JR supercharger, alternator pulley for 14psi - which size?

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Old Nov 5, 2004 | 05:05 AM
  #1  
agratise's Avatar
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From: Ulm, BW, Germany
Default JR supercharger, alternator pulley for 14psi - which size?

Hi,

I#m from germany and i have a Supercharged Del Sol with B16A2 Engine! I boostet 5 psi for a while and now i want to boost 14 psi! I have a Crank pulley (i hope thats right, the one pulley where power steering and alternator are connected to, which is on the motor) from a honda CRV which makes 9 psi right now. But i want more! A friend could make a pulley for me on a machine ( i dont now the name in english for this machine!) but i should know which size it has to be! I heard there is a place where i could buy this pulley, except for jackson racing! how much is it?

Thanks a lot!

greetings from germany!
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Old Nov 5, 2004 | 06:31 AM
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

i dont think it would be safe running 14psi out of a stock JRSC.

it requires some internal modification to run safley and efficent.

some other uses might be able to help you out more on this..
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Old Nov 7, 2004 | 11:20 PM
  #3  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (non-VTEC)

can anyone help?
thanks, Philip
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Old Nov 8, 2004 | 04:23 AM
  #4  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

Rechne doch einfach selbst aus.
Das originalPulley und das CRVPulley stehen in einem Verhälnis, wobei sich in diesem Verhälnis ja auch dein Ladedruck ändert. Somit kannst Du ja auch den Duchmesser ausrechnen.
Oder Du rechnest die Drehzahl aus, die der JRSC braucht um bspw. 5PSI zu machen und dann kannst du dienötige Drehzahl ausrechnen, die er braucht um 14PSI zu drücken. Dann wieder Verhälnisgleichung und schon hast Du deinen nötigen Durchmesser. :-)

Kolben.PLeuel etc. Liegen alle bei mir vorrätig :-)

MfG Kevin
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Old Nov 8, 2004 | 06:00 AM
  #5  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

nose pully from jrsc:
4.0" 5psi on stock crank pully
3.8" 8psi on stock crank pully
3.6" 10 psi on stock crank pully
all above with CRV crank pully, you may gain another 2-3psi
Someone please correct me if I am wrong!!!

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by non-VTEC &raquo;</TD></TR><TR><TD CLASS="quote">i dont think it would be safe running 14psi out of a stock JRSC.

it requires some internal modification to run safley and efficent.

some other uses might be able to help you out more on this..</TD></TR></TABLE>

AGREE, because the style of jrsc design, wich will increase lots heat at high psi and you will not really gain much power of it.

Thank
Will
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Old Nov 8, 2004 | 08:52 AM
  #6  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

14 psi from the JRSC will give you very high blower discharge temperatures, I wouldn't advise you to do that. If you want to scratch your itch you should consider an intercooler. It will allow you to run a larger pulley at the same boost, and much more timing giving you powerrrr!

Choose wisely,

Mark.

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Old Nov 8, 2004 | 09:11 AM
  #7  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (mgro)

Yep, either cool the chrage or stay with a lower boost level (around 10psi) and run nitrous for additional power
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Old Nov 8, 2004 | 09:16 AM
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (willie_su2166)

Is that for the M45 or M60? I have a 3.4" pulley for my M45 (not installed) and I was told that it would produce about 7.5 psi.
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Old Nov 8, 2004 | 01:06 PM
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (JRciv)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JRciv &raquo;</TD></TR><TR><TD CLASS="quote">Is that for the M45 or M60? I have a 3.4" pulley for my M45 (not installed) and I was told that it would produce about 7.5 psi.</TD></TR></TABLE>
B16 uses the M45.
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Old Nov 9, 2004 | 01:08 AM
  #10  
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From: Ulm, BW, Germany
Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

What do you mean by intercooler? Water injection? I have the JRSC Ait-Cooled by a hood-scoop exactly over tha intake manifold but i'm not sure if that is really worth it!
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Old Nov 9, 2004 | 01:11 AM
  #11  
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From: Ulm, BW, Germany
Default Re: JR supercharger, alternator pulley for 14psi - which size? (hondaapi)

Hi Kevin, glaubst du auch dass es eine schlechte idee ist den Kompressor so hoch drehen zu lassen? ich habe einen In Holland gesehen der hat 20 PSI mit dem Kompressor geladen! Gleiches System!!!

