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08-13-2018, 06:00 PM
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#1 |
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Senior Member
 
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,209
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Pusher Fan
Has anyone tried a pusher fan to help the AC work when at an idle? Engine cooling isn't a problem with the 7 blade fan and thermo fan clutch, but the AC isn't quite as cold at an idle as it is going down the street. Yes it's a R134 conversion.
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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08-13-2018, 08:28 PM
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#2 |
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Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,158
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Re: Pusher Fan
I have a puller and a pusher on mine, both electric. When the AC is turned on they both kick on. Fan part number, FLX-112 fan from summit racing. https://www.summitracing.com/parts/flx-112
Good idea to put a fan on the condenser for 134A. Smitty
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71 C10 283/3SPD Full Resto 71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599 70 C10 Suburban Former military GSA truck. 72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378 72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110 68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head 71 C30 Wrecker 71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck 68 GMC Long Stepside. They keep following me home 71 C20 Longhorn/Ole Yellor 69 C30 Former Motor Home, Flat Bed time Last edited by 71meangreenc10; 08-13-2018 at 08:33 PM. |
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08-13-2018, 08:49 PM
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#3 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,497
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Re: Pusher Fan
I recently put twin pushers in front of my condenser. Haven't driven any distance and have yet to check with a thermometer, but I suspect it's still not blowing as cold as I'd like. New R134 conversion with all new parts.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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08-13-2018, 08:51 PM
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#4 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Pusher Fan
Yes I ran one for year just for the AC. If you want to really cool it down buy a junkyard ford dual speed fan and put it inside the shroud right up against the radiator and have it come on high speed when the ac is on. I think mine is the windstar verision. That thing will cool it down plus some. I have this setup on my 64 SS Impala and it works great.
You can't even tell it's inside the shroud unless you really looking. Yes that is a C 10 shroud in the picture. 
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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08-13-2018, 11:52 PM
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#5 |
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Senior Member
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,209
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Re: Pusher Fan
Something I am going to do. Years ago I had a 88 1 ton Chevy with a big block 454. It had an engine driven fan and a pusher. The pusher turned on with the ac and if the temp got high enough it sounded like a hurricane under the hood when the clutch fan locked. That’s what got me thinking about the idea
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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08-13-2018, 11:59 PM
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#6 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,497
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Re: Pusher Fan
I think it's worth doing. In my post above I said I had twin pushers on the condenser, but I failed to mention I still have the engine-driven clutch fan. Just in case anyone wondered....
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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08-14-2018, 09:04 AM
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#7 |
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Registered User
Join Date: Jul 2018
Location: houston tx
Posts: 54
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Re: Pusher Fan
Andy4639 could you tell us the diameter of that fan? thanks
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08-14-2018, 01:48 PM
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#8 | |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Pusher Fan
Quote:
I'm at work but if my memory is right it's 18". I'll try and remember to measure it tonight.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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08-14-2018, 01:57 PM
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#9 |
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Registered User
Join Date: Apr 2010
Location: So Cal
Posts: 1,413
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Re: Pusher Fan
I have two pusher fans on mine. One is from a '89 Cad DeVille and is controlled by a 208* thermal switch. The other is from a '94 Cad DeVille and runs with the AC. It has extra protector bars that works to keep my fingers out of the fan when opening the hood. Engine fan is stock 4 blade.
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'67 GMC 2500, 292, 4spd, AC |
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