Results 1 to 16 of 16
  1. #1
    Junior Member DARKLS1's Avatar
    Join Date
    Jul 2006
    Location
    wISCONSIN
    Posts
    4

    BLACK
    '99 TRANS AM

    Nos on high mileage engine?

    I just recently purchased a '99 trans am with 113k, it had to of been adult driven, over 40yrs, no mods and drives flawless. How much nos do you think is too much, i was thinking of a 50-75 shot dry. Ive ran as much as 85shot in my v6, so im familiar with nos, just wanted to get some other opinions.
    Thanks

  2. #2
    American Muscle RedT/Anumber1's Avatar
    Join Date
    Apr 2006
    Location
    I don't know. Some were in Texas
    Age
    36
    Posts
    235

    red
    1999 Trans am

    If its been taken care of you can dump a good amount of nos into the engine. I've heard of t/a with 150,000 miles on it run 75 dry shot.
    113k city miles or high way miles?

  3. #3
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,364

    black
    2014 camaro 2ss/rs

    you can still run the 125 dry shot. just do a check up on the ignition and fuel system.
    Last edited by mrr23; 08-09-2006 at 04:23 AM.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers

  4. #4
    Junior Member DARKLS1's Avatar
    Join Date
    Jul 2006
    Location
    wISCONSIN
    Posts
    4

    BLACK
    '99 TRANS AM

    Id say mostly highway , car drives awesome. Im glad to hear your guys opinions, thanks for takng the time

  5. #5
    Junior Member
    Join Date
    Jul 2006
    Location
    Northern VA
    Age
    43
    Posts
    17

    Dark blue metallic
    1999 Camaro SS

    Definitely have the fuel system checked, you want to be sure the pump is up to providing the necessary fuel. If you go WOT and pump NOS in and the fuel pump can't keep up you could go lean which = new motor.

    Maybe also a compression and leakdown test on the motor to ensure it's healthy?

    Also, I'd probably want to fuel pressure gauge in the cabin to keep an eye on things too.

    Oh and make sure the cooling system is in good order.

    Good luck!

  6. #6
    Junior Member DARKLS1's Avatar
    Join Date
    Jul 2006
    Location
    wISCONSIN
    Posts
    4

    BLACK
    '99 TRANS AM

    what if the kit comes with the fuel pressure saftey thing, would that just kill the nos before any harm is done?

  7. #7
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    Location
    orlando, fl
    Posts
    7,364

    black
    2014 camaro 2ss/rs

    yes it can. so long as it's working as well.

  8. #8
    Junior Member
    Join Date
    Jul 2006
    Location
    Northern VA
    Age
    43
    Posts
    17

    Dark blue metallic
    1999 Camaro SS

    Quote Originally Posted by DARKLS1 View Post
    what if the kit comes with the fuel pressure saftey thing, would that just kill the nos before any harm is done?
    That would probably be a good safety net. Don't have too much experience with these, but it sounds like a fuel pressure switch that activates below a certain pressure level to cut NOS. Sounds good in theory, but I don't know much else about those setups.

    There are probably plenty more NOS guys that can speak to that though.

  9. #9
    Junior Member
    Join Date
    Aug 2005
    Location
    mo
    Age
    48
    Posts
    42

    hugger orange
    1999

    fuel pressure switch

    ive got the ny-trex triple threat kit that i purchased from speedtweekerz and it included the switch. i would definitely recommend the switch to you especially with the dry kit. it will screw right on to the fuel rail at the schrader valve which will need to be removed, but that is simple enough. i am running a wet kit with 125 shot on 95,000 mile engine and had about 7-8 bottles thru it. i actually think it has made it run better off the bottle. must have clean up some carbon deposits?



    Last edited by mrr23; 08-09-2006 at 04:25 AM. Reason: non-sponsor link removed

  10. #10
    Member
    Join Date
    Aug 2005
    Location
    San Diego
    Posts
    272

    Black
    1999 Camaro Z28 (SS kit)

    I agree with huggerz28...cleans the top of the motor...my car only has 73k miles, but I have been running a 150 wet for a long time now. I would work your way up and see if you can find someone to monitor the knock and timing retard on one of the programs like Auto Tap. This will let you know how your car is handling the extra fuel and juice. Have fun...I bet you will be okay. Start with 50 and go up to 150 wet. NX is my choice.

  11. #11
    Junior Member quickls1's Avatar
    Join Date
    Dec 2005
    Location
    Jacksonville, Florida
    Age
    43
    Posts
    13

    Pewter
    1999 Z28

    There are a few guy I know in Jax FL that run nitrous on high mileage cars. One guy is running 175 wet on his 2001?? Ram Air M6 T/A and it has around 135k miles. Very fast car. Then there is another guy that had a 2000 M6 T/A that had the nitrous in a bag dry kit. He took the jet completly out of the nozzle and was running around racing people for a few months, Neither one of these guy had ANY problems running that on their cars. Both cars are still running very strong. The Ram Air is still going strong enough to run 12.4 on motor and still holds up to the spray!

  12. #12
    Senior Member Danger731's Avatar
    Join Date
    Aug 2000
    Location
    Indy
    Posts
    6,735
    I'de say safe at 75 with all the safety, FPSS, RPM window, yada yada yada

  13. #13
    Junior Member preppy's Avatar
    Join Date
    Aug 2006
    Location
    ga
    Posts
    19

    silver
    2000 ws6 transam

    Quote Originally Posted by DARKLS1 View Post
    I just recently purchased a '99 trans am with 113k, it had to of been adult driven, over 40yrs, no mods and drives flawless. How much nos do you think is too much, i was thinking of a 50-75 shot dry. Ive ran as much as 85shot in my v6, so im familiar with nos, just wanted to get some other opinions.
    Thanks
    I had a 98 ss and put 150 shot wet nxkit 130000, no problems

  14. #14
    Member
    Join Date
    Jul 2006
    Location
    Glen Carbon, IL
    Age
    45
    Posts
    397

    Silver
    2000 Camaro SS

    I have a 2000 SS with 113,000 miles. I spray a 125 shot with 26* of timing with autolite 103 plugs. AFR is tuned to 12.8:1 n/a. The most KR that has been seen n/a is .5* and my ORY was banging.

  15. #15
    Senior Member
    Join Date
    Sep 2005
    Location
    rochester,ny
    Age
    45
    Posts
    2,665

    pewter
    2001 z28 lingenfelter 383

    howd u get a 99 with a 113k on it in wisconson????? must have winters on it and LOTS of driving or its from out of state?

  16. #16
    Member TwistedSS's Avatar
    Join Date
    Sep 2005
    Location
    Irmo, SC
    Posts
    212

    Arctic White
    2001 Camaro SS

    Quote Originally Posted by mrr23 View Post
    you can still run the 125 dry shot. just do a check up on the ignition and fuel system.
    +1 for that.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. High mileage help
    By huitt06 in forum Camaro / SS
    Replies: 6
    Last Post: 09-12-2014, 10:44 AM
  2. Question: High mileage WS-6?
    By aaron_douglas in forum Firebird / WS6
    Replies: 10
    Last Post: 08-10-2011, 11:05 PM
  3. Question: high mileage oil ratings
    By JayTA98 in forum General Help
    Replies: 20
    Last Post: 06-16-2011, 12:33 PM
  4. How many here have bought a high mileage LS1?
    By importssuck in forum Camaro / SS
    Replies: 103
    Last Post: 04-08-2011, 11:33 AM
  5. High mileage?
    By seechadfall in forum Drivetrain
    Replies: 5
    Last Post: 08-22-2010, 05:33 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •