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Speed density and nitrous?

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Old 07-25-2006, 10:08 PM
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Default Speed density and nitrous?

Is nitrous compatible with speed density tunes?
Old 07-26-2006, 12:05 PM
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That is not true you may still be able to run a dry kit. Not all dry kits get the fuel through the MAF. Depending on the car and type of fuel system there are sevral ways of adding fuel on a dry system
Old 07-26-2006, 01:53 PM
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Originally Posted by srsnow
That is not true you may still be able to run a dry kit. Not all dry kits get the fuel through the MAF. Depending on the car and type of fuel system there are sevral ways of adding fuel on a dry system
ive personally only seen two styles of dry kit:

1. sprays the MAF, and the computer "sees" the nitrous with the MAF and adds fuel.

2. the fuel pressure is modified when spraying..... thru various methods.


but the regulator is in the tank on LS1 fbodies, and in the fuel filter on LS1 vettes... making #2 unworkable by normal methods...


so right now, if you're running a SD tune, you need to spray a wet shot...
Old 07-26-2006, 03:05 PM
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There are sevral ways to add the fuel. Some kits used the coolant temp sensor. There was an old NOS kit for the L98's that used a flip chip. And depending on the engine managment system that can also be used to get extra fuel.

So while you may be limited on an LS1 with regard to dry systems if you have a SD tune. To say that all SD setups must be wet is not an accurate statment and could lead to confusion.
Old 07-26-2006, 05:38 PM
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Originally Posted by srsnow
There are sevral ways to add the fuel. Some kits used the coolant temp sensor. There was an old NOS kit for the L98's that used a flip chip. And depending on the engine managment system that can also be used to get extra fuel.

So while you may be limited on an LS1 with regard to dry systems if you have a SD tune. To say that all SD setups must be wet is not an accurate statment and could lead to confusion.
if anyone is stupid enough to confuse my SD comment with a speed density system on a motor other then a LS1 running the stock ECM, they deserve to blow their motor up. LOL


im not going to post up the obvious limitations to every statement i make on LS1 tech.

so rather then try to "broaden our horizons" by telling us all about unrelated motors, how about you tell us how to run a dry shot without the MAF on a LS1....

btw, you wont get nearly enough fuel enrichment by just "fooling" the coolent temp sensor on a LS1...
Old 07-26-2006, 05:56 PM
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Originally Posted by srsnow
There are sevral ways to add the fuel. Some kits used the coolant temp sensor. There was an old NOS kit for the L98's that used a flip chip. And depending on the engine managment system that can also be used to get extra fuel.

So while you may be limited on an LS1 with regard to dry systems if you have a SD tune. To say that all SD setups must be wet is not an accurate statment and could lead to confusion.
How about this then.

Can you give me a GOOD reason why to use a dry kit on a SD setup?
Old 07-26-2006, 06:14 PM
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If you run EFILive, they offer a custom N20 OS that has fueling as well as timing adjustments for both N/A and N20. You can use it with a MAF or without.
Old 07-27-2006, 10:46 AM
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https://ls1tech.com/forums/nitrous-oxide/508006-my-old-c5-numbers-support-theory.html

and

https://ls1tech.com/forums/nitrous-oxide/485211-anyone-play-around-dry-sd-tuning-yet.html
Old 07-27-2006, 11:53 AM
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Originally Posted by Boostaholic
How about this then.

Can you give me a GOOD reason why to use a dry kit on a SD setup?
No because then this post would spiral into a dry vs wet pissing contest and that wasn't the goal of my post. My intent was to make sure there wasn't confusion regarding speed density and what type of kits were compatiable with it.
Old 07-27-2006, 04:42 PM
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I guess I should have added a little more information. I have Nitrous Dave's "money maker" system which is a wet system. I understand the MAF will be obsolete but was not sure a proper tune could be done with nitrous. Thanks
Old 07-27-2006, 04:49 PM
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Yup. You can do whatever you like as the fueling is controled primarily by the fuel solenoid/jet, not the PCM.
Old 09-24-2006, 08:01 PM
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Would the pot method with the cts work with a 2 bar OS from hptuners? Would the table(ect vs fuel adder) also add the fuel to the boost enrichment table?
Old 09-25-2006, 10:30 AM
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Originally Posted by ujslost2
Would the pot method with the cts work with a 2 bar OS from hptuners? Would the table(ect vs fuel adder) also add the fuel to the boost enrichment table?
yes
coolant correction works with any fueling method.
Old 09-25-2006, 03:42 PM
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You'll get tuned for the nitrouus, they will just pull somme timinng..



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