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Old 08-29-2018, 05:12 PM   #1
parish8

 
Drives: 17 SS a8
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I feel like I accomplished something, both npp valves folded over.

My dual mode exhaust hasn’t worked for awhile, I decided to look into it. Both valves are folded over. I wonder what kind of exhaust pressure and heat it takes to do that. Maybe I had a back fire I don’t remember.
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472
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Old 08-29-2018, 09:40 PM   #2
KingLT1


 
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Wow....I'd say it's time for a different exhaust. Lol
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Old 08-29-2018, 09:42 PM   #3
laynlo15
 
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Huh, guess I should look at mine, I've had my fuse pulled since it had 500 miles on it.
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Old 08-29-2018, 10:21 PM   #4
Ryephile
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Quote:
760 rwhp
Maybe you've found the functional limit of the stock NPP?
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Old 08-30-2018, 05:47 AM   #5
parish8

 
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Quote:
Originally Posted by Ryephile View Post
Maybe you've found the functional limit of the stock NPP?
Last time I was on the dyno I saw 997 hp. I tired to bend them strait and they are pretty tuff. I must have had a back fire that did this.
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472
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