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418ci LS3 dyno low??

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Old Apr 23, 2015 | 07:24 PM
  #61  
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LG delete pipes arrived today! Will get them on this weekend and hopefully hit the dyno sometime next week. If not, it will be the week after next

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Old Apr 24, 2015 | 12:18 AM
  #62  
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I would add a cut-out as well.
I bet there are decent gains from that alone.
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Old Apr 24, 2015 | 12:47 AM
  #63  
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Originally Posted by allmotor1
Will do. Im thinking im gonna do the exhaust and take the cats off. I want true duels. Whats a good true duel setup other then kooks. I want kooks but i dont want to spend 1600 on something that possibly wont unlock my power. I might take it to a dynojet and see what numbers i can pull from that.
I paid 1200 shipped for my kooks true duals without cats... it's not 1600 bucks if you know how to use a phone and put in some effort
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Old Apr 24, 2015 | 01:28 AM
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Originally Posted by Tuskyz28
I paid 1200 shipped for my kooks true duals without cats... it's not 1600 bucks if you know how to use a phone and put in some effort
where did you order yours from?
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Old Apr 24, 2015 | 07:07 AM
  #65  
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Who built the motor. Do u know if they honed with torque plates??
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Old Apr 24, 2015 | 10:14 AM
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Originally Posted by allmotor1
where did you order yours from?
Maryland speed...I paid 2000.00 for my Kooks 1 7/8 headers and True Duals.
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Old Apr 25, 2015 | 01:31 PM
  #67  
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Got the cats off the car today! Well not clogged but a restriction that needed fixed regardless. Will hit the dyno again soon....

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Old Apr 25, 2015 | 02:49 PM
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Originally Posted by SStheBest
Got the cats off the car today! Well not clogged but a restriction that needed fixed regardless. Will hit the dyno again soon....


Cant wait to see results hope you get the numbers your looking for. If this works i may follow suit
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Old Apr 28, 2015 | 02:54 PM
  #69  
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In for results
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Old Apr 29, 2015 | 07:55 AM
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How does the car feel with the delete pipes?
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Old May 1, 2015 | 09:33 PM
  #71  
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Hit the dyno today. I didn't reprint the graph because the torque reading was all jacked up. lol it read like I had 942tq. As expected since I saw my cats turned out NOT to be clogged. It gained 4hp up top, BUT in mid 3k rpms she picked up 16hp!!! Sooo all in all 489/486. Im happy. My tuner got her running much smoother than before. A cam my size, with my power and I can roll in 4th gear at 35-37mph and just as smooth as butter Decided not to port the intake. I mean I know Id see the 500 and probably not much over it. Not gona chase numbers. Car feels awesome!!! Saw 6th gear for a few minutes today around 75mph and she manages 23-25mpg. Ill take it!!!!

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Old May 1, 2015 | 10:48 PM
  #72  
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Originally Posted by SStheBest
Hit the dyno today. I didn't reprint the graph because the torque reading was all jacked up. lol it read like I had 942tq. As expected since I saw my cats turned out NOT to be clogged. It gained 4hp up top, BUT in mid 3k rpms she picked up 16hp!!! Sooo all in all 489/486. Im happy. My tuner got her running much smoother than before. A cam my size, with my power and I can roll in 4th gear at 35-37mph and just as smooth as butter Decided not to port the intake. I mean I know Id see the 500 and probably not much over it. Not gona chase numbers. Car feels awesome!!! Saw 6th gear for a few minutes today around 75mph and she manages 23-25mpg. Ill take it!!!!
wow they really made a difference down low
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Old May 1, 2015 | 11:26 PM
  #73  
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Good news. IMHO the extra tuning is probably the main portion of the increase in power with the removal of the CATS providing the rest of the increase.
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Old May 1, 2015 | 11:57 PM
  #74  
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Originally Posted by 1989GTA
Good news. IMHO the extra tuning is probably the main portion of the increase in power with the removal of the CATS providing the rest of the increase.
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Old May 2, 2015 | 01:12 PM
  #75  
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What octane gasoline are you using? Out here in California all we can get is 91 octane.
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Old May 2, 2015 | 01:20 PM
  #76  
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Originally Posted by 1989GTA
What octane gasoline are you using? Out here in California all we can get is 91 octane.
Thank goodness ive always been able to get 93
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Old May 2, 2015 | 03:01 PM
  #77  
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The reason I asked is that you can get a little more aggressive with the tune if you are using 93 octane.
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Old May 2, 2015 | 09:47 PM
  #78  
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i was looking at my y pipe today on my 418 setup and it looks like its actually smaller then my 3' magnaflow catback. if this is the case it must be the problem.........i hope
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Old May 2, 2015 | 11:45 PM
  #79  
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"if this is the case it must be the problem.."

I would say it is a problem.
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Old May 2, 2015 | 11:54 PM
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Originally Posted by 1989GTA
"if this is the case it must be the problem.."

I would say it is a problem.
what do you mean by that?
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