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Recommendations for "how tight" the Procharger belt should be?

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Old 10-22-2018, 03:35 PM
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C5-VERT
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Default Recommendations for "how tight" the Procharger belt should be?

It's pretty tight but I didn't see anywhere in the documentation of how to set the correct tension of the Procharger F1A-94 belt. I upgraded to the Green HD belt same size and just planned on seeing if I have belt slip and go from there. But if anyone has some input that would be greatly appreciated!
Old 12-01-2018, 09:02 PM
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tiborrules
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Contact procharger, I'm sure they would help out on this.
Old 12-01-2018, 10:03 PM
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Originally Posted by C5-VERT
It's pretty tight but I didn't see anywhere in the documentation of how to set the correct tension of the Procharger F1A-94 belt. I upgraded to the Green HD belt same size and just planned on seeing if I have belt slip and go from there. But if anyone has some input that would be greatly appreciated!
How much belt deflection are you seeing when you press on the belt?
Old 01-02-2019, 11:34 PM
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e4life82
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Originally Posted by FYREANT


How much belt deflection are you seeing when you press on the belt?
How much belt deflection should there be? Just put my Procharger on this past week and I think I’m getting belt slippage when going WOT because I smell that rotten egg smell. I’m gonna throw a mechanical boost gauge on it tomorrow hopefully though and see what it’s really doing
Old 01-02-2019, 11:46 PM
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Originally Posted by e4life82


How much belt deflection should there be? Just put my Procharger on this past week and I think I’m getting belt slippage when going WOT because I smell that rotten egg smell. I’m gonna throw a mechanical boost gauge on it tomorrow hopefully though and see what it’s really doing
Rotten egg smell is likely burning clutch. Is it an M7? I would say 1” belt deflection at most.
Old 01-03-2019, 12:02 AM
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Originally Posted by FYREANT


Rotten egg smell is likely burning clutch. Is it an M7? I would say 1” belt deflection at most.
No I have an A8.
Old 01-03-2019, 12:11 AM
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Originally Posted by e4life82


No I have an A8.
Well then it ain’t a clutch smell haha. How much deflection do you have?
Old 01-03-2019, 12:14 AM
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Originally Posted by FYREANT


Well then it ain’t a clutch smell haha. How much deflection do you have?
I’ll have to check when I get home, I do have a gates belt tension checker just don’t remember how to use it lol
Old 01-03-2019, 02:54 PM
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Well I did have belt slip up top. Chris Crawford was able to point it out in my HP Tuner logs + it shows on Holley system as well. I tightened it pretty dang good the second time (didn't want to overdo it the first) and it's been solid as a rock for a month plus now! So all good!
Old 01-03-2019, 03:02 PM
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Originally Posted by C5-VERT
Well I did have belt slip up top. Chris Crawford was able to point it out in my HP Tuner logs + it shows on Holley system as well. I tightened it pretty dang good the second time (didn't want to overdo it the first) and it's been solid as a rock for a month plus now! So all good!

aren’t you afraid of hurting the bearings? Since it will he tightened for long time
Old 01-07-2019, 06:48 PM
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Not at all, this was done per ProCharger recommendations. My F1A-94 is a beefy unit it's not going to hurt those bearings where I have it now. That's the least of my worries :-).
Old 01-07-2019, 07:01 PM
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Ended up finding some info on how sufficient belt tension is discovered. Basically there is an old school way of determining the correct tension. You take the longest span of the drive belt and in the middle of the pulleys you grab the belt between your index and thumb and try to to twist it 90 degree if you are able to twist it 90 degrees or more the belt is NOT tight enough. If you’re barely able to twist it at all you’re way too tight. ProCharger’s marks on the tensioner mirror this test perfectly, at least in my case

Last edited by e4life82; 01-07-2019 at 07:01 PM.

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