What's a better setup...One v belt or two? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

JAB'70 · 03-26-2009, 07:30 PM

I have an alignment problem, my alternator sits about 1/2 inch farther back than it should since I corrected the bracket issue I had causing a serious alignment problem (alternator sits on the drivers side).

??Now, I've came to the conclusion that this truck should have been running with two belts instead of one belt...

??All it takes is adding an upper belt between the alternator and water pump and lower belt between the crank and powersteering pump??

68gmsee · 03-26-2009, 07:33 PM

Got any pics? What engine you using?

Not sure what you mean that it needs two belts. Most of these trucks had only one belt. If another was used it was to assist in driving something else like power steering or A/C.

Sinister · 03-26-2009, 07:45 PM

I think he has power steering. I have 2 belts on my 350 with power steering. Alternator/fan belt and a belt off the crank that goes to the power steering pump. The belt for the alternator goes on the crank pulley, fan pulley to alternator. Hope this makes sense.

ChevLoRay · 03-26-2009, 07:51 PM

Fan and alternator is one belt. Power steering is another belt. A/C takes a third belt. If you are running the fan, the alternator and the power steering with one belt, you are a better man than me.

JAB'70 · 03-26-2009, 08:00 PM

Let me carify a little. Engine 350, with power steering, No A/C...When I bought it two years ago it was a mess. Only thing I didn't change was the belt alignment. One single belt around the whole kaboom. So, I should be running two belts with power steering? One belt from fan to alternator, the lower crank to power steering pulley, correct?

Andy4639 · 03-26-2009, 08:06 PM

Correct,
The belt running to the alternator should also go around the water pump and crank. It will be the closest to the motor then the power steering should be the closest to the fan. Or inner belt is alternator and outter is power steering.

Andy4639 · 03-27-2009, 09:20 AM

Here is my setup on the 71. I have A/C also so it has three belts but it will be the same.

03-26-2009, 07:30 PM	#1
JAB'70 Registered User Join Date: May 2007 Location: South Carolina Posts: 54	What's a better setup...One v belt or two? I have an alignment problem, my alternator sits about 1/2 inch farther back than it should since I corrected the bracket issue I had causing a serious alignment problem (alternator sits on the drivers side). ??Now, I've came to the conclusion that this truck should have been running with two belts instead of one belt... ??All it takes is adding an upper belt between the alternator and water pump and lower belt between the crank and powersteering pump??

03-26-2009, 07:33 PM	#2
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: What's a better setup...One v belt or two? Got any pics? What engine you using? Not sure what you mean that it needs two belts. Most of these trucks had only one belt. If another was used it was to assist in driving something else like power steering or A/C.

03-26-2009, 07:45 PM	#3
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: What's a better setup...One v belt or two? I think he has power steering. I have 2 belts on my 350 with power steering. Alternator/fan belt and a belt off the crank that goes to the power steering pump. The belt for the alternator goes on the crank pulley, fan pulley to alternator. Hope this makes sense. __________________ Beat it to fit, Paint it to match...

03-26-2009, 07:51 PM	#4
ChevLoRay Old Skool Club Join Date: Jun 2001 Location: Benton, AR "The Heart of Arkansas" Posts: 10,880	Re: What's a better setup...One v belt or two? Fan and alternator is one belt. Power steering is another belt. A/C takes a third belt. If you are running the fan, the alternator and the power steering with one belt, you are a better man than me. __________________ Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was.

03-26-2009, 08:00 PM	#5
JAB'70 Registered User Join Date: May 2007 Location: South Carolina Posts: 54	Re: What's a better setup...One v belt or two? Let me carify a little. Engine 350, with power steering, No A/C...When I bought it two years ago it was a mess. Only thing I didn't change was the belt alignment. One single belt around the whole kaboom. So, I should be running two belts with power steering? One belt from fan to alternator, the lower crank to power steering pulley, correct?

03-26-2009, 08:06 PM	#6
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Re: What's a better setup...One v belt or two? Correct, The belt running to the alternator should also go around the water pump and crank. It will be the closest to the motor then the power steering should be the closest to the fan. Or inner belt is alternator and outter is power steering. __________________ 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.

03-27-2009, 09:20 AM	#7
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Re: What's a better setup...One v belt or two? Here is my setup on the 71. I have A/C also so it has three belts but it will be the same. __________________ 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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