Honda Prelude Forum banner

21 - 26 of 26 Posts

·
Registered
Joined
·
4,110 Posts
be sure when your tunning this that you have the extra fuel running a dry shot...
typically on a turbo car a 50shot will boost whp by about 65plus whp gain even though your only using a 50hp gain shot....


also nitrous adds the same ammout of tq as well so expect a gain in spool nd mid range...


also the hotter the iats get the more nitrous will affect the power. so if thi is a street cycle set-up go easy on the timeing and fuel settings
 

·
"THE DOCTOR IS IN"
Joined
·
4,376 Posts
Discussion Starter #22
be sure when your tunning this that you have the extra fuel running a dry shot...
typically on a turbo car a 50shot will boost whp by about 65plus whp gain even though your only using a 50hp gain shot....


also nitrous adds the same ammout of tq as well so expect a gain in spool nd mid range...


also the hotter the iats get the more nitrous will affect the power. so if thi is a street cycle set-up go easy on the timeing and fuel settings
There you are!!! I was about to shout out, so you would appear lol. I will follow all your advices... I just wonder how much fuel should i need.... It wouldnt be good to be at 11.5 @ 17psi and then shot a 50 shot and go up to 16:1 lol... I will just continue to increment fuel as if i was getting proporcional psi's..
 

·
Registered
Joined
·
4,110 Posts
sorta....

think of nitrous as an instant hit of peak turbo efficiency.....
it is gonna add an instant hit of 50whp or more through the whole range...
you are gonna need to arm the ecu for the fuel and timing maps for that extra 50whp...



it is gonna be best too add the extra fuel and do a pull with the ecu armed but with the bottle turned off. this will allow you too make sure you got the extra fuel...start out rich and consirvitive....then turn the bottle on and make a pull...take away fuel and add timing as needed...check the plugs and egt temps as well for evenness...on 50shot the disburation will be fine but on bigger shot single nozzles this can be an issue....


basically nitrous on a dry shot is gonna require how ever much fuel you need for the complete package ie...550's/680's/100's all depends on the total power with the shot....

wet kits can stay with the current tuned injectors provided the fuel pump can keep up...
why are you thinking about dry and not just a simpler wet set-up?
you can still use an arm switch for the ecu with a wet kit and dial the a/f and timing in with a wet set-up just like dry...execpt the changes wont be a big
 

·
"THE DOCTOR IS IN"
Joined
·
4,376 Posts
Discussion Starter #24
sorta....

think of nitrous as an instant hit of peak turbo efficiency.....
it is gonna add an instant hit of 50whp or more through the whole range...
you are gonna need to arm the ecu for the fuel and timing maps for that extra 50whp...



it is gonna be best too add the extra fuel and do a pull with the ecu armed but with the bottle turned off. this will allow you too make sure you got the extra fuel...start out rich and consirvitive....then turn the bottle on and make a pull...take away fuel and add timing as needed...check the plugs and egt temps as well for evenness...on 50shot the disburation will be fine but on bigger shot single nozzles this can be an issue....


basically nitrous on a dry shot is gonna require how ever much fuel you need for the complete package ie...550's/680's/100's all depends on the total power with the shot....

wet kits can stay with the current tuned injectors provided the fuel pump can keep up...
why are you thinking about dry and not just a simpler wet set-up?
you can still use an arm switch for the ecu with a wet kit and dial the a/f and timing in with a wet set-up just like dry...execpt the changes wont be a big

Thanks for the explanation and advices.. I thought about dry, since by this point.. ive tuned every single honda setup out there and this particular car was tuned by me several times and each time it gets better. So, since im able to tune it with no problems i thought about not dealing with the troubles of installing the additional parts of the wet kit... Like i think the wet kit is more for those who cant tune it or whatever.. but in this case? since ive tuned multiple times and stuff.. why should i need a wet kit? (that are my thoughts, but of course i appreciate your interest).

So, Ive tuned one car (d16a9) with nitrous and was a wet kit... It was very much on spot... but i think i will not have any problems with this. I understand what you mean about armed but not shooting.... you mean, like to make neptune swith map to "emulate the spray" in teh datalog and see how rich i should be BEFORE the real shot is in right? YES, ill certainly do that.

Thanks man,
 

·
Registered
Joined
·
4,110 Posts
that was correct above....running dry is fine and does save on parts just wondering your reasoning.....like the wet kits are usually spot on...but if you dont mind tweaking the dry kit it will make just as much power and is good learning cause bigger shot cars make more power on dry cause the fuel disburtion is better with the injector vs a nozzle
 

·
"THE DOCTOR IS IN"
Joined
·
4,376 Posts
Discussion Starter #26
that was correct above....running dry is fine and does save on parts just wondering your reasoning.....like the wet kits are usually spot on...but if you dont mind tweaking the dry kit it will make just as much power and is good learning cause bigger shot cars make more power on dry cause the fuel disburtion is better with the injector vs a nozzle
Thanks for the input and advices brother.
 
21 - 26 of 26 Posts
Top