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Thread: 9:1 cp pistons

  1. 12-30-2008, 09:08 PM #1
    bpoweredhatch
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    Default 9:1 cp pistons

    ok i just went to get my car tiuned and we ran into a tone of problems.he told me my cp was to low for the 9:1 pistons. 1st cylinder was 10 2nd&3rd 110 4th 140 is that normal.it has a fully built head crower stage 3 cams
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  2. 12-30-2008, 09:38 PM #2
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    anyone lol
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  3. 12-31-2008, 09:18 AM #3
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    Quote Originally Posted by kpowerhatch
    1st cylinder was 10 2nd&3rd 110 4th 140
    hold on #1 had 10 psi. for the most part u want a 10% variation in pressure max.

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  4. 12-31-2008, 10:47 AM #4
    Atlblkz06
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    I think you meant 100. Even 110 is low - something is up.
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  5. 12-31-2008, 10:47 AM #5
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    Thats pretty low atleast 180psi ... did you do a proper valve lash adjustment with stg3 cams? DOes teh car smoke on take off?
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  6. 12-31-2008, 10:53 AM #6
    Atlblkz06
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    180 for a high CR N/A motor. 140 is about right for 9:1 CR I think.
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  7. 12-31-2008, 11:23 AM #7
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    Quote Originally Posted by Atlblkz06
    180 for a high CR N/A motor. 140 is about right for 9:1 CR I think.
    no. 9:1 should be around 160-180. a stock gsr has 220-240 if its healthy
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  8. 12-31-2008, 11:29 AM #8
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    expected for where you got that motor
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  9. 12-31-2008, 04:02 PM #9
    bpoweredhatch
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    i got the motor from andrew which he said someone built so im not sure if its a good motor or not.he suspposed to come check it out tomorrow and if its not gonna check out i guess where gonna go to court over this unless he wants to fix it like this weekend. i gotta have a car before i go back to college.but it was 140 110 110 140. itt has stage 3 cams in it but im not sure if the motor is even done right because everybody is sayin he is a bad person now
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  10. 12-31-2008, 05:44 PM #10
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    lol court so quick. u said u had the head off already correct.

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  11. 12-31-2008, 06:07 PM #11
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    Quote Originally Posted by no mo hondas
    lol court so quick. u said u had the head off already correct.
    owned!! Warranty void.
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  12. 12-31-2008, 06:28 PM #12
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    Quote Originally Posted by no mo hondas
    hold on #1 had 10 psi. for the most part u want a 10% variation in pressure max.
    x2... something is wrong bro
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  13. 12-31-2008, 07:51 PM #13
    bpoweredhatch
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    Default hey

    Quote Originally Posted by no mo hondas
    lol court so quick. u said u had the head off already correct.
    no he sent me a picture with the head off
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  14. 12-31-2008, 07:53 PM #14
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    i dont know who said i took the head off but i never took he head off.for some reason he had to put a timing belt on when he got here.im not sayin he screwed me but he gonna try and come up tomorrow and fix it
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  15. 12-31-2008, 08:13 PM #15
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    looks like no turbo lol!!
    I do rb20 and rb25 wiring into s13 and s14's 300.00 shipped 24hr turn around turn ket start guaranteed! PM me for more details!
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  16. 12-31-2008, 09:13 PM #16
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    what you mean looks like no turbo
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  17. 12-31-2008, 09:17 PM #17
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    Quote Originally Posted by kpowerhatch
    i dont know who said i took the head off but i never took he head off.for some reason he had to put a timing belt on when he got here.im not sayin he screwed me but he gonna try and come up tomorrow and fix it

    my new setup
    post #17

    Quote Originally Posted by kpowerhatch
    oh we took it apart i do know its built like he said it was

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  18. 12-31-2008, 09:21 PM #18
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    we took the oil pan off not the head he offered to come take it apart to show me whats in it
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  19. 12-31-2008, 09:33 PM #19
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    Quote Originally Posted by kpowerhatch
    we took the oil pan off not the head he offered to come take it apart to show me whats in it
    thank u for clearing that up for me

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  20. 12-31-2008, 09:34 PM #20
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    that was my bad bro
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  21. 12-31-2008, 09:36 PM #21
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    i wasn't trying to make you look like a lair or anything just was confused.

