KA24DE N/A Timing Question - Nissan 240SX Forums
ECU Tuning Section For all ECU Tuning Questions & Tech.

 
LinkBack Thread Tools
post #1 of 6 Old 04-02-2014, 01:25 PM Thread Starter
 
Join Date: Sep 2013
Posts: 10
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Rep Power: 0
adamp9523 is on a distinguished road
Points: 472, Level: 9
Points: 472, Level: 9 Points: 472, Level: 9 Points: 472, Level: 9
Activity: 23%
Activity: 23% Activity: 23% Activity: 23%
(Thread Starter)
KA24DE N/A Timing Question

Ok guys I'm a noob here but I do have a little tuning experience from the GM platforms. I recently acquired a 240sx car that will be primarily used for racing. I bought a Nismotronic set up and am pleased with the ease of the software. First thing I did was use the setup feature in the software to get the distributor timing right. After doing that and reviewing the base tune I started tuning on the dyno. I noticed right away that the car felt sluggish and weak. After playing with the afr(new sensor) my sweet spot was 13:1 @ 28* of timing. The car made 112hp and 138 tq. Next step was to add a little timing and play with the fuel again. The car was unresponsive to additional timing and fuel so I went backwards looking for the hp. Found it @ 10* total timing with the afr @ 13:1 and the best pass of the day was 138hp and 152 tq. I feel like these numbers are low and the timing thing is throwing me off. The engine is stock and so is the manifold and air box. No headers just the stock manifold with a straight pipe out the side. My questions is what kinda timing you guys running? Does 10* total advance seem logical to the tuners here? Any input would be greatly appreciated and if you need more specific information please ask. Thanks guys

EDIT: Also posted a thread over here to see if maybe it's an engine problem?

Question about timing
adamp9523 is offline  
Sponsored Links
Advertisement
 
post #2 of 6 Old 04-02-2014, 07:26 PM
240-kid
 
Scoot's Avatar
 
Join Date: Jul 2003
Location: Hawai'i Nei
Age: 26
Posts: 47,018
Mentioned: 3 Post(s)
Tagged: 1 Thread(s)
Quoted: 229 Post(s)
Rep Power: 10000
Scoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthy
Points: 2,147,742,655, Level: 100
Points: 2,147,742,655, Level: 100 Points: 2,147,742,655, Level: 100 Points: 2,147,742,655, Level: 100
Activity: 20%
Activity: 20% Activity: 20% Activity: 20%
Was it a Base map or a stock map?
I have a Friends car tuned to 31* right now and it made quite the difference.
No wideband so I only leaned it out a few points knowing the factory tune is very rich.

On my personal motor I don't have an ECU so I'm just running Dist. Advance for now, but I didn't hook up the consult wires when doing the ECU plug so I can't tell what the total timing is. I'm going to say it's between 7-10* of added total timing which is what it sounds like your at. I've gotten knock and no Power going for more so I'm leaving it at that for now.

If the motor is weak then 112whp on Stock Timing sounds about right.
Most completely stock healthy ones are only in the 130whp range.

I have yet to power check mine but hopefully by summer I will have some numbers.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

The Forum Slut...
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Scoot is offline  
post #3 of 6 Old 04-02-2014, 09:21 PM Thread Starter
 
Join Date: Sep 2013
Posts: 10
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Rep Power: 0
adamp9523 is on a distinguished road
Points: 472, Level: 9
Points: 472, Level: 9 Points: 472, Level: 9 Points: 472, Level: 9
Activity: 23%
Activity: 23% Activity: 23% Activity: 23%
(Thread Starter)
Thanks for the reply. I am running a nismotronic base that has a total of 28* in the timing map. I raised and lowered the map and 10* made max hp. I am using the software to make timing changes and not the distributor. My afr was monitored and 13:1 seemed to be the best for what ever timing setting I was at. I am just confused, timing is very crucial in making good hp.
adamp9523 is offline  
 
post #4 of 6 Old 04-02-2014, 09:43 PM
240-kid
 
Scoot's Avatar
 
Join Date: Jul 2003
Location: Hawai'i Nei
Age: 26
Posts: 47,018
Mentioned: 3 Post(s)
Tagged: 1 Thread(s)
Quoted: 229 Post(s)
Rep Power: 10000
Scoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthyScoot The posts made by this user are trust worthy
Points: 2,147,742,655, Level: 100
Points: 2,147,742,655, Level: 100 Points: 2,147,742,655, Level: 100 Points: 2,147,742,655, Level: 100
Activity: 20%
Activity: 20% Activity: 20% Activity: 20%
Can you send me maybe a screen shot of the Nismotronic Base to see if it's a factory tune?
And yeah I'm also trying to get my hands on a Nismotronic.
A friend's that I have tuned to 31* Totals timing is on a NisTune.

13:1 AFR is about a standard for making best power N/A but I personally try to keep it around 12.8:1 just to be a tid bit safe.

Hopefully I can get around to hooking up those wires for the consult cable so I can read my base timing and come up with a total timing. And a map when my ECU comes in.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

The Forum Slut...
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Scoot is offline  
post #5 of 6 Old 04-03-2014, 10:27 AM
 
Matt Cramer's Avatar
 
Join Date: Sep 2006
Age: 38
Posts: 493
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Rep Power: 64425404
Matt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthyMatt Cramer The posts made by this user are trust worthy
Points: 644,253,974, Level: 100
Points: 644,253,974, Level: 100 Points: 644,253,974, Level: 100 Points: 644,253,974, Level: 100
Activity: 2%
Activity: 2% Activity: 2% Activity: 2%
Make sure the timing you see in the software lines up with what you see with a timing light, and adjust the distributor if it doesn't.

Otherwise - small bore, four valve heads just plain don't need as much timing as a small block Chevy. The flame front speed is faster and it's got a shorter way to go.

Matt Cramer

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Engine Management Systems

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Matt Cramer is offline  
post #6 of 6 Old 04-03-2014, 08:23 PM Thread Starter
 
Join Date: Sep 2013
Posts: 10
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Rep Power: 0
adamp9523 is on a distinguished road
Points: 472, Level: 9
Points: 472, Level: 9 Points: 472, Level: 9 Points: 472, Level: 9
Activity: 23%
Activity: 23% Activity: 23% Activity: 23%
(Thread Starter)
Update: Problem resolved. It was a bad cam sensor in the distributor causing the low timing reading.
adamp9523 is offline  
Sponsored Links
Advertisement
 
Reply

Bookmarks

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Nissan 240SX Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
KA24: KA24DE timing question jonas427 Beginnerís Forum 3 06-14-2012 12:31 AM
KA24DE timing question Emas20 KA24DE & KA24E 15 02-20-2012 11:19 PM
ka24de timing cone92 KA24DE & KA24E 12 11-25-2009 05:40 PM
1991 KA24DE Ignition Timing Question nissandude83 S13 240SX (89-94) 5 02-17-2009 10:13 PM
KA24DE timing chain question teampro687 KA24DE & KA24E 8 03-01-2004 07:03 PM

Posting Rules  
You may not post new threads
You may 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

 
For the best viewing experience please update your browser to Google Chrome