Wann gehts denn ab nach Amerika? Um den Motor zusammenzubauen?

Viele Grüße, Philip
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Old Nov 9, 2004 | 08:13 AM
  #12  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (GITWIDIT)

They changed to M62 some years back (&gt;3). So it depends on how old your kit is.
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Old Nov 9, 2004 | 08:17 AM
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mgro's Avatar
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

The water injection does seem to help, but I have a "real" intercooler. You can read all about it on my webpage:

http://home.plex.nl/~schwarzy/index.htm

Click on the "intercooler" hyperlink...

Oh yeah... the Dutch guy you're referring to in the German post runs 17psi, but he modified the blower for that. I don't know for sure but it could be something like Larry Widmer offers on the Endyn website... http://www.theoldone.com

Mark.
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Old Nov 10, 2004 | 11:34 PM
  #14  
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (mgro)

I was in Mai on a Honda Meeting in Holland, he had a civic coupe with color-changing paint some kind of purple and a green paintet supercharger intake manifold!!! I bought a T-Shirt from him Totalcarconcept!

What did he do to the carger that he can let it spin so fast without damaging it? I really just want to go for 14 psi, so i should know what i have to change of the charger internals!!!

The Intercooler you installed, where did you buy the Heat Exchanger and are you really shure if this did help keeping the air cool? Ace, a guy from the hondapower.de phorum, told me that he knows you! He said you haven't done a dyno yet! Let me know if you got any results! I'm looking very interestet at your Intercooler system!


Greetings from Germany,
Philip
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Old Nov 11, 2004 | 08:27 AM
  #15  
mgro's Avatar
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Default Re: JR supercharger, alternator pulley for 14psi - which size? (agratise)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by agratise &raquo;</TD></TR><TR><TD CLASS="quote">What did he do to the carger that he can let it spin so fast without damaging it? I really just want to go for 14 psi, so i should know what i have to change of the charger internals!!! </TD></TR></TABLE>

Hi Philip,

I don't know what he did to his blower, he just told me that he "modified" it. Since the blower blades expand under centrifugal force I'd venture to guess that he removed some material from the outsides (more clearance). Also, reworking the blower exit shape reduces the heat produced by the bower (but increases the noise). Again, I'm just guessing here... why don't you ask him?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by agratise &raquo;</TD></TR><TR><TD CLASS="quote">The Intercooler you installed, where did you buy the Heat Exchanger and are you really shure if this did help keeping the air cool?</TD></TR></TABLE>

I ordered the heat exchanger from LHT as well. Its nothing special; just a medium sized oil cooler. I believe the pump is normally used to remove water from boats

About the cooling effect: Before the intercooler I used to see intake temps of ~90..100 deg C at WOT (10psi). With the intercooler I made a highwaypull in 5th gear from 100km/h to 200km/h, foot on the floor. IAT never exceeded 52 deg C. I haven't measured air temps at the cylinder port yet, but since the IAT sensor is located behind the IC core I expect to see lower temps.
Cruising temps were 50..55deg C, 20..30 deg C with IC.

And most important: it really feels much faster since I advanced the timing!

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by agratise &raquo;</TD></TR><TR><TD CLASS="quote">
Ace, a guy from the hondapower.de phorum, told me that he knows you! He said you haven't done a dyno yet! Let me know if you got any results! I'm looking very interestet at your Intercooler system!

Greetings from Germany,
Philip</TD></TR></TABLE>
Check back to my site now and then. I'm working my *** off at work, but whenever I find time I work on the tuning. When its done I'll do an "after" dyno run.

Gruesse aus Holland,

Mark.
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