Alternator relocation bracket? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Scott2.0 · 10-17-2020, 02:01 PM

I thought this would be easy to find but it’s either not or my Googling skills need help. I want to move my alternator to the drivers side so I can install my Vintage Air kit on the passenger side. I just need the alternator brackets to do so. I can’t seem to find the right one for my small block with long water pump. Any help would be much appreciated!

GoingDown8 · 10-17-2020, 02:16 PM

Summit has alot of options depending on what you need. The brackets you use will depend on the location, such as drivers side or passenger. As well as height, like drivers side low mount, high mount etc. There are so many options it can get little confusing. But mounting location also depends on other equipment like power steering pump or a/c. I just went through moving my alternator to the passenger side.
Posted via Mobile Device

**The Rocknrod** · 10-17-2020, 02:49 PM

Alan Grove Brackets. Small Block Long Pump - http://www.alangrovecomponents.com/S..._Long_Pump.htm
I believe I purchased the 133R - A.C., 232L - Alt. and the 600L Power Steering brackets. All for Short water pumps however.

LostMy65 · 10-17-2020, 04:24 PM

If you want stock, check with this guy:
https://www.aspenautoaz.com/

**cwcarpenter98** · 10-17-2020, 05:37 PM

Running the long water pump that you have might cause some issues in finding a bracket. I don't believe GM made a driver's side long water pump alternator bracket, but I could be wrong as the only experience with a long water pump that I have was removing one from the engine I bought to swap out with a short pump

AcampoDave · 10-17-2020, 06:48 PM

Quote:

Originally Posted by cwcarpenter98

Running the long water pump that you have might cause some issues in finding a bracket. I don't believe GM made a driver's side long water pump alternator bracket, but I could be wrong as the only experience with a long water pump that I have was removing one from the engine I bought to swap out with a short pump

Yep, now is the time to return it back to being a short pump motor as the A/C will require you to change pulleys anyway so as to add more grooves for the new belt.. (Long pump pulleys and short pump pulleys are not interchangeable.) The factory pivot for the alternator was on the front of the exhaust manifold with a slot bracket above and a support bracket below.

AcampoDave · 10-17-2020, 07:13 PM

This truck has the short pump, with A/C and power steering. I couldn't find a steel triple groove crank pulley but I did find an aluminum one on ebay. (The middle groove drives the A/C. )
The double groove water pump pulley was easy. They had a Mr. Gasket steel one at my local O'rieley's but I bought a genuine GM online instead. Notice on this motor my alternator top slotted bracket is a generic chrome one (bent to fit). It attaches to the water pump instead of the intake manifold like the stock truck I posted above. This was because the tall valve covers impeded the arc of the alternator and I needed a bit more reach. The alternator fan is very close to rubbing it, but it just clears. Another thing I found is that the double groove pump pulleys have a smaller diameter than the single groove so the fan spins faster. It made mine really roar with a heavy duty fan clutch so I went to a standard one to slow it down a bit. I have not seen that it affected the operating temp of the motor or the A/C efficiency at all, but the roar is less.

AcampoDave · 10-17-2020, 07:17 PM

This last pic shows the lower support bracet for the alternator and how it mounts to the exhaust manifold pivot boss with a long bolt.

LT1 Burb · 10-18-2020, 09:52 AM

I have spent many hours and lots of cash on pulleys and brackets on both my car and truck. I forgot how much of a PIA it is to run headers with short water pump and og heads. I ended up using Alan Groves brackets on my car and they fit great. I think you have way more options with long water pump and I would stick with that, your options with short pump with headers are really just Alan Groves brackets.

**Captainfab** · 10-19-2020, 08:25 PM

All trucks '55-'72 came with a short water pump and the alternator on the drivers side. In 1973 GM went to the long water pump and moved the alternator to the passenger side. There was never a long water pump used with the alternator on the drivers side using factory brackets. I'm not sure if Alan Grove makes a bracket for the alternator on the drivers side with a long water pump.

Scott2.0 · 10-19-2020, 08:39 PM

Quote:

Originally Posted by Captainfab

All trucks '55-'72 came with a short water pump and the alternator on the drivers side. In 1973 GM went to the long water pump and moved the alternator to the passenger side. There was never a long water pump used with the alternator on the drivers side using factory brackets. I'm not sure if Alan Grove makes a bracket for the alternator on the drivers side with a long water pump.

That’s great info, thank you! I have a ‘61 but a later ZZ4 (actual year unknown). Makes sense why it’s been such a tough thing to find. I figured I’d move the alternator so I can put the Vintage AC on the passenger side to keep the hoses shorter but may be rethinking that.

Scott2.0 · 10-20-2020, 11:00 AM

I think I finally found it. Pricier than I had hoped though.

https://www.ebay.com/itm/Small-Block...C/383092328540

**The Rocknrod** · 10-20-2020, 11:44 AM

Quote:

Originally Posted by Scott2.0

I think I finally found it. Pricier than I had hoped though.

https://www.ebay.com/itm/Small-Block...C/383092328540

It was in the link I sent you a few days ago.

