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Thread: Turbo spool tuning

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Posts: 21-30 of 31
2012-05-22 16:26:37
#21
Ben i like your style for the smooth operation. I also like the feel of progressive power increase and not sluggish, sluggish,sluggish,then tires give up. And i have T28, not Ashton's sucking machine.
2012-05-22 16:26:41
#22
Originally Posted by SGTSR20
I have a calum basic with SAFC piggyback.
The tune I have on the Ecu works good but i had a lot of lag running GTiR turbo and BC2 cams,
so what I did was richen the mixture to 13.1-13.5 from 1500-3000 rpms above 14% Throttle and it has made a lot of difference. With those adjustments the car feels much better daily driving around town. It feels a little better if I richin it a little more but I want to keep mpg low.


Now this is more on topic to what the OP was asking.
2012-05-22 16:30:12
#23
Originally Posted by BenFenner
Sure it can.


LMAO are you sure about that? If that was the case all the ricers in the world would be driving aroung busting shots and shooting out flames throughout the entire rpm range. I dont think this makes sense and I think it cannot be done dude! Anti-lag as I know it is used on the launch (at a stand still) to build boost and in between shifts to keep the turbo spooled so that when you get back on the gas the boost is there.
2012-05-22 16:31:39
#24
The same concepts of anti-lag at launch and anti-lag during shifts can build boost even when on the throttle. The problem is, you're building boost sure, but not creating any power with it. =/
2012-05-22 19:04:53
#25
Ok. The general purpose is to accelerate faster,so what is Your opinion on how to maximize torque while spooling?
2012-05-22 19:05:25
#26
Without resorting to nitrous, or additional turbos or superchargers and such, and just working with fuel and timing I say a "good" tune is the best you can do. That means smooth, good fueling transitions and smooth, good ignition timing aimed at max power production.

I don't consider 40 kPa (0.4-bar) of vacuum the beginning of the acceleration part of a tune. That is in the light throttle area. From 70 kPa (0.7-bar) and up is where I consider acceleration tuning to start. So between 70 kPa and 120 or 130 kPa (0.2 or 0.3 bar of boost) I like to see AFRs go from somewhere in the mid 13s to somewhere in the mid 12s regardless of rpm for the most part. Timing is going to be whatever makes you the most power (or slightly less) without detonation, as usual.
Last edited by BenFenner on 2012-05-22 at 19-13-50.
2012-05-22 19:14:52
#27
I have used the launch control and anti-lag on my AEM box and let me tell you, sitting still making 5psi of boost and blowing fireballs is cool as hell, however be prepared to run a nice billet wheel turbo because I have seen ceramic wheel turbos grenade in their housings doing this. Also, the boost off the line slowed me down because I just couldn't get it to hook up.

Brent
2012-05-22 19:23:59
#28
hey general question... i have a HCR setup thats detonating in the 5krpm region. Ive tried removing timing and adding fuel however it still detonates.

Is there any additional tuning method I can use to reduce the knock? Will adjusting ignition dwell at any time assist with cooling the combustion?
2012-05-22 19:27:12
#29
Originally Posted by coach
I have used the launch control and anti-lag on my AEM box and let me tell you, sitting still making 5psi of boost and blowing fireballs is cool as hell, however be prepared to run a nice billet wheel turbo because I have seen ceramic wheel turbos grenade in their housings doing this. Also, the boost off the line slowed me down because I just couldn't get it to hook up.

Brent


pssh 5psi thats it?? I was able to generate 15+psi in no time and thats with a large frame 60-1 turbo. The neighbors didnt like it though lol first time I did it they ran out with their phones in hand ready to call the cops talking bout gun shootout smh.
2012-05-22 19:44:02
#30
Originally Posted by blo0d
Is there any additional tuning method I can use to reduce the knock?
Not really, no. Unless you want to cut fuel or spark entirely.
When that happened to me I concluded it was a bad batch of gasoline or me filling up with the wrong octane by accident. (That's the best I could figure.)

Originally Posted by blo0d
Will adjusting ignition dwell at any time assist with cooling the combustion?
Absolutely not. Look up what ignition coil dwell is and you'll see why.
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