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FAN BELTS
Posted by: bobg1951chevy ()
Date: September 01, 2017 08:32PM

Which belt do you prefer, Clark's or Otto ?

Thanks.

Bob G., Hendersonville, NC

1951 Chevy Styleline Deluxe 2 door sedan. Purchased in 2000.

1969 Corvair 500 Coupe. # 2671. Purchased in 2017.

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Re: FAN BELTS
Posted by: American Mel ()
Date: September 01, 2017 08:48PM

There are as many opinions about belts, as there are members on this forum!
I have always used the Clark's, so I have no comparative values to share.
Sorry.

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Re: FAN BELTS
Posted by: bobg1951chevy ()
Date: September 01, 2017 09:14PM

American Mel Wrote:
-------------------------------------------------------
> There are as many opinions about belts, as there
> are members on this forum!
> I have always used the Clark's, so I have no
> comparative values to share.
> Sorry.

You like Clark's, so I say thanks.

Bob G., Hendersonville, NC

1951 Chevy Styleline Deluxe 2 door sedan. Purchased in 2000.

1969 Corvair 500 Coupe. # 2671. Purchased in 2017.

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Re: FAN BELTS
Posted by: Timothy Shortle ()
Date: September 01, 2017 09:38PM

For me fan belts are a non issue. The last fan belt that came off on me was while driving home from the 2008 convention in Ventura. I was in Flagstaff and my fan bearing came up allowing the belt to come off. I have driven many miles since then with out any belt issues.

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Re: FAN BELTS
Posted by: American Mel ()
Date: September 01, 2017 09:53PM

That is great Tim!
Mine last a long time also, because I tend to wear mine out rather than break or flip them.
But the question was, . . . . "Which do you prefer?

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Re: FAN BELTS
Posted by: RobertC ()
Date: September 01, 2017 10:17PM

Guess you are lazy.

If you used the Search function, you will find that the subject of fan belts has been beat to death.

Clark's / Otto's (is it not the same at this point?); Gate 3V560 (wrapped); Gates 3VX560 plus many others have been mentioned.

The most important issue is to monitor wear and replace it.

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Re: FAN BELTS
Posted by: bobg1951chevy ()
Date: September 01, 2017 10:51PM

I am lazy ?

I am asking now, after reading volumes of posts that go on and on, with

this brand and another.

My question is the preference between two belts ..... Clarks or Ottos.

Are they the same you ask?

I don't know ..... thus my question.

Bob G., Hendersonville, NC

1951 Chevy Styleline Deluxe 2 door sedan. Purchased in 2000.

1969 Corvair 500 Coupe. # 2671. Purchased in 2017.

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Re: FAN BELTS
Posted by: RobertC ()
Date: September 02, 2017 02:04AM

Wow, you read all that... and still cannot decide.

And, you notice people's enthusiasm for the subject by the posts you have received.

Unfortunately, I doubt people's opinions have changed.

The most important part of a Corvair fan belt is that it is 3/8" wide - sits down in the pulleys.

Most people like a wrapped belt - the original belt was wrapped.

There are some "Corvair" belts that are 7/16" wide - listed in the flap's parts books.

Corvair fan belts do not last as long as the fan belts for other cars of the era - the 90 degree bend.

I use an unwrapped belt (Gates 3VX560 - which may not last as long as a wrapped belt like Clark's, Otto, Gates 3V560.

If you use the Gates belts mentioned above, they are an industrial belt (not listed for Corvair) and you need to order them by the part number.

Other manufacturers make the same belt, I think.

If you ask for a Gates Corvair belt, you will get a different belt / part number.

The Clark's belt is speced by Clark's - and since the Otto belt still exists; I assume it is built to the specs that the original owner of Otto Parts used.

You need to carry a spare belt and the tools to change it.

If you are like me and do not pay attention, you need to throw out and replace a spare belt that gets hard / dried out.

I have not used a Clark's or Otto (well maybe 35 years ago - cannot remember), so I have no preference.

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Re: FAN BELTS
Posted by: Frank DuVal ()
Date: September 02, 2017 06:51AM

Very good synopsis, Robert.

Frank DuVal

Fredericksburg, VA

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Re: FAN BELTS
Posted by: rowin4 ()
Date: September 02, 2017 07:20AM

Well I'll be the first to say OTTO.been on 4 years still looks good, have a spare OTTO in the glove box. That's all bobg1951chevy asked for, not a bunch of $%^&*

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Re: FAN BELTS
Posted by: Wagon Master ()
Date: September 02, 2017 08:47AM

I have also run Clark's regular C5790 belt for that amount of time on 2 separate vehicles with no visible wear or performance issues, and that's no $%^&*.

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Re: FAN BELTS
Posted by: Brizo ()
Date: September 02, 2017 09:08AM

Well, not to complicate the issue, but I prefer the NAPA 25-6597 belt- especially with a PG trans. And its not just the years its been on that matters, it's the mileage traveled.

