A/C & heater motor - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Andy4639 · 02-10-2009, 08:49 PM

I bought this motor and squirrel cage out of a junk truck. I think it's a late 90's model. I thought it would fit in mine but it doesn't. I was going by some old post about a higher speed motor.
My ? is do you think I can take the cage off of this motor and use my cage with it to blow more air?
Is there a better way to gain the higher speeds to blow more air in the summer time. The heat is fine?

theyammieguy · 02-10-2009, 09:24 PM

If the shaft is the same size I dont see why not.
Might look at the current draw of that motor though. Not sure if the amps are more and if it would affect anything.

Andy4639 · 02-10-2009, 09:26 PM

The motor should be fine except for maybe on the slower speeds! I guess I need to check that out.

**leddzepp** · 02-10-2009, 09:42 PM

Check to make sure your recirculating vent door is open (on the kick panel, passenger side) when you are running your A/C. Mine was closed for 3 years before I figured it out....now TONS of air volume blowing! It made all the difference in the world.

Sammy · 02-10-2009, 09:53 PM

I had 4 or 5 67-71 fans on a shelf. There is about 3 sizes and styles. I noticed the ones that were A/C equip have a slightly larger diameter motor diameter. When I test them on the battery they run slightly faster too.

Andy4639 · 02-11-2009, 12:08 PM

eddzepp,
Are you talking about the one at your feet on passenger side of the cab?
If so that one I thought should be closed when the air is on. I just want more air blowing on me in the middle of summer. That would let outside air in without going through the evarperator. I think.

**leddzepp** · 02-11-2009, 12:37 PM

Quote:

Originally Posted by Andy4639

eddzepp,
Are you talking about the one at your feet on passenger side of the cab?
If so that one I thought should be closed when the air is on. I just want more air blowing on me in the middle of summer. That would let outside air in without going through the evarperator. I think.

Yes, the one at your feet on the pass side should be open when the A/C is on. This does not let in outside air...it is the recircuating vent. The one on the outside of the truck, under the cowl, passenger side should be shut when the A/C is on. This is the fresh air/outside vent. They should operate in reverse when the heater is on.

Do this, and you will be blown away by the increase in air volume. Amazing what happens when something operates properly! It took me years to figure this out. Finally got it with some board members help!

Andy4639 · 02-11-2009, 01:26 PM

That sounds good then I will have to make sure it's correclty working.

Andy4639 · 02-14-2009, 12:20 PM

I got the cage off the later motor. Now I have to get the one in the truck out and pull it apart to see if it will work.

02-10-2009, 08:49 PM	#1
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	A/C & heater motor I bought this motor and squirrel cage out of a junk truck. I think it's a late 90's model. I thought it would fit in mine but it doesn't. I was going by some old post about a higher speed motor. My ? is do you think I can take the cage off of this motor and use my cage with it to blow more air? Is there a better way to gain the higher speeds to blow more air in the summer time. The heat is fine? __________________ 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.

02-10-2009, 09:24 PM	#2
theyammieguy accepting donations Join Date: Oct 2008 Location: houston tx Posts: 521	Re: A/C & heater motor If the shaft is the same size I dont see why not. Might look at the current draw of that motor though. Not sure if the amps are more and if it would affect anything. __________________ 1999 Yamaha roadstar 1600 chop. (in progress.) See my builds here>http://s113.photobucket.com/albums/n238/nickrp_2006/ "Ya'll can go to hell, I'm going to Texas." David Crockett

02-10-2009, 09:26 PM	#3
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: A/C & heater motor The motor should be fine except for maybe on the slower speeds! I guess I need to check that out. __________________ 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.

02-10-2009, 09:42 PM	#4
leddzepp Moderator Join Date: May 2007 Location: Southern Cal Posts: 20,020	Re: A/C & heater motor Check to make sure your recirculating vent door is open (on the kick panel, passenger side) when you are running your A/C. Mine was closed for 3 years before I figured it out....now TONS of air volume blowing! It made all the difference in the world.

02-10-2009, 09:53 PM	#5
Sammy Registered User Join Date: Apr 2000 Location: Bonne Terre, Mo Posts: 3,005	Re: A/C & heater motor I had 4 or 5 67-71 fans on a shelf. There is about 3 sizes and styles. I noticed the ones that were A/C equip have a slightly larger diameter motor diameter. When I test them on the battery they run slightly faster too. __________________ '69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629"

02-11-2009, 12:08 PM	#6
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: A/C & heater motor eddzepp, Are you talking about the one at your feet on passenger side of the cab? If so that one I thought should be closed when the air is on. I just want more air blowing on me in the middle of summer. That would let outside air in without going through the evarperator. I think. __________________ 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.

02-11-2009, 01:26 PM	#8
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: A/C & heater motor That sounds good then I will have to make sure it's correclty working. __________________ 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.

02-14-2009, 12:20 PM	#9
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: A/C & heater motor I got the cage off the later motor. Now I have to get the one in the truck out and pull it apart to see if it will work. __________________ 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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