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Single pulley v double pulley question

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Old 11-09-2018, 01:32 AM
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Single pulley v double pulley question

Hi everyone.
I have a 1970 F100 with the 302 and c4 with power steering. The 302 currently has the single pulley, 1 belt set up. I'd like to convert to the double pulley, 2 belt set up.
To do this, besides replacing the crank and waterpump pulleys, what else would I need to do? It appears that I can move power steering and alternator pulley in or out on their respective shafts to get proper belt alignment.
Is that it, or am I missing something?
Thanks!
 

Last edited by Ghill70; 11-09-2018 at 08:14 AM. Reason: Need to add to my question
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Old 11-11-2018, 02:49 AM
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Maybe "UltraRanger or "Number Dummy" can help out here, they both have this info. Hang on for a bit, they'll get to ya. By the way do you have AC on your truck?
 
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Old 11-11-2018, 09:37 AM
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Originally Posted by GaryKip View Post
Maybe "UltraRanger or "Number Dummy" can help out here, they both have this info. Hang on for a bit, they'll get to ya. By the way do you have AC on your truck?
OK. Thank you.
It does not have a/c.
 
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Old 11-11-2018, 01:41 PM
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Harmonic balancer contains a single sheave (groove) pulley. Ford offered single, double and triple sheave outer accessory pulleys that bolt to the balancer to add dual belt alternator, P/S, A/C
 
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Old 11-11-2018, 01:49 PM
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Originally Posted by NumberDummy View Post
Harmonic balancer contains a single sheave (groove) pulley. Ford offered single, double and triple sheave outer accessory pulleys that bolt to the balancer to add dual belt alternator, P/S, A/C
Thank you!
 


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