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Old 01-12-2017, 01:46 PM   #127
JANNETTYRACING
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Originally Posted by bpc View Post
Just a quick question around crank pulley upgrades, What effect installing a 5% over drive pulley and a bypass valve adjustment which increase boost by 1 to 1.5 psi on top on the 5% pulley MOD. will it need a tune and adding a CAI as well.
You have been mislead to believe that every car will pick up 1-1.5 psi boost by adjusting the bypass, that is simply not the case.

Stock pulleys make 8 psi boost at sea level.

If your bypass is out of adjustment you might only have 6.5 psi boost then you can get back to 8 psi boost by adjustment.

The 5% pulley make 1.5 psi over stock pulley or total of 9.5 psi.

No tuning is required if this is the only mod on 93 octane fuel.

You can refer to this thread for more detail. http://www.camaro5.com/forums/showth...=JRE+RWHP+TUNE

Ted.
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Old 02-15-2018, 09:27 PM   #128
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Ati is installed but without the 10% sc pulley. Now im trying to get the ac belt i got from the dealer on. Both types of installers do not work. Any suggestions ��?
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Old 02-16-2018, 07:32 AM   #129
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Ati is installed but without the 10% sc pulley. Now im trying to get the ac belt i got from the dealer on. Both types of installers do not work. Any suggestions ��?
Not sure what procedure your trying but is it pretty simple, the tool set on the balancer with the belt on top of it and you rotate the engine to walk the belt on.

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Old 03-05-2018, 08:11 PM   #130
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Do you still have the original balancer you may want to sell?
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Old 03-06-2018, 12:59 AM   #131
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Not sure what procedure your trying but is it pretty simple, the tool set on the balancer with the belt on top of it and you rotate the engine to walk the belt on.

Ted.
Thanks Ted. I ordered a stretch belt and it went on without a problem one Cuban cigar later. Hahahaha.

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Old 03-06-2018, 01:02 AM   #132
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Do you still have the original balancer you may want to sell?
Who me? If me yes I still have it. But it's at home In Louisiana. I'm in California working

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Old 03-07-2018, 05:16 PM   #133
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So with with no tune, what's a better package.

5% + CAI or 10% with stock airbox?

I've read some grounding issue with EPS and the CAI which has me leaning 10% only... other opinions?
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Old 03-08-2018, 08:45 AM   #134
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So with with no tune, what's a better package.

5% + CAI or 10% with stock airbox?

I've read some grounding issue with EPS and the CAI which has me leaning 10% only... other opinions?
Good Read here. http://www.camaro5.com/forums/showth...ht=Zl1+testing
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Old 03-09-2018, 01:28 PM   #135
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Yea I read thru that thanks. Looks like under ~4000 rpm there is barely any increase with the 5%
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Old Yesterday, 10:31 PM   #136
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I would like to say thank you for this great thread ahead of time!

Is grade B7 strong enough threaded rod for the install tool? The class 10.9 is only available in longer lengths then what is needed. It seems to me B7 is stronger the class 8.8 is that correct?
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