JRSC.. what would cause no boost?
06-28-2005, 10:57 AM
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JRSC.. what would cause no boost?
took my car out for a drive today for a test drive with the new boost guage.
i have a jrsc with the 4.0 pulley. when i got on it, never hit boost.
i tried a few times, but nothing... no boost. vacum works, around 21psi at idle on the vacum side.
any reasons why i wouldn't hit boost with a JRSC? would belts have anything to do with it? the blower isn't making any kinds of noises or anything like that.
i have a jrsc with the 4.0 pulley. when i got on it, never hit boost.
i tried a few times, but nothing... no boost. vacum works, around 21psi at idle on the vacum side.
any reasons why i wouldn't hit boost with a JRSC? would belts have anything to do with it? the blower isn't making any kinds of noises or anything like that.
06-28-2005, 12:46 PM
#4
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Re: JRSC.. what would cause no boost? (boostedeghatch)
hehe, wastegate, thats funny.
anyways,
you sure your belt is on there tight and it's not slipping??
Also check the bypass valve,
it's whole purpose is to turn off boost (under partial throttle i believe)
so if it's stuck, then it'll turn off boost permanentely.
anyways,
you sure your belt is on there tight and it's not slipping??
Also check the bypass valve,
it's whole purpose is to turn off boost (under partial throttle i believe)
so if it's stuck, then it'll turn off boost permanentely.
06-28-2005, 12:52 PM
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Re: JRSC.. what would cause no boost? (Tad)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Tad »</TD></TR><TR><TD CLASS="quote">hehe, supercharger, thats funny.
</TD></TR></TABLE>
</TD></TR></TABLE>
06-28-2005, 09:35 PM
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Re: JRSC.. what would cause no boost? (boostedeghatch)
the bypass valve opens and closes when i rev the motor. its supposed to do that, correct?
i am using a belt from the nose pulley to the alt. that is about 2 sizes bigger than it should be.
i hooked up a boost guage, but i didn't Tee it off to the intake manifold. i used the nipple thats right above where the TB goes. the SC is on a gsr motor.
i am using a belt from the nose pulley to the alt. that is about 2 sizes bigger than it should be.
i hooked up a boost guage, but i didn't Tee it off to the intake manifold. i used the nipple thats right above where the TB goes. the SC is on a gsr motor.
06-28-2005, 09:39 PM
#7
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Re: JRSC.. what would cause no boost? (boostedeghatch)
oh well thats why
you have to read boost off the intake mani, after the charger.
before the sc there is only vacuum
you have to read boost off the intake mani, after the charger.
before the sc there is only vacuum
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06-28-2005, 09:56 PM
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Re: JRSC.. what would cause no boost? (Tad)
so tee it off to the nipple thats coming out the back of the intake manifold by the IAT sensor?
here's is a pic of my SC intake manifold
here's is a pic of my SC intake manifold
06-28-2005, 10:41 PM
#11
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Re: JRSC.. what would cause no boost? (boostedeghatch)
well, not anywhere after the tb,
anywhere after the supercharger would be more correct!
but yeah that plugged up fitting next to the brake booster L shaped fitting,
lookslike a perfect source,
wouldnt have to T anything in that case
anywhere after the supercharger would be more correct!
but yeah that plugged up fitting next to the brake booster L shaped fitting,
lookslike a perfect source,
wouldnt have to T anything in that case
