Nissan 370Z Forum  

Will exhaust work require ECU work to avoid knock?

I've got HFCs (Berk) and Headers (Stillen, ceramic) inbound, planning to install those first. Wasn't planning to get the ECU tuned until after I'm done with all the bolt-ons (cat-back

Go Back   Nissan 370Z Forum > Tech Area > Engine & Drivetrain > Intake/Exhaust

Reply
 
LinkBack Thread Tools Display Modes
Old 03-17-2009, 02:29 PM   #1 (permalink)
A True Z Fanatic
 
wstar's Avatar
 
Join Date: Mar 2009
Location: Houston, TX
Posts: 4,018
Drives: too slow
Rep Power: 225
wstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond repute
Default Will exhaust work require ECU work to avoid knock?

I've got HFCs (Berk) and Headers (Stillen, ceramic) inbound, planning to install those first. Wasn't planning to get the ECU tuned until after I'm done with all the bolt-ons (cat-back and intake, depending on how those shake out - still waiting for more reviews and dynos on those).

I'm concerned about whether I'll be leaning it out too much during this interim period (HFC+Headers installed, but no other bolt-ons or ECU tuneup) and causing knock. Will the stock ECU adapt fine to it? (it will get its learning reset while the neg battery cable is off for the header install anyways) Should I run an octane additive in the interim to be safer (or would the stock ECU just compensate for that anyways)? Should I just keep from putting the engine under much stress until I get to the ECU?

Obviously, I'll want a dyno tune when I'm done, I'm just worried about knock and/or damage of any kind in the interim, as it may be a few weeks.
wstar is offline   Reply With Quote
Old 03-17-2009, 07:19 PM   #2 (permalink)
The370Z.com Sponsor
 
Kyle@STILLEN's Avatar
 
Join Date: Dec 2008
Location: Newport Beach
Posts: 626
Drives: Toyota Tundra
Rep Power: 302
Kyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond reputeKyle@STILLEN has a reputation beyond repute
Default

I do not think you will have any problems at all with detonation. In fact I would be flat-out amazed if you did.

With that being said, even if you do the knock sensor will retard the timing and protect the engine.

In my opinion, you won't have anything to worry about.
Kyle@STILLEN is offline   Reply With Quote
Old 03-17-2009, 08:34 PM   #3 (permalink)
A True Z Fanatic
 
wstar's Avatar
 
Join Date: Mar 2009
Location: Houston, TX
Posts: 4,018
Drives: too slow
Rep Power: 225
wstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond reputewstar has a reputation beyond repute
Default

Thanks for the reassurance Kyle It seemed that should be the case, but when it's your first major work on your brand new car with 1,200 miles on it that you love to death, it's easy to get paranoid.
wstar 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
Official The370Z.com Work Safe Pron ..... EEK! AK370Z Gentleman's Club 77 11-08-2010 09:52 PM
DDMotorsports: Work Wheels Confirmed 370Z Fitments!!! M.Bonanni Wheels & Tires 16 04-15-2009 03:24 PM
Knock on the VQ37VHR - gear heads step inside BerkTech Intake/Exhaust 39 04-13-2009 11:37 AM
10 Worst (and Weirdest) Work Stories of 2008 AK370Z The Lounge (Off Topic) 3 12-16-2008 02:17 AM
So, Two of My Friends Work for Nissan..... Slidefox Nissan 370Z General Discussions 7 11-18-2008 04:10 PM


All times are GMT -5. The time now is 08:13 PM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2