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Nitrous / Propane Injection

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Old Apr 30, 2003 | 03:57 PM
  #1  
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Default Nitrous / Propane Injection

Has anyone tried nitrous / propane on their LS1 yet???

What kind of hardware besides a propane bottle heater / lines would you need to run nitrous / propane?

Does anyone have any idea what kind of jetting you would use for propane, and how much would be used and a ratio betweens bottle fills / swaps at your local 7-11?

Any info on propane would be great... thanks.
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Old Apr 30, 2003 | 04:51 PM
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Default Re: Nitrous / Propane Injection

As far as other stuff you will need you pretty much coverd it. You will need a solenoid. I use NOS cheater fuel solenoids they are good up to 400psi so they have no problem with 150psi or so propane runs at. Any fuel solenoid with the same spec as the cheater should work. You will use about 1lb of propane for every 18lbs of nitrous. Or there abouts I've never actually checked but it last a long time. If you go to LS1.com and do a search for propane you can see some of the other post on this. If you have any specific questions just let me know.
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Old May 1, 2003 | 02:27 PM
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Default Re: Nitrous / Propane Injection

what is the advantage of using propane over gasoline?
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Old May 1, 2003 | 04:12 PM
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Default Re: Nitrous / Propane Injection

It's a gas so it doesn't have the distribution problems of gasoline. Plus it's high octane and slow burning.
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Old May 2, 2003 | 07:56 AM
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Default Re: Nitrous / Propane Injection

do you know about what octane it is? also is it cheaper than gas?
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Old May 2, 2003 | 08:00 AM
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Default Re: Nitrous / Propane Injection

one more thing: what is the optimum ratio of propane-nitrous?
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Old May 2, 2003 | 11:21 AM
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Default Re: Nitrous / Propane Injection

The octane is right around 112-115. The ratio is about the same as gas maybe just a little richer.
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Old May 2, 2003 | 12:01 PM
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Default Re: Nitrous / Propane Injection

this is what i got off the other site once. He is runing a dual stage, the 1rst dry then the second wet with propane for fuel.
have to do a search to find who it was but

We were running 36's on the dry side and 63/32 on the propane side and the AFR was 12.8-13.0 the bottle pressure was 950psi. And that was good for about an extra 200RWHP. I would probably run a 34-36 on the fuel just to give it a little more of a cushion. Or better yet 32's on the dry side. Basically we were trying to make up for the fact that the dry side was a little lean. We have tried some diffrent settings with the propane. Not as much as I would like to but we only have so much time on the dyno. The set up that I've been running is 30 on the dry side and 63/30 on the propane which is good for 165RWHP and 285ft/lbs.

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Old May 3, 2003 | 01:08 PM
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From: Jersey boy
Default Re: Nitrous / Propane Injection

since propane burns slower than gas and nitrous burns faster to you still have to retard timing?
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Old May 5, 2003 | 10:41 AM
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Default Re: Nitrous / Propane Injection

If you start running alot then you will need to pull timing. But the propane does help keep it from detonating.
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Old May 6, 2003 | 07:04 AM
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Default Re: Nitrous / Propane Injection

the guy i got the info from said he didnt retard timing any.

i guess you just have to watch your knock and see for yourself.

propane does do a good job in fighting knock.
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Old May 6, 2003 | 05:57 PM
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From: Jersey boy
Default Re: Nitrous / Propane Injection

can you use the fuel lines that come with a wet kit to hook up to your propane or did you get totally new lines and run them?
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Old May 9, 2003 | 01:54 AM
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Default Re: Nitrous / Propane Injection

It'll be fine in standard stainless steel braided line.

I'll let you know results soon... going to test on a few different cars.

I'll have to be a sponsor soon to say anything else.

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Old May 15, 2003 | 07:21 PM
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Default Re: Nitrous / Propane Injection

TTT

I'm really interested in doing this. I still need to get a nitrous set up, but if this is a better set up, I'd like to do it right from the start.
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Old May 15, 2003 | 11:40 PM
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Default Re: Nitrous / Propane Injection

What would it take to add this to a Nitrous Xpress Kit? So, you can use this and what about gas in the gas tank? Pump gas? So you can get away with running pump gas in the tank even on big 200-300 shots? This would throw the Nitrous Xpress jetting way off wouldnt it? The Viper guys run a kit from BTR like this.
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