What's the best injector upgrade anyone's tried? I have a large flatspot in third so think its running lean so want to increase the fuel to air mix. Looking into what injectors to run alongside an afpr!
Thanks
Motty
Thanks
Motty
Injector upgrade
- Thread starter mottymicra
- Start date
Almera 1.5 injectors maybe?
OP
OP
Ideal but they have to be imported from Japan 
well im using almera QG15 injectors in mine, i picked up mine really cheap off ebay.
http://www.ebay.co.uk/itm/Nissan-Al...arts_Vehicles_CarParts_SM&hash=item4ab9e5a17f
http://www.ebay.co.uk/itm/Nissan-Al...arts_Vehicles_CarParts_SM&hash=item4ab9e5a17f
OP
OP
Awesome! Did you use the fuel rail aswell? Did it make much of a difference? Thanks for the link by the way
just to make sure is yours a facelift? and the fuel rail doesn't fit but the injectors swap into the standard micra rail, and yeah i noticed a difference
OP
OP
No mines a 1995 super s. ok is that easy enough? Awesome Thursday I shall order these puppies
oops sorry i thought you had a facelift dont think these will fit the pre facelift, your better asking someone thats done it before.
dont think these will fit the pre facelift, your better asking someone thats done it before.
OP
OP
Ahhh bugger that's annoying
that's annoying Yo Motty
If I got super s or sr then I will put ga15 airbox, ga15 injectors and ga15 throttle body. You will gain more performance. My mate who got Nissan primera ga16 so I am waiting for him to give his car to me hopefully.
Biggest injectors you can get is... 370cc injectors with custom fuel rail irrc. It's only for turbo Micras irrc
If I got super s or sr then I will put ga15 airbox, ga15 injectors and ga15 throttle body. You will gain more performance. My mate who got Nissan primera ga16 so I am waiting for him to give his car to me hopefully.
Biggest injectors you can get is... 370cc injectors with custom fuel rail irrc. It's only for turbo Micras irrc
OP
OP
I have the ga16 airbox, but the injectors and tb Are mega hard to get hold of and really expensive as you have to import them...iirc Chris just sold one?!
mottymicra said:
Yea, Chris sold his ga15 throttle body. There was ga15 injectors and ga15 throttle body on the eBay before. I missed it cos it was gone before.
Yea you can add ga15 parts on Micras cos they are directly fit irrc. I don't think ga16 injectors and tb won't fit on any Micras. All I know is ga15 parts only
OP
OP
Yeah I knew about ga15 parts fitting but was just wondering if any others fitted
OP
OP
Awesome that would be ideal
that would be ideal
OP
OP
Awesome! How do I go about removing injectors?
frank
Club Member
2 very tight crosshead screws in each one mate
mine has the CGA topfeed rail on btw, with the t/b turned 180 deg
Why on earth do you want to change injectors??
Stock ones can go to 110hp. There is ONLY one reason to EVER change injectors and that's for a turbo. For EVERY single other purpose the stock injectors are capable of doing the job.
This is a pet hate of mine. If you have a flat spot then the car needs setting up properly. Simply increasing fuel across every load point of the entire fuel map is NOT the way to do it.
Along with this is also changing throttle bodies - just cause they fit physically doesn't mean its a good idea.
Stock ones can go to 110hp. There is ONLY one reason to EVER change injectors and that's for a turbo. For EVERY single other purpose the stock injectors are capable of doing the job.
This is a pet hate of mine. If you have a flat spot then the car needs setting up properly. Simply increasing fuel across every load point of the entire fuel map is NOT the way to do it.
Along with this is also changing throttle bodies - just cause they fit physically doesn't mean its a good idea.
OP
OP
Awesome! Much ghetto modification required to do that?2 very tight crosshead screws in each one mate
mine has the CGA topfeed rail on btw, with the t/b turned 180 deg
frank
Club Member
i cut the mount off a mani, and had it welded on top motty, else the rail hits the idle control valve
and Ed has a point, mine overfueled bad @ low throttle and during starting with GA16 ones in, you need the extra fuel only on certain throttle positions (probably topend)
OP
OP
Franks car does not run stock ecu. You cannot just change injectors and expect stuff to work properly. Save some cash and get the car setup the right way
I was just trying to get all the parts together for when I do eventually get it remapped so its got a better shot first time around...if that's a stupid idea let me know I'm all ears and here to learn...
I run injectors from a 1.4 sunny motty
