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06-21-2016, 12:32 PM
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#1 |
 
Drives: Black 2018 Camaro ZL1 auto Join Date: Nov 2012
Location: Atlanta GA
Posts: 282
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Mechanical or spring tensioner?
Hi all. Need some info from anyone that has gone this route. I have a slp supercharger, cam etc (see sig) and have belt slip. I am trying to decide if I should go with a JRE/ADM style or MTI racing tensioner. Any advice/experience is appreciated.
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2018 ZL1 A10 with PTB, ROTOFAB, Pulley and tune from
Vengeance. 607 rwhp/647 rwtq |
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06-21-2016, 05:11 PM
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#2 |
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One Slow Automatic
Drives: 2017 GS 2010 CAMARO SS Join Date: Mar 2010
Location: NC NJ NY DMV THE BAYAREA
Posts: 877
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I have a JRE but the Adm one has an additional pulley for more belt wrap on the crank pulley...
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650HP 2010 CAMARO SS 710HP 2017 GRAND SPORT
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06-22-2016, 09:51 AM
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#3 |
    Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013
Location: Montgomery, AL
Posts: 1,265
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A mechanical tensioner will require quite a bit more static tension on the belt to account for belt stretch under load, which will be much worse for your alt/PS/WP bearings than the increased tension from an upgraded spring tensioner. If you also have a long belt, especially a 6 rib, that may still not be enough static tension.
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06-24-2016, 02:26 AM
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#4 |
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Drives: it changes Join Date: Nov 2010
Location: Norn Iron
Posts: 1,128
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Good strong spring tensioner every time for the reasons above.
With mechanical, you need to overtighten the crap out of things just to account for the fact you have a mechanical tensioner that can never compensate once the belt starts to stretch further. |
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11-19-2016, 04:47 PM
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#5 |
 Drives: 1968 camaro Join Date: Aug 2013
Location: Crown point indiana
Posts: 60
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who makes the best heavy duty spring tensioner??
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