NITROUS OXIDE ( nos / n2o ) advice forum

Nitrous Oxide ( NOS / N20 ) Forum
 
It is currently Fri Jul 19, 2019 7:23 pm

All times are UTC




Post new topic Reply to topic  [ 2 posts ] 
Author Message
 Post subject: Nitrous Injection Question
PostPosted: Sat Nov 26, 2016 4:43 am 
Offline
Learner

Joined: Sat Aug 08, 2009 7:10 am
Posts: 59
Location: Colorado
I was talking with my engine builder - and he asked if we could inject the nitrous directly through the head. Yamaha cast passages in the head that were never drilled. The passages couldbe machined and go directly to the back of the outboard intake valve for each cylinder.

Is this a good idea to try? Could this deliver more liquid nitrous in the cylinder? Is it worth a try - or would I be better off using discharge tubes through the throttle bodies?


Attachments:
Screenshot_2016-11-25-21-13-13.png
Screenshot_2016-11-25-21-13-13.png [ 395.01 KiB | Viewed 2703 times ]
Top
 Profile  
Reply with quote  

Advertisement

Wizards of NOS Conact US
 Post subject: Re: Nitrous Injection Question
PostPosted: Sat Nov 26, 2016 2:52 pm 
Offline
Wizard
User avatar

Joined: Sat Mar 21, 2015 8:13 pm
Posts: 979
Location: Orlando, Fl in 'Merrrrica!
fj1289 wrote:
I was talking with my engine builder - and he asked if we could inject the nitrous directly through the head. Yamaha cast passages in the head that were never drilled. The passages couldbe machined and go directly to the back of the outboard intake valve for each cylinder.

Is this a good idea to try? Could this deliver more liquid nitrous in the cylinder? Is it worth a try - or would I be better off using discharge tubes through the throttle bodies?


That location would NOT be a good nitrous injection point because having the nitrous so close to the valves runs a high risk of reversion where the nitrous bounces off the valves and back out the induction system. It's better to use discharge tubes at the beginning of the runners because not only will they reduce the risk of reversion significantly, but also IMPROVE the airflow in the runner and ESPECIALLY improve the operation of a carb (if installed).


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 

All times are UTC


Who is online

Users browsing this forum: No registered users and 3 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

  • Advertisement
Wizards of NOS Sparkplugs
Search for:
Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group  
Design By Poker Bandits