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Thread: 5.5psi ?

  1. #1
    Inactive Member klintman's Avatar
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    jrsc installed w/ stock pulleys. cruise manifold pressure ~-20psi / max boost 5.5psi . is this normal ? ive heard stock boost should be 7-8psi .


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  2. #2
    Inactive Member austrian type-R's Avatar
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    It is okay. The stock JRSC kit for the R is 5.5psi

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    Supercharged ITR?98 @ 5.5psi
    BTC unit, Apexi VAFC, K&N short ram intake, skunk2 cam gears, Kamikaze 2.5", ceramic header, Thermal 3" exhaust, RC 310 injectors, Cartech FMU, AEM FPR
    13.775 seconds 0-402 meters (1/4 mile)
    http://www.geocities.com/superchargedtyper
    http://www.geocities.com/autitr/myin...l?991952862150

  3. #3
    Inactive Member klintman's Avatar
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    5.5 for the r , i have a gsr . are the pulleys and boost the same ? i would think with the higher compression in the r the boost would be tuned down .

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  4. #4
    Inactive Member austrian type-R's Avatar
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    The stock GSR is rated at 6psi. Perhaps you must tighten your SC belt a bit more. Do you have allready a larger exhaust and Header?

    ------------------
    Supercharged ITR?98 @ 5.5psi
    BTC unit, Apexi VAFC, K&N short ram intake, skunk2 cam gears, Kamikaze 2.5", ceramic header, Thermal 3" exhaust, RC 310 injectors, Cartech FMU, AEM FPR
    13.775 seconds 0-402 meters (1/4 mile)
    http://www.geocities.com/superchargedtyper
    http://www.geocities.com/autitr/myin...l?991952862150

  5. #5
    Inactive Member klintman's Avatar
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    sc belt is torqued right. i do have the vac line to the gauge teed with the btc line . this may be bleeding some signal . the gauge may not be 100% accurate . i do have a comptech header and back cat exhaust . 1/2 a psi is neglegable , but some have said to expect 7 or 8psi with the stock setup .

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  6. #6
    Inactive Member -TJ's Avatar
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    Your elevation will affect the boost level. Do you live at sea level? That's where all the boost levels are rated. My "6 psi" Civic made 5.5psi at 5300ft. With the "8 psi" pulley, it made 6.75psi. I had it at sea level with the 8 psi pulley, and it did make 8 - it may be your elevation.

    -TJ


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  7. #7
    Inactive Member klintman's Avatar
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    northern IL as with most of the midwest is at or close to sea level . with more observation now ive seen it peak 6psi , but 5.5 to just under 6 is where it stays for most of the power band . it seems to get a little perk while on the high cam . maby im wrong , but i tend to keep more attention on the road than on the gauges . is a little flux comon ?

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  8. #8
    Inactive Member gsrev's Avatar
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    I know you said you checked the belt, but I really think you need to triple check it then. You should be seeing 6-7 psi. Also remember that you have another belt to check. When I was having that problem I was stumped because my alt-sc belt was tight.. turns out it was the crank to alt that was alittle loose. Problem fixed.

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    1992 Red Honda Civic CX Hatch Back
    B18C1 hybrid
    JRSC 8 psi pulley (11 psi)--- Drag Gen III turbo comming soon "its in the mail!"
    Powered by: SPEED PRO

    1998 Super Sonic Blue Integra GS-R (completely stock now)
    With jrsc at 6psi best 1320: 13.78 @101.43 on drag radials

  9. #9
    Inactive Member lilmikey77's Avatar
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    i've had my charger on for a week and a half. the first couple days the boost gauge always read 7-8psi. now a week later, the boost gauge always read 7psi exactly, it will not go above 7. the belts are tight and everything is running great.

    i'm assuming its due to the weather or whatever.

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    my charger blows!

  10. #10
    Inactive Member klintman's Avatar
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    no cam gears . i will check the belts after work tonight .

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