Nitrous Dry Shot
Thread Starter
Racer
Joined: May 2005
Posts: 403
Likes: 1
From: Fort Lauderdale
Nitrous Dry Shot
I have always been a proponent of wet shots over 100hp, but I am thinking of putting a dry shot on my 04 Z06.
There are a few things I would like to know that I could not find info on in this forum.
1. What are the stock injecotors good up to as far as HP? Has anyone sprayed a 100 shot and logged their stock injector duty cycle?
2. MAF, what is the stock maf good up to as far as HP? Has anyone ever maxed out the maf spraying a 100 or less dry shot? What is the maf frequency threshold?
Basically, are you SMALL (under 100 shot) dry shot guys changing your injectors? Are you worrying about maxing the maf?
There are a few things I would like to know that I could not find info on in this forum.
1. What are the stock injecotors good up to as far as HP? Has anyone sprayed a 100 shot and logged their stock injector duty cycle?
2. MAF, what is the stock maf good up to as far as HP? Has anyone ever maxed out the maf spraying a 100 or less dry shot? What is the maf frequency threshold?
Basically, are you SMALL (under 100 shot) dry shot guys changing your injectors? Are you worrying about maxing the maf?
Last edited by z0quick; Jan 6, 2006 at 10:23 AM.
Thread Starter
Racer
Joined: May 2005
Posts: 403
Likes: 1
From: Fort Lauderdale
Originally Posted by SpeedyZ
Excellent questions! 
Another question:
3. What can the stock fuel delivery system (pump) handle?
Another question:3. What can the stock fuel delivery system (pump) handle?
Thread Starter
Racer
Joined: May 2005
Posts: 403
Likes: 1
From: Fort Lauderdale
Originally Posted by mitymikec
I spray 150 shot all day and never have a problem..100% stock everything just make sure to put good gas in there...
Racer
Joined: Feb 2005
Posts: 389
Likes: 0
From: Harlem Ga.
I have sprayed 100 dry shot for awhile with everything stock but you would need to change plugs to ngk 6.I did get a tune to check air fuel ratio never had a problem.I have it up for sell in the parts sec.Now if you are going wet i still would not spray over 100 shot until you put new fuel pump in it.I know people have done more but it is better safe then sorry new motor cost alot. 
Thread Starter
Racer
Joined: May 2005
Posts: 403
Likes: 1
From: Fort Lauderdale
Originally Posted by DSCHULTZ
I have sprayed 100 dry shot for awhile with everything stock but you would need to change plugs to ngk 6.I did get a tune to check air fuel ratio never had a problem.I have it up for sell in the parts sec.Now if you are going wet i still would not spray over 100 shot until you put new fuel pump in it.I know people have done more but it is better safe then sorry new motor cost alot.
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Instructor
Joined: Dec 2004
Posts: 168
Likes: 1
From: Harrisonburg VA
Originally Posted by avacorvette
I've read alot on the funny gas. I would not go over a 50 shot w/out a change in fuel pump,plugs ,MAF sensor. Just my $.02
haha a 50 shot? its not a civic, it can handle a 100 shot easy all day long 100% stock, up to a 150 shot but I wouldnt run quite that much stock.
Racer
Joined: Feb 2005
Posts: 389
Likes: 0
From: Harlem Ga.
Originally Posted by z0quick
Yeah NGK TR6's definitely. I am mostly worried about injectors, I think the stock pump is okay. Could always install a FPSS too.
Last edited by DSCHULTZ; Jan 6, 2006 at 04:44 PM.
Burning Brakes
Joined: Nov 2004
Posts: 1,226
Likes: 3
From: Lakemoor IL
Originally Posted by DSCHULTZ
I have 1999 C 5 which comes with 28 pound injectors and had no problems.04 Z06 i think you got bigger injectors from factory.
I just bought stock 03 z06 injectors for my car as i'm installing a dry kit in the spring. Also i'm going to get some tr6's and then get in for a complete dyno tune for some peice of mind.
z0quick, I think you will be perfectly fine with a 100 shot. If your car is basically stock I wouldnt even get a tune. Just get it on a dyno and record the afr.
You should also talk to Robert56. He is the guru on z06 dry spraying.
Good luck,
Jeff
Burning Brakes
Joined: Nov 2004
Posts: 1,226
Likes: 3
From: Lakemoor IL
Originally Posted by Nithros
That was one of the many reasons I went with the wet kit on my previous car - I only had to worry about one thing (fuel pump) not two (fuel pump and injectors).
The thing with wet is I would always worry about the fuel noid not opening or failing to close! Plus that whole blow your manifold off deal.
Jeff
St. Jude Partner since 89
Joined: Oct 2005
Posts: 774
Likes: 4
From: Lebanon, TN
St. Jude Donor '09
Originally Posted by Nithros
That was one of the many reasons I went with the wet kit on my previous car - I only had to worry about one thing (fuel pump) not two (fuel pump and injectors).
Originally Posted by Jeffs FRC
Never heard of an injector failing...
Last edited by Nithros; Jan 9, 2006 at 08:09 AM.
Thread Starter
Racer
Joined: May 2005
Posts: 403
Likes: 1
From: Fort Lauderdale
When I get the kit on the car I will test the DC and report back here what it is. I agree that using 100% is fine for nitrous use since it is only a very quick usage, but if the DC is anything over 100 I will be changing the injectors.
Even 110-130% is usually okay, but when it is so simple to change injectors on these cars, you have no excuse.
Deliver the fuel and you will never have a problem!
Even 110-130% is usually okay, but when it is so simple to change injectors on these cars, you have no excuse.
Deliver the fuel and you will never have a problem!
