cools better. That with fan recommendations here and I'd bet you'd be good. I had some overheat issues and the 3 core aluminum rad fixed that. Mark
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My build page http://67-72chevytrucks.com/vboard/s...d.php?t=764662 My cabinet building site http://www.cbcabinets.com |
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#8 |
Registered User
Join Date: Feb 2018
Location: Mid MO
Posts: 86
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Re: Getting ready for summer
I had over heating issues in a BB Camaro with a non-clutch fan, shroud and an aluminum radiator. I changed to a 7 blade fan, heavy duty fan clutch, high flow thermostat and a Stewart High Flow pump.
Still creeps up there in a lot of stop and go traffic, but much better than before. Steve |
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#9 |
Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: Getting ready for summer
The correct shroud will bolt up like the BB shroud.
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#10 |
Registered User
Join Date: Feb 2018
Location: LaCrosse Ks.
Posts: 50
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Re: Getting ready for summer
Go all original, (except the rad. Alum would be cheaper). Here's why:
https://www.youtube.com/watch?v=ZXdLgaFXZzs It is eye opening. Thanks! Richard
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Lead, follow, or get out of the way! |
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