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crankshaft pulley question

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Old Nov 27, 2002 | 08:46 AM
  #1  
fredtoast's Avatar
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From: Traveling, tn
Default crankshaft pulley question

I'm heard about getting a larger crankshaft pulley in order to increase the boost on my jrsc. Anyone done this? I have a 98 ITR. Where can I find the right pulley and belt?


[Modified by fredtoast, 5:50 PM 11/27/2002]


[Modified by fredtoast, 8:10 PM 11/27/2002]
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Old Nov 27, 2002 | 08:49 AM
  #2  
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From: Redwood City, Ca
Default Re: crankshaft pulley question (fredtoast)

I wouldn't do it. The roots superchargers have RPM limits as well. Too fast and the blades hit each other....BOOM.
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Old Nov 27, 2002 | 09:04 AM
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Default Re: crankshaft pulley question (fredtoast)

I'm heard about getting a larger crankshaft pulley in order to increase the boost on my jrsc. Anyone done this? I have a 98 ITR. Where can I find the right pulley and belt? I've already checked out the smaller sc pulleys from Jackson Racing. Thanks for any info.
[Modified by fredtoast, 5:50 PM 11/27/2002]
the other guy is kind of right, but you'll be save with the 10 lb pulley, contact Endyn, speak to Larry tell him Greg Samaroo sent you ... he can sell you a pulley to use, ask him if its find for stock JR charger, cause he may need ot modify the charger for you

greg
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Old Nov 27, 2002 | 09:06 AM
  #4  
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From: Redwood City, Ca
Default Re: crankshaft pulley question (CHEETAH)

If you modify that charger with Endyn it will never put out the power that it used to.

Been discussed many many times. Never send anything to Endyn, especially your supercharger.
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Old Nov 27, 2002 | 09:22 PM
  #5  
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Default Re: crankshaft pulley question (fredtoast)

yes if you put on the crv pulley you can boost up to 10 lbs
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Old Nov 28, 2002 | 07:49 AM
  #6  
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From: Bay AREA, CA, USA
Default Re: crankshaft pulley question (salbaje)

contact Jim Helbring fromMotorvation Motorsports, email him at wheelking@webtv.net or call him @ 205-661-3600 ...i'm planning on upgrading the boost on my charger with one of his stepper pulley's. you can also try the crv crankshaft pulley. contact jackson to see if it will work. i've emailed them about producing a boost up grade for the itr and ls motors several times.
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Old Nov 28, 2002 | 10:52 AM
  #7  
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Default Re: crankshaft pulley question (passinUby)

JR has other pulleys you can put on the supercharger....

more boost = more headaches = more broken parts
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