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High comp. wit NOS??

Discussion in 'Engine Building' started by CRseX84, Nov 5, 2003.

  1. CRseX84

    CRseX84 Senior Member

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    i got a 98 GSR engine, im gona be rebuilding it to hopefully have around 12:1 comp. and i was thinkin i might wana do a NOS set up also cuz i cant realy afford the trubo, can i do that high of comp. and still do NOS? will it make me faster? or will it blow my motor up faster?? and how much is a set up usualy cost? also i am gona be replacing the pistons, valve headware, mill the head and square the block, what would i be looking at for a good shot of NOS?
     
  2. ek9r

    ek9r Senior Member

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    you can spray a engine at 12:1 compression no problem. Nawwws kits usually go for about $500. if you dont use ARP studs when assembling your block, you are asking for trouble. i wouldnt give it more than a 75 shot. Nawwws is safe to use if proper fuel adjustments are done to avoid detonation. i would also look into getting stainless valves if you are gonna spray it.
     
  3. CRseX84

    CRseX84 Senior Member

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    what do you have to do inorder to run a higer shot?
     
  4. 2 litre EG

    2 litre EG Senior Member

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    change the jets

    *the things that spray the nitrous and fuel mixture*
     
  5. MaliWho97

    MaliWho97 Senior Member

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    Use a colder plug too.
     
  6. turbohatch

    turbohatch Junior Member

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    High compresion motor love nitrous. I would suggest using forged pistons, aftermaket rods,sleves the block or at least use block guard. Use direct port wet kit for a safer and make more power. I know a guy using 12:1 com. on a 200 shoots of nitrous run low 11s. I am also using NOs direct port wet kit on my turbo ls/vtec and cooler plug will help u out a lot. :D
     
  7. gocivicls

    gocivicls Senior Member

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    Stay away from NOS with Casted pistons, such as CTR or P30's. I dont think they will hold up long.
     
  8. IDMaxGuy

    IDMaxGuy Senior Member

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    arent u supposed to go half your HP rating when using "nitrous"..

    READ MY SIG.
     
  9. EJdmB18C

    EJdmB18C Member

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    Simplist way not to blow your motor...DONT RUN NOS!!! :angry:
     
  10. sloazcrx

    sloazcrx Senior Member

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    This is true when using a stock motor and stock fuel injectors. To run a bigger shot you would need to upgrade to atleast 310cc injectors and a larger fuel pump. As stated before, nitrous is safe when you have the proper fuel upgrades.
     
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