injectors and hacked mafs, how much.....

Information on the naturally-aspirated KA24E and KA24DE engines.
tony/ka24de
Posts: 257
Joined: Tue Jan 07, 2003 1:10 pm

Post

I just go a set of 370cc injectors off an sr20det. Two of the injectors need to be cleaned. Does anyone know the best way to clean this. I will be running 370s and hacked mafs. What diamiter should I make the tube? what would be the max boost that I should run on this kind of a setup? I have a walbo 255lph, and a fmu also. Do I still need to use a fmu with this setup? I am currently running 6-8psi on stock injectors,fmu,stock timming. I have had this setup for a while with no problems.


andrave
Posts: 3264
Joined: Mon Apr 07, 2003 10:00 am
Car: 1989 Nissan 240SX Coupe
Contact:

Post

1) sent them all in to RC.2) search its all there3) I would say you would max out around 250 hp but the boost it would require to get there is different from set up to setup.4) no, you use it instead of an fmu. If you have no problems why change now?

tony/ka24de
Posts: 257
Joined: Tue Jan 07, 2003 1:10 pm

Post

I want to up the boost to a steady 8psi to 9psi throught the whole rpm range. Right now it boosts 8psi from 2500-4000 and after that rpm the boost slowly keeps droping down to 6psi. I'm going to put a boost controler to try and stablize the boost and I want to make sure I have enough fuel. Besides I love trying out new things.

andrave
Posts: 3264
Joined: Mon Apr 07, 2003 10:00 am
Car: 1989 Nissan 240SX Coupe
Contact:

Post

what turbo

User avatar
Checkered-Member
Posts: 1593
Joined: Wed Sep 24, 2003 7:14 am
Car: 1998 Nissan Altima (modded)
2003 Audi A6 2.7T (stock)
Contact:

Post

andrave wrote:what turbo
it sounds like its a T3 from a Z32...

TrunkMonkey
Posts: 3190
Joined: Sun Aug 04, 2002 7:48 am
Car: 2000 Lincoln Navigator

Post

Checkered-Member wrote:it sounds like its a T3 from a Z32...
Z32s don't use T3s.

-demetrius

User avatar
hannibal
Posts: 9680
Joined: Wed Sep 11, 2002 2:38 am
Car: Red Line to Glenmont
Location: Washington DC

Post

THe theoritcal piping size for a hacked MAF is about 2.6". But this creates a slightly rich mixture. I think something closer to 2.75" gives a better A/F ratio.

tony/ka24de
Posts: 257
Joined: Tue Jan 07, 2003 1:10 pm

Post

yes, it's from a 86 300zx

daniel240
Posts: 1516
Joined: Mon Jan 20, 2003 7:37 pm
Car: cars/motocross
Contact:

Post

i have been running a 2.6'' id pipe for 2 months now with no problems. i think i found that a 2.75'' exhaust pipe has an id of 2.61''. thats what i have been using. it runs just a little rich w/ a 2.6''id but not much. i know people who run a 2.7'' id and said they ran a little lean at wot.

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

Post

tony/ka24de wrote:I want to up the boost to a steady 8psi to 9psi throught the whole rpm range. Right now it boosts 8psi from 2500-4000 and after that rpm the boost slowly keeps droping down to 6psi. I'm going to put a boost controler to try and stablize the boost and I want to make sure I have enough fuel. Besides I love trying out new things.


whats your fmu 8:1? i ran at 9psi with a to4b for months with no problems jsut base timing at 16 degrees with an 8:1 fmu and stock injectors. i would jsut stick with what you got since its working. the stock maf was maxing at at 9psi for me 5.1volts from what my safc said. if you want an extra maf to hack i have my stock one for sale


Return to “KA24E / KA24DE Forum”