direct port help
Not only do you need a fuel guage, you will need a flow kit if you want to do it right. You need to set the pressure flowing instead of just dead-head setting it. Steve Johnson sells a kickass flow tool. It makes tunning so much easier.
Your fuel pressure depends on how dedicated is set up. The most common PSI is either 5.5 psi, 10psi or high pressure at 58psi. our fuel pressure will determine what jetting to use because they all use different jetting. In order to set your fuel pressure you need a fuel flow gauge, Nitrous Outlet has a nice one. When you order a fuel flow gauge be sure to order a few sets of spark plugs because you will go through several sets tuning.
I like to use EFI and a custom operating system to pull timing when the nitrous cuts on. I use the lingenfelter box on cars I cant use an EFI COS on.
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Not only do you need a fuel guage, you will need a flow kit if you want to do it right. You need to set Steve Johnson sells a kickass flow toolsetting it. Steve Johnson sells a kickass flow tool. It makes tunning so much easier.
why is it called square jetting?
im running a low pressure pump i believe if that helps
They say square when they are the same size just like when your carb is all the same.
I prefer a 8 spread, so that the fuel pressure is a little higher, and the fluctuations aren't as critical.
I also am a huge fan of an actual flow tool, and I check my stuff every time out.
There is no way I would ever trust one of those little cheap gauges when spraying.
I made my own tool and it works perfect, and is dead nuts accurate.
Good luck.
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I would start around 26/20 on 10psi. I do agree tho with some of the others. I would start with 150hp just to make sure the system is firing on all cylinders and that the tune up is not in left field. Just no reason to rush it and hurt a motor.
The LNC-002 is currently on a redesign. It should be out for sale fairly soon. It is IMO a much better part. Quality and the tech support is great from the guys at Lingenfelter.
I would run a fuel pressure gauge on the stand alone. It helps with getting your starting point as well as making sure when you are making adjustments they are in line with what you are wanting.
Ill shoot you a PM as well.




