Nissan 370Z Forum  

AFR idel problem

whats your AFR at cruise speeds and at WOT? Are they dead on?

Go Back   Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Forced Induction


Like Tree5Likes

Reply
 
LinkBack Thread Tools Display Modes
Old 06-20-2014, 01:53 PM   #16 (permalink)
Track Member
 
EVOHUNTER's Avatar
 
Join Date: Jul 2011
Location: Edmonton, Canada
Posts: 681
Drives: BOOSTED3-7-0
Rep Power: 14
EVOHUNTER is a jewel in the roughEVOHUNTER is a jewel in the roughEVOHUNTER is a jewel in the roughEVOHUNTER is a jewel in the rough
Default

whats your AFR at cruise speeds and at WOT? Are they dead on?
__________________
EVOHUNTER is offline   Reply With Quote
Old 06-22-2014, 02:48 AM   #17 (permalink)
Track Member
 
zuperman 370's Avatar
 
Join Date: Dec 2009
Location: BAHRAIN
Posts: 944
Drives: 370z 2010 at blue
Rep Power: 16
zuperman 370 is a jewel in the roughzuperman 370 is a jewel in the roughzuperman 370 is a jewel in the rough
Default

thank you to everyone who chimed in with various things to look out for, after opening this thread i decided to pull the trigger and ship the car to a tuner to take a look at it, and the finding he found were shocking, first of all the AFR were crazy and car cutting off at idel was due to the fuel trims in the previous tune to be messed up also noted slight knocking at normal driving which has been addressed and the drivability issues as well ( slow response, lazy hesitant shifting, jumpy rpm) everything that can go wrong with the car basically, also changed my pully to 92mm from 96mm on a stage 2 sc so should be more fun, and got a uprev back fire map, iv invested so much on this build and used only the best of the best parts and i was pissed that the outcome was crap basically iv hated to drive the car for the past year and a half leading to abandoning it and being parked for months not being driven, i hope this new tune rekindles my love for my z and get to enjoy is as much as before if not more iv had a sc on my car for the past year and havent even enjoyed or felt it and what kills me is that i read many posts of guys here with similar setup if not less than mine and they are raving about how the cars preform and i havent even felt any joy or even power, wish me luck guys that tune goes well and ill keep you all posted for sure.
zefaulter likes this.
zuperman 370 is offline   Reply With Quote
Old 06-22-2014, 07:24 AM   #18 (permalink)
Enthusiast Member
 
VSS370z's Avatar
 
Join Date: Apr 2012
Location: Puerto Rico
Posts: 380
Drives: 09 Nissan 370z CY M6
Rep Power: 12
VSS370z has a spectacular aura aboutVSS370z has a spectacular aura aboutVSS370z has a spectacular aura about
Default

Good luck and hope everything goes well!
VSS370z is offline   Reply With Quote
Old 06-22-2014, 02:31 PM   #19 (permalink)
Track Member
 
zuperman 370's Avatar
 
Join Date: Dec 2009
Location: BAHRAIN
Posts: 944
Drives: 370z 2010 at blue
Rep Power: 16
zuperman 370 is a jewel in the roughzuperman 370 is a jewel in the roughzuperman 370 is a jewel in the rough
Default

Numbes are in guys 457 hp 334 tq on 8 psi on mustang dyno extreme hot humid weather and bad fuel overall pleased how much will this convert to on dyno jet?
Attached Images
File Type: jpg IMG-20140622-WA0013.jpg (85.8 KB, 5 views)
zuperman 370 is offline   Reply With Quote
Old 06-22-2014, 09:27 PM   #20 (permalink)
A True Z Fanatic
 
Jordo!'s Avatar
 
Join Date: May 2010
Location: nirvana
Posts: 6,394
Drives: 2023 NATM
Rep Power: 417
Jordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond repute
Default

Quote:
Originally Posted by zuperman 370 View Post
Numbes are in guys 457 hp 334 tq on 8 psi on mustang dyno extreme hot humid weather and bad fuel overall pleased how much will this convert to on dyno jet?
Nice -- congrats and glad you got the problems sorted out

Any idea what a stock Z puts down on their dyno? It's hard to compare and contrast between mustang and dynojet...

If I know what a stock Z put down on their dyno, I can give you a good ball park estimate.
__________________
Enjoy it. Destroy it.
Jordo! is offline   Reply With Quote
Old 06-23-2014, 03:07 AM   #21 (permalink)
Track Member
 
zuperman 370's Avatar
 
Join Date: Dec 2009
Location: BAHRAIN
Posts: 944
Drives: 370z 2010 at blue
Rep Power: 16
zuperman 370 is a jewel in the roughzuperman 370 is a jewel in the roughzuperman 370 is a jewel in the rough
Default

Quote:
Originally Posted by Jordo! View Post
Nice -- congrats and glad you got the problems sorted out

Any idea what a stock Z puts down on their dyno? It's hard to compare and contrast between mustang and dynojet...

If I know what a stock Z put down on their dyno, I can give you a good ball park estimate.
ill have to ask my tuner that and get back to you on it, the thing is i did not do a before dyno with my old tune as my tuner was afraid to push the car at first cuz he detected knock and fuel trim problems when he initially checked the car
zuperman 370 is offline   Reply With Quote
Old 06-24-2014, 01:19 AM   #22 (permalink)
A True Z Fanatic
 
Jordo!'s Avatar
 
Join Date: May 2010
Location: nirvana
Posts: 6,394
Drives: 2023 NATM
Rep Power: 417
Jordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond reputeJordo! has a reputation beyond repute
Default

Quote:
Originally Posted by zuperman 370 View Post
ill have to ask my tuner that and get back to you on it, the thing is i did not do a before dyno with my old tune as my tuner was afraid to push the car at first cuz he detected knock and fuel trim problems when he initially checked the car
Understood.

I can still give a pretty reasonable estimate if I know what a typical stock Z puts down on their dyno -- I have data on around a dozen VQ37HR's on dynojets in both 4th and 5th gear, so I can calculate the approximate % difference between A and B and give you a close estimate.
__________________
Enjoy it. Destroy it.
Jordo! is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Big Problem symple84 Audio & Video 23 07-13-2015 09:34 AM
problem Axelsc1 Nissan 370Z Warranty / Scheduled Maintenance / Servicing / Repairs 0 02-06-2012 08:37 AM
Idel and battery gauge low aalqaedi Engine & Drivetrain 2 05-30-2011 01:34 AM
New Roadster, Spoiler problem, dealer problem Hello Nissan 370Z General Discussions 26 01-11-2010 05:22 PM
does anyone else have this problem and what should I do? JakeZ34 Nissan 370Z General Discussions 4 10-08-2009 06:41 PM


All times are GMT -5. The time now is 12:00 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2