fomoco + mopar
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Joined: Sep 2014
Posts: 4,920
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From: Bothell & Silverdale, WA
Hmm. I don't see how you will compensate for belt stretch. Would be better of there was a tensioner in there somewhere. Also seems like quite a lateral load on that alternator bearing, but that's just me. Can you just run a single belt? Deeper coolant pump pulley?
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Mountain Pass
Joined: May 2017
Posts: 231
Likes: 11
farmer’s method
I don’t have a “lateral load” answer, but the alternator was cheap...I fabricated (jerry-rigged) the mount so that it pivots in two places so I can adjust both belts on two different axis, I dunno if you can tell from the pictures.
Senior User
Joined: Sep 2017
Posts: 111
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From: Eastern Shore, MD
That doesn’t look half bad for a first try. I think you can simplify if you can move the alt pivot to what looks like the original pivot mount on the block. I will give it a think and try to respond tomorrow. You look like you also have a welder. That will make improvements easier!
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Mountain Pass
Joined: May 2017
Posts: 231
Likes: 11
That doesn’t look half bad for a first try. I think you can simplify if you can move the alt pivot to what looks like the original pivot mount on the block. I will give it a think and try to respond tomorrow. You look like you also have a welder. That will make improvements easier!
I do have a gasless mig welder from ? by way of EBAY.
Believe me, what you see there is the third version, with several “improvements “
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Joined: Sep 2014
Posts: 4,920
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From: Bothell & Silverdale, WA
You are gaining knowledge in this process at the expense of having to reverse engineer.
Is there some reason you couldn't just use the upper left coolant pump bolt for the bitter end (second hole) of the alternator adjusting arm (as in the OEM installation)?
I'm sticking by my suggestion of a deeper coolant pump pulley and a single belt.
Very nice work and pictures.
Is there some reason you couldn't just use the upper left coolant pump bolt for the bitter end (second hole) of the alternator adjusting arm (as in the OEM installation)?
I'm sticking by my suggestion of a deeper coolant pump pulley and a single belt.
Very nice work and pictures.
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Mountain Pass
Joined: May 2017
Posts: 231
Likes: 11
thanks for the compliment, and “reverse engineering” kinda sums up my typical approach
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
The chrome thing had to be a certain height and adjustable to follow the different positions the alternator may have to move to get proper belt adjustment. A single belt would have been easier, but I liked the dual belt idea (for some reason, I thought that a long single belt would be more prone to stretch) plus the dual belt set up kept me from modifying those hard to find pulleys...!
thanks for the compliment, and “reverse engineering” kinda sums up my typical approach
thanks for the compliment, and “reverse engineering” kinda sums up my typical approach