10-17-2020, 02:01 PM	#1
Scott2.0 Registered User Join Date: Feb 2015 Location: Scottsdale, AZ Posts: 57	Alternator relocation bracket? I thought this would be easy to find but it’s either not or my Googling skills need help. I want to move my alternator to the drivers side so I can install my Vintage Air kit on the passenger side. I just need the alternator brackets to do so. I can’t seem to find the right one for my small block with long water pump. Any help would be much appreciated!

10-17-2020, 02:16 PM	#2
GoingDown8 Registered User Join Date: Aug 2020 Location: Vacaville Ca Posts: 13	Re: Alternator relocation bracket? Summit has alot of options depending on what you need. The brackets you use will depend on the location, such as drivers side or passenger. As well as height, like drivers side low mount, high mount etc. There are so many options it can get little confusing. But mounting location also depends on other equipment like power steering pump or a/c. I just went through moving my alternator to the passenger side. Posted via Mobile Device

10-17-2020, 02:49 PM	#3
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Alternator relocation bracket? Alan Grove Brackets. Small Block Long Pump - http://www.alangrovecomponents.com/S..._Long_Pump.htm I believe I purchased the 133R - A.C., 232L - Alt. and the 600L Power Steering brackets. All for Short water pumps however. __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? Last edited by The Rocknrod; 10-17-2020 at 02:55 PM.

10-17-2020, 04:24 PM	#4
LostMy65 But Found Her 25yrs Later! Join Date: Oct 2010 Location: Oregon City, Oregon Posts: 10,530	Re: Alternator relocation bracket? If you want stock, check with this guy: https://www.aspenautoaz.com/ __________________ I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035

10-17-2020, 05:37 PM	#5
cwcarpenter98 Senior Member Join Date: Jan 2018 Location: Hickory Flat, GA Posts: 4,488	Re: Alternator relocation bracket? Running the long water pump that you have might cause some issues in finding a bracket. I don't believe GM made a driver's side long water pump alternator bracket, but I could be wrong as the only experience with a long water pump that I have was removing one from the engine I bought to swap out with a short pump __________________ Christian Carpenter 1963 C10 - Frankentruck 283, Muncie 3 speed with overdrive Overdrive wiring here 1963-ish truck bed trailer - Half-Wit 1981 C10 - Penny 305, th350 --> Soon to be 350, Saginaw 4 speed 1995 Dodge Dakota Sport "I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson

10-17-2020, 07:13 PM	#7
AcampoDave Registered User Join Date: Feb 2013 Location: central California Posts: 2,774	Re: Alternator relocation bracket? This truck has the short pump, with A/C and power steering. I couldn't find a steel triple groove crank pulley but I did find an aluminum one on ebay. (The middle groove drives the A/C. ) The double groove water pump pulley was easy. They had a Mr. Gasket steel one at my local O'rieley's but I bought a genuine GM online instead. Notice on this motor my alternator top slotted bracket is a generic chrome one (bent to fit). It attaches to the water pump instead of the intake manifold like the stock truck I posted above. This was because the tall valve covers impeded the arc of the alternator and I needed a bit more reach. The alternator fan is very close to rubbing it, but it just clears. Another thing I found is that the double groove pump pulleys have a smaller diameter than the single groove so the fan spins faster. It made mine really roar with a heavy duty fan clutch so I went to a standard one to slow it down a bit. I have not seen that it affected the operating temp of the motor or the A/C efficiency at all, but the roar is less. Attached Images

10-17-2020, 07:17 PM	#8
AcampoDave Registered User Join Date: Feb 2013 Location: central California Posts: 2,774	Re: Alternator relocation bracket? This last pic shows the lower support bracet for the alternator and how it mounts to the exhaust manifold pivot boss with a long bolt. Attached Images

10-18-2020, 09:52 AM	#9
LT1 Burb Registered User Join Date: Sep 2010 Location: Winchester Oregon, formerly Vancouver BC Posts: 2,949	Re: Alternator relocation bracket? I have spent many hours and lots of cash on pulleys and brackets on both my car and truck. I forgot how much of a PIA it is to run headers with short water pump and og heads. I ended up using Alan Groves brackets on my car and they fit great. I think you have way more options with long water pump and I would stick with that, your options with short pump with headers are really just Alan Groves brackets. Attached Images

10-19-2020, 08:25 PM	#10
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,252	Re: Alternator relocation bracket? All trucks '55-'72 came with a short water pump and the alternator on the drivers side. In 1973 GM went to the long water pump and moved the alternator to the passenger side. There was never a long water pump used with the alternator on the drivers side using factory brackets. I'm not sure if Alan Grove makes a bracket for the alternator on the drivers side with a long water pump. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE

10-20-2020, 11:00 AM	#12
Scott2.0 Registered User Join Date: Feb 2015 Location: Scottsdale, AZ Posts: 57	Re: Alternator relocation bracket? I think I finally found it. Pricier than I had hoped though. https://www.ebay.com/itm/Small-Block...C/383092328540

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