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Old 12-16-2017, 06:59 PM   #1
hou30guy

 
Drives: 2011 convertible 2ss/rs
Join Date: Sep 2015
Location: Houston
Posts: 971
408 maggie 10 rib belt slip?

Its belt slipping on the dyno at 16psi at 4800 rpm down to 8psi. Im assuming i didnt tighten the hd tensioner tight enough? That was told to me by the tuner. Im sure he tighten it but i haven't heard nothing beside that. Im sooooo nervous

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Old 12-17-2017, 12:49 AM   #2
toohighpsi
 
Drives: 2015 C7 Z06 M7
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What upper/lower pulley size are you using? Belt systems work perfect on these cars as long as the belt isn't too long. Since it sounds like you're probably running a smaller blower pulley so you might not have the right belt on there...
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Old 12-17-2017, 03:31 AM   #3
hou30guy

 
Drives: 2011 convertible 2ss/rs
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Quote:
Originally Posted by toohighpsi View Post
What upper/lower pulley size are you using? Belt systems work perfect on these cars as long as the belt isn't too long. Since it sounds like you're probably running a smaller blower pulley so you might not have the right belt on there...
2.9 upper and ati 6% od lower

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Old 12-17-2017, 03:34 AM   #4
hou30guy

 
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Belt number 10pk2425

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Old 12-17-2017, 03:39 AM   #5
hou30guy

 
Drives: 2011 convertible 2ss/rs
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Is there a belt chart for these maggies and or camaro

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Old 12-17-2017, 05:26 AM   #6
laynlo15
 
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So is the 2.9 about 73mm pulley
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Old 12-17-2017, 06:42 AM   #7
hou30guy

 
Drives: 2011 convertible 2ss/rs
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So is the 2.9 about 73mm pulley
Ok so do i have the right belt

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Old 12-17-2017, 06:44 AM   #8
hou30guy

 
Drives: 2011 convertible 2ss/rs
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I bought the supercharger set up used only thing different is my balancer is ati 6% od and his was innovative west which was 8 or 10% od. Everything else was the same

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