Dan Brizendine,
'64 8door Greenbrier 140 PG. "In beautiful Wanamaker Indiana...with one stop light and 5 pizza shops"

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Re: FAN BELTS
Posted by: bobg1951chevy ()
Date: September 02, 2017 09:11AM

rowin4 Wrote:
-------------------------------------------------------
> Well I'll be the first to say OTTO.been on 4 years
> still looks good, have a spare OTTO in the glove
> box. That's all bobg1951chevy asked for, not a
> bunch of $%^&*

Thanks Rowun4.

Bob G., Hendersonville, NC

1951 Chevy Styleline Deluxe 2 door sedan. Purchased in 2000.

1969 Corvair 500 Coupe. # 2671. Purchased in 2017.

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Re: FAN BELTS
Posted by: bobg1951chevy ()
Date: September 02, 2017 09:13AM

Wagon Master Wrote:
-------------------------------------------------------
> I have also run Clark's regular C5790 belt for
> that amount of time on 2 separate vehicles with no
> visible wear or performance issues, and that's no
> $%^&*.

Thanks, Wagon Master.

Bob G., Hendersonville, NC

1951 Chevy Styleline Deluxe 2 door sedan. Purchased in 2000.

1969 Corvair 500 Coupe. # 2671. Purchased in 2017.

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Re: FAN BELTS
Posted by: playerpage ()
Date: May 14, 2018 12:33PM

As long as I'm resurrecting this thread: how about a Gates 7470? Or a Master Pro 7470?

I just threw my belt which was a Gates 7560 and I'm looking to replace it. I drove about two miles at 20 miles an hour before I realized what was going on. I don't think I did any harm.

Also can somebody give me a rundown of the tools I'm going to need I'm pretty sure I just need a socket wrench, right?

Eric C. Player
Porterville, CA
- National Member, CORSA
- Member: Central Coast CORSA & South Coast CORSA
Former Member: Vintage CORSA Orange County. Member, ISA (Int. Screenwriter's Assn.), SAG Eligible, and Producer's Guild Aspirant


* Then: 1966 Corsa 180 Turbo, Red/1965 Monza 110 Purple/
1967 Monza 140 Red/1966 500 110 Black/1965 Monza 110 Yellow
* Now: 1966 Corsa 180 Turbo Project. Blue, Blue/Beige interior.



"Chevrolet's Corvair was a maverick machine, a rear-engined renegade born out of spite and genius." -- Sports Car Graphic, August 1969

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Re: FAN BELTS
Posted by: davemotohead ()
Date: May 14, 2018 12:37PM

Anything other than a 3V-560 is the wrong belt, 3/8 - 56.





Email me at: Dave Motohead

1960 4dr sedan caveman car
1961 Rampside (Chetside)
1962 Rampside (Barnside)
1962 Short Rampside (Shortside)
1962 Monza 700 Wagon
1963 Monza 900 coup (General Nader)

-----------------------------------
Rust Free Lancaster Ca

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Re: FAN BELTS
Posted by: Spectre ()
Date: May 14, 2018 12:39PM

You need a 9/16" wrenck for the idler pulley. A "bent" wrench works best. You also need a wrench (or socket) for the belt guide on the top shroud. I think it is 3/8", but I'm not sure off the top og my head.

David Clamp


1965 Corsa convertible - 140 4spd/3.55/AM-FM

2013 Mustang GT convertible - 5.0, 6spd auto, Procharger i-1

2003 Miata SE - 6spd manual (wife's toy)

"Victory is mine!" - SG

Oklahoma City, OK

Click for Oklahoma City, Oklahoma Forecast

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Re: FAN BELTS
Posted by: MattNall ()
Date: May 14, 2018 12:42PM

3/8" socket for Fan area guide

9/16" box for pivot bolt.

Adjuster bolt is a pain to get to most use a custom bent offset...like Distributor wrench.

Make sure to leave the belt loose....I mean LOOSE! you will be able to slip the Alt. pulley with one finger!





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: FAN BELTS
Posted by: playerpage ()
Date: May 14, 2018 01:06PM

Thanks guys. I will go back to the place I bought the current belts if the specs don't match, and I'll get the closest tools I can. Appreciated.

Eric C. Player
Porterville, CA
- National Member, CORSA
- Member: Central Coast CORSA & South Coast CORSA
Former Member: Vintage CORSA Orange County. Member, ISA (Int. Screenwriter's Assn.), SAG Eligible, and Producer's Guild Aspirant


* Then: 1966 Corsa 180 Turbo, Red/1965 Monza 110 Purple/
1967 Monza 140 Red/1966 500 110 Black/1965 Monza 110 Yellow
* Now: 1966 Corsa 180 Turbo Project. Blue, Blue/Beige interior.



"Chevrolet's Corvair was a maverick machine, a rear-engined renegade born out of spite and genius." -- Sports Car Graphic, August 1969

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Re: FAN BELTS
Posted by: stitch ()
Date: May 14, 2018 01:37PM

Clarks has a good wrench..C3773 ...CLARKS

"If you can't fix it with a Hammer, you have an Electrical problem."
Stitch...
Schertz, Texas.
(Smallish town/burg 17 mi. NE of San Antonio)

!967.. 4th body
8th off the line

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