Acceleronics Versafueler w/ 96# Injectors question?
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Originally Posted by cablebandit
mine idle fine except when coolant temps are under 100 degrees...i am sure its my tune though as i am open loop/speed density. otherwise, they idle and run fine.
Table A0008 will fix that problem quickly.
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JM not to say you shouln't use the box and the 96'ers, but the black car has the RC 72 or what ever they work out to be like 85 lbers with out higher FP and it has been running extreamly rich and has still made the 880 on the slipping clutch and not a Fuel injector issue limiting me to more if I need it. I don't think the APS kit is going to get you past that mark just looking at the air flow the tubo's put out and it is a simple plug and play and no chance for a box to giv eyou any kind of tunning issues although that is JMO. I am sure you will be fine either way I just like not having to wire up another electronic device in a car I have a million in already LOL!
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Originally Posted by onfire
Table A0008 will fix that problem quickly. ![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
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I almost went 72 or even 83# injectors. Here was my reasoning for the 96#ers.
With 2 walbros, i will be close on my 1000rwhp goal as far as fuel pump capability. With high pressures needed to push 60# etc injectors, the flow capacity goes down in the walbros. With the 96# injectors i can run lower fuel pressures which let my walbros flow more than they would at extremely high pressures.
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Originally Posted by cablebandit
I almost went 72 or even 83# injectors. Here was my reasoning for the 96#ers.
With 2 walbros, i will be close on my 1000rwhp goal as far as fuel pump capability. With high pressures needed to push 60# etc injectors, the flow capacity goes down in the walbros. With the 96# injectors i can run lower fuel pressures which let my walbros flow more than they would at extremely high pressures.
I have heard that before somewhere.
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#28
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Originally Posted by cablebandit
tried that a long time ago....change the min pw to even lower and added timing at idle and its MUCH better ![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
I almost went 72 or even 83# injectors. Here was my reasoning for the 96#ers.
With 2 walbros, i will be close on my 1000rwhp goal as far as fuel pump capability. With high pressures needed to push 60# etc injectors, the flow capacity goes down in the walbros. With the 96# injectors i can run lower fuel pressures which let my walbros flow more than they would at extremely high pressures.
![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
I almost went 72 or even 83# injectors. Here was my reasoning for the 96#ers.
With 2 walbros, i will be close on my 1000rwhp goal as far as fuel pump capability. With high pressures needed to push 60# etc injectors, the flow capacity goes down in the walbros. With the 96# injectors i can run lower fuel pressures which let my walbros flow more than they would at extremely high pressures.
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i am not worried about pump failure....just pump flow. The more pressure they push, the less they flow. Look here at these tests:
http://www.stealth316.com/2-fuelpumpguide.htm
At 40 psi base fp...20 psi boost you are looking at about 376 lph flow from dual walbros
At 60 psi base fp...20 psi boost you are looking at about 284 lph flow from dual walbros
That is a significant difference in my mind. I am not saying this is the right/only way....just why I went the 96#/box path. Hopefully the info will be useful to some
http://www.stealth316.com/2-fuelpumpguide.htm
At 40 psi base fp...20 psi boost you are looking at about 376 lph flow from dual walbros
At 60 psi base fp...20 psi boost you are looking at about 284 lph flow from dual walbros
That is a significant difference in my mind. I am not saying this is the right/only way....just why I went the 96#/box path. Hopefully the info will be useful to some
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Slowhawk help me set mine up recently and my car idles and drives fine and it's only a 347. I had one proble which was a off idle hesitation-i did a VE tune and MAF calibration and it's gone-I'm going to swap over to a SD 2 bar setup cause the car drove around like silk with the MAF disabled. I went with the FJO driver box-the nice thing about this box is if i decide to go back to a hi-impedance injector it automaticaly knows it and goes into a saturation mode.
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i did not know FJO made a box as well. Acceleronics box will run hi impedance as well. I got the acceleronics instead of the cheaper priced AEM because it was much smaller than the aem. I dont think there is a lot to these boxes anway. SD is awesome for the turbo once you have your boosted ve map done....5 psi its tuned...8 its tuned...15.5...its tuned
I went out and did 5-10psi tuning yesterday so my wife can drive it at the track. Once you get 2-3psi worth of cells done, you definitely see a pattern that will get you in the ball park for the rest of the tuning.
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The Acceleronics was my first choice but I decided to try the local boys since FJO is up here in Canada. Slowhawk was right all along-last night when I disabled the MAF I couldn't beleive how crisp the throttle response was-Don you where right again-its the way to go.
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I just upgraded to 96s from 83s this afternoon (also running an Acceleronic's box) on my 402. It literally took me 5 minutes to get the idle afr dialed in @ 14.5:1, 900 rpm idle, OLSD. I was @ 16.5:1 afr on my 1st startup with the 96s. The 96s generate a little rougher idle with a 1.5 ms pulse width versus the 83s pw of 1.9-2.0 ms (both were with 40 psi fuel pressure).
For a larger than stock displacement motor (364+), I think 96s will be no problem.
For a larger than stock displacement motor (364+), I think 96s will be no problem.
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Originally Posted by ozws6
I just upgraded to 96s from 83s this afternoon (also running an Acceleronic's box) on my 402. It literally took me 5 minutes to get the idle afr dialed in @ 14.5:1, 900 rpm idle, OLSD. I was @ 16.5:1 afr on my 1st startup with the 96s. The 96s generate a little rougher idle with a 1.5 ms pulse width versus the 83s pw of 1.9-2.0 ms (both were with 40 psi fuel pressure).
For a larger than stock displacement motor (364+), I think 96s will be no problem.
For a larger than stock displacement motor (364+), I think 96s will be no problem.
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I allready bought it Jeff. My magnafuel 4303 will handle pretty much anything I thorw at it. I bought it for room to grow. My fuel consumption factor on my car is an animal. The 4l80 and 9 inch take the toll. If I dont like it no big deal Ill sell them to my buddy with the 88mm turbo
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Last edited by JMBLOWNWS6; 07-08-2007 at 02:30 PM.
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Originally Posted by JMBLOWNWS6
I allready bought it Jeff. My magnafuel 4303 will handle pretty much anything I thorw at it. I bought it for room to grow. My fuel consumption factor on my car is an animal. The 4l80 and 9 inch take the toll. If I dont like it no big deal Ill sell them to my buddy with the 88mm turbo ![Winky](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_wink.gif)
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