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07-21-2010, 05:04 PM
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#1 |
 Drives: c Join Date: Feb 2010
Location: c
Posts: 627
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L99 w/ Vortech starts slipping at 8PSI w/1 7/8" headers
Looks like the pulley starts slipping at around 8PSI. (530RWHP)
I've having to go with a cog pulley.. anyone else having similar issues? |
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07-21-2010, 05:38 PM
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#2 |
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How do you know its slipping ?
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07-21-2010, 05:43 PM
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#3 |
                 
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get the cog, it will sound much better
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Jannetty Racing JRE Street Package
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07-21-2010, 05:46 PM
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#4 |
Drives: Supercharged Join Date: Oct 2009
Location: Colorado Springs
Posts: 314
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Glad I could help ya out. Let me know what it ends up putting down.
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07-22-2010, 07:58 AM
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#5 | |
 
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,225
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Quote:
There are a few little tricks we learned along the way for set up with the tensioner, belt routing and belt choice. If you want a Cog set up I have them in stock. Ted.
__________________
www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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07-22-2010, 10:37 AM
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#6 |
Drives: Vortech 'Charged 06 Mustang GT Join Date: May 2009
Location: SoCal
Posts: 155
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There is almost zero chance of belt slippage on a 10-Rib pulley with proper belt tension and correct length supercharger belt...especially at the relatively low hp being referenced here. Our NMRA Renegade racers make over 1,000hp with an 8-Rib and don't have issues. Something else must be causing the problem. It sounds like you may have already received some assistance from R.M.C.R. or Jannetty, so I thank them for that. Keep up the great work guys. If you have any further questions, our tech/service department is just a quick phone call away.
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07-22-2010, 12:46 PM
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#7 |
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Drives: c Join Date: Feb 2010
Location: c
Posts: 627
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We think the belt was slipping because the boost wasn't going past 8 PSI and the car kept losing HP on each dyno run. Also couldn't get the belt on tight enough even with tensioner.
Mike w/ RMCR gave me a recommendations. Going to try the new config and post the new numbers. |
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07-22-2010, 12:47 PM
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#8 |
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Drives: c Join Date: Feb 2010
Location: c
Posts: 627
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my installer ordered a 3.33" offset pulley from vortech, waiting for it to come in
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