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Belt Tension
#2892635
02/24/21 11:40 AM
02/24/21 11:40 AM
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Joined: Jun 2005
Posts: 1,534 Florida
CHRGR69
OP
pro stock
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OP
pro stock
Joined: Jun 2005
Posts: 1,534
Florida
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440 dual belts with A/C. Obviously not a matched set of belts. How are you guys putting tension on the alt to tighten these belts? The crow bar/pry bar is just not cutting it.
Grandma always said I had "hands of gold"!
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Re: Belt Tension
[Re: stumpy]
#2892673
02/24/21 01:32 PM
02/24/21 01:32 PM
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Joined: Jun 2004
Posts: 3,380 St. Charles, MO
wingman
Uncreative Title
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Uncreative Title
Joined: Jun 2004
Posts: 3,380
St. Charles, MO
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If the twin belts are not a matched set--likely one is stretched/worn a little more than the other--you will likely never get there.
Here at work we have HVAC units that run 4 or more belts on sheave-style pulleys.. If one belt gets broken or damaged we always just replace all 4 as a set, because if you don't you'll never get them to tension evenly and then you will get slippage. If you are having to crank that hard to try to get them to tension, you are risking damaging other things (bearings) just to save a couple bucks on belts. Not worth it.
Also, make sure the pulleys are not glazed. Roughing them up with emery cloth can sometimes solve minor slipping problems.
1969 Dodge Coronet Super Bee 383 A4 1970 Plymouth Road Runner 440 FC7 (sold)
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Re: Belt Tension
[Re: stumpy]
#2892693
02/24/21 02:14 PM
02/24/21 02:14 PM
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Joined: Jun 2005
Posts: 1,534 Florida
CHRGR69
OP
pro stock
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OP
pro stock
Joined: Jun 2005
Posts: 1,534
Florida
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If the pry bar isn't getting them tight enough then get a matched set of belts From whom/where??
Grandma always said I had "hands of gold"!
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Re: Belt Tension
[Re: CHRGR69]
#2892777
02/24/21 05:30 PM
02/24/21 05:30 PM
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Joined: Jan 2003
Posts: 1,251 Slidell, LA
Ronnman
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,251
Slidell, LA
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440 dual belts with A/C. Obviously not a matched set of belts. How are you guys putting tension on the alt to tighten these belts? The crow bar/pry bar is just not cutting it. CHRGR69 - Also check the pulleys the make sure the sides where the belts ride, are straight and not dished or bowed. Ron
Last edited by Ronnman; 02/24/21 05:31 PM.
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