Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

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Old Nov 8, 2011 | 03:18 PM
  #61  
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From: Oside, SoCal
We are also working on a 1/2 wave length header that had an integrated 5" round ceramic core cat. Applications will be for the 350Z, 350Z HR, and 370Z.
i like the sound of these from PPE
 
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Old Nov 8, 2011 | 04:35 PM
  #62  
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From: Owings Mills MD
Originally Posted by bluedevils95
Wow! I want to see this. This looks like it going to sound nice
I hope so we shall see I will take video before and after.

I got a quick retune for the cams the car on a mustang dyno went from 253hp/242tq to 280hp/253tq on 20's my before dyno was on 18's.

Did 2 runs untuned last week ran 13.7 on 20in wheels. I plan to hit the track this Friday to run tuned on the 20's to compare and then again next Friday with the LTHs. If I can run low 13's on my heavy 20's I'll be happy.

I've never went faster than 14.2 on these wheels. Finally on the 19th the 18's go on with the DRs to go for 12's n/a in a 5AT if I'm not already there.
 
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Old Nov 8, 2011 | 04:41 PM
  #63  
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^what cams you running? i'm actually having having JWT S2 cams installed right now
 
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Old Nov 8, 2011 | 06:41 PM
  #64  
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From: Owings Mills MD
Originally Posted by SDGenius
^what cams you running? i'm actually having having JWT S2 cams installed right now
S1 with HR valve buckets. The buckets reduce friction up to 25%. I didn't do springs. Also the idle is not lopey with the S1's sounds almost stock with a hint of lope.
 
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Old Nov 8, 2011 | 07:14 PM
  #65  
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Originally Posted by Dsskyline
I got a quick retune for the cams the car on a mustang dyno went from 253hp/242tq to 280hp/253tq on 20's my before dyno was on 18's.
Wow that's a huge bump in power from the cams. You have a dyno graph? Is RTTuning going to do the install and tuning for the LTH?
 
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Old Nov 8, 2011 | 08:08 PM
  #66  
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Originally Posted by Dsskyline
S1 with HR valve buckets. The buckets reduce friction up to 25%. I didn't do springs. Also the idle is not lopey with the S1's sounds almost stock with a hint of lope.
yeah, not doing springs either and going w/custom buckets
 
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Old Nov 8, 2011 | 09:34 PM
  #67  
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From: Owings Mills MD
Originally Posted by gabe3d
Wow that's a huge bump in power from the cams. You have a dyno graph? Is RTTuning going to do the install and tuning for the LTH?
Yes RT is doing the baseline and install of the LTs next week. I have my fingers crossed for SG like gains since they had nismo cams on their DE which are basically S1's.

I'll post up the dyno sheet in a minute. I got my retune for the cams at CIN so hopefully my baseline will be around 280-290 on a dynojet.
 
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Old Nov 8, 2011 | 09:35 PM
  #68  
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From: Owings Mills MD
Originally Posted by SDGenius
yeah, not doing springs either and going w/custom buckets
just get HR buckets they are DLC coated. http://www.nissan-global.com/EN/TECH...RVIEW/dlc.html
 
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Old Nov 8, 2011 | 10:07 PM
  #69  
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From: Owings Mills MD
here is my dyno before and after JWT S1 cams with HR valve lifters (buckets)

April 2011 before 253hp/243tq (gray)

baseline after cams untuned 264hp/242tq (blue)

tuned for cams 280hp/253tq on a 5AT by CIN (red)



dyno 1/4 mile in Feb on stock 18's


dyno 1/4 mile tuned for cams with heavy 20in wheels.


If you notice on the runs the 60ft are almost identical and really no low end loss of power. If I was on the stock wheels time would of been faster.
 

Last edited by Dsskyline; Nov 8, 2011 at 10:15 PM.
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Old Nov 8, 2011 | 10:14 PM
  #70  
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^Holy 60ft time! Nice!
 
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Old Nov 8, 2011 | 10:19 PM
  #71  
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From: Owings Mills MD
Originally Posted by Jairen
^Holy 60ft time! Nice!
wish I could do that at the track lol!!
 
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Old Nov 9, 2011 | 01:41 AM
  #72  
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did you have any type of tune when you 1st installed the cams? i'm tuned for every other mod, minus cams. wasn't gonna do cams for the lack of re-tune options(early '03) but i found out that Jim Wolf has the ability to tune the older ECU, JWT doesn't tune to the public but luckily i have a guy who's buddies w/Jim & the gang.
 
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Old Nov 9, 2011 | 04:54 AM
  #73  
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sick headers...dam your G takes off for a N/A
 
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Old Nov 9, 2011 | 05:11 AM
  #74  
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Good looking chart, i'm sure the PPE will perform very well. Keeping my fingers crossed for you. I'm interested to see what these LTH will do to your TQ. What mods do you have on your car BTW?

blaccG35, those are not actual runs at the track they are on the dyno. So hooking up with the ground (in this case the roller) is not really an issue hence the crazy awesome 60'.
 
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Old Nov 9, 2011 | 08:59 AM
  #75  
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From: Owings Mills MD
Originally Posted by SDGenius
did you have any type of tune when you 1st installed the cams? i'm tuned for every other mod, minus cams. wasn't gonna do cams for the lack of re-tune options(early '03) but i found out that Jim Wolf has the ability to tune the older ECU, JWT doesn't tune to the public but luckily i have a guy who's buddies w/Jim & the gang.
I was already tuned with Osiris. Lucky you are JWT installing the cams? I've been to their shop when I used to live in San Diego.
 
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