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  22. 12-31-2008, 09:39 PM #22
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    lol i understand i should of said.but if he comes thru and fix the engine tomorrow everything will be cleared.but its just so much from ppl thats makin me think even more
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  23. 01-01-2009, 10:26 PM #23
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    hey someone lock this thread andrew came and fixed the engine it runs fine now time to go back and get it tuned
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  24. 01-01-2009, 10:32 PM #24
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    Quote Originally Posted by kpowerhatch
    hey someone lock this thread andrew came and fixed the engine it runs fine now time to go back and get it tuned
    what was wrong with it?
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  25. 01-01-2009, 11:07 PM #25
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    atleast he got it working right.

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  26. 01-01-2009, 11:31 PM #26
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    Default hey

    Quote Originally Posted by BTEC
    what was wrong with it?
    bad tb gasket,one of my intake mani fitting fell out,starter wasnt ground to good and etc....
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  27. 01-01-2009, 11:34 PM #27
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    Quote Originally Posted by kpowerhatch
    bad tb gasket,one of my intake mani fitting fell out,starter wasnt ground to good and etc....
    none of that should have anything to do with your cp but gl with it
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  28. 01-01-2009, 11:38 PM #28
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    im not sure if the batt was gettin off enough power because the batt was dyin
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  29. 01-01-2009, 11:39 PM #29
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    im not sure if the batt was gettin enough power because the batt was dyin
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  30. 01-01-2009, 11:45 PM #30
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    Quote Originally Posted by kpowerhatch
    im not sure if the batt was gettin enough power because the batt was dyin
    I'm quite sure that makes the least amount of sense I've ever heard.
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  31. 01-02-2009, 12:11 AM #31
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    something is wrong with this picture.

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  32. 01-02-2009, 12:18 AM #32
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    Quote Originally Posted by patrick4588
    no. 9:1 should be around 160-180. a stock gsr has 220-240 if its healthy
    220PSI = 15:1 compression. How do you get that from a 10:1 compression motor? Heat is the only factor I can think of that can affect pressure so drastically.
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  33. 01-02-2009, 12:27 AM #33
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    Quote Originally Posted by Atlblkz06
    220PSI = 15:1 compression. How do you get that from a 10:1 compression motor? Heat is the only factor I can think of that can affect pressure so drastically.


    these are hondas we make 180-240psi and less than 220hp LOL

    but seriously
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  34. 01-02-2009, 12:46 AM #34
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    Quote Originally Posted by Annihilation
    these are hondas we make 180-240psi and less than 220hp LOL

    but seriously

    None of these numbers are HP. 220PSI pressure.
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  35. 01-02-2009, 11:01 AM #35
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    How did all those things you listed fix your Compression.?
    :idb:
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  36. 01-02-2009, 12:09 PM #36
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    well i talked to scotty he told me to let oil sit in the cylinders to built the compression back up.the 1000cc injectors must of washed the rings
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  37. 01-02-2009, 01:22 PM #37
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    Quote Originally Posted by Atlblkz06

    None of these numbers are HP. 220PSI pressure.



    this is how we get to 11:1 + comp ratios

    B Series Compression Ratio's for different setups
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  38. 01-02-2009, 04:37 PM #38
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    Quote Originally Posted by kpowerhatch
    what you mean looks like no turbo
    looks like no boost for you right now...lol what do you think it means!
    I do rb20 and rb25 wiring into s13 and s14's 300.00 shipped 24hr turn around turn ket start guaranteed! PM me for more details!
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  39. 01-02-2009, 04:40 PM #39
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    why you say that it runs now
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  40. 01-02-2009, 04:42 PM #40
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    Quote Originally Posted by Atlblkz06
    220PSI = 15:1 compression. How do you get that from a 10:1 compression motor? Heat is the only factor I can think of that can affect pressure so drastically.
    tha hell you talking about my old 10:1 gsr motor had 240 all across the board and my 10:8:1 h22 had 270
    I do rb20 and rb25 wiring into s13 and s14's 300.00 shipped 24hr turn around turn ket start guaranteed! PM me for more details!
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