Blah blah blah, just put the pulley on and enjoy.
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Dave.0 Helix & RMW PoweredLifetime Supporter
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Step 1. Grow a pair
Step 2. Install pulley
Step 3. Go have fun-
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ScottinBend Space CowboySupporting Member
From what I understand because the JCW uses a smaller pulley, CARB isn't a concern for a pulley swap.
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Firebro17 Dazed, but not ConfusedLifetime Supporter
- Sep 18, 2010
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OK, so one quick call later and I believe I can address the original question with relative affirmation. A smog technician typically is only looking at modifications such as headers, intakes and any extra hoses and/or other "foriegn" lines running around the engine that don't appear to be OEM for the particular vehicle they are inspecting. That said, in the instance of an intake for example, some are CARB legal and some are not. They will be stickered appropriately so as to reaffirm their legality to the technician. K&N intakes are typically OK as a CARB legal part. In my case, I originally added a DDM Works intake, but opted to go with a gutted JCW intake so as to avoid the question... Now I'm not saying I believe DDM to not be CARB legal, I don't remember for sure. I'm saying I wanted to avoid the question when inspection time came around, so I opted for an OEM part. Additionally, when I added my catch can, I was careful to add it inline wihout disrupting the OEM flow, so to speak. The MSD coil pack I installed came with a CARB sticker which I affixed to the inner firewall. My exhaust is a JCW so I have no issues there either.
Pulleys are not on the radar and it's likely that this mod will never be detected. As was stated above, I too believe the JCW has a reduction pulley as a stock alteration. If you're looking at adding a header, I'd suggest contacting RMW or another reputable tuner to get their take on that particular modification.
I say go for the pulley change, and any others you can put together, and enjoy!Attached Files:
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/endthread-
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Firebro17 Dazed, but not ConfusedLifetime Supporter
- Sep 18, 2010
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Anyway, I just ordered my own 16% WMW pulley, so I guess I'll at least be taking some high-heat range spray paint to that sucker...
Man I really dislike the visual inspection aspect of all this, it really should just be up to the actual emissions your car produces....-
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kazlot It's the journey.....Lifetime Supporter
The way the law reads any modification with out a CARB exception number is an automatic fail even if the emissions are reduced.
The Bay Area is pretty laid back compared to the Los Angles area.
The story is that if you're stopped they'll look for non-stock parts so that they can issue fix-it tickets.
Hope this helps...-
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Words of wisdom from AEN, "what me worry"
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Firebro17 Dazed, but not ConfusedLifetime Supporter
- Sep 18, 2010
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- Retired CAL FIRE Battalion Chief
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I have a 16% reduction pulley on my '05 R53. While I've never heard of this, I'm sure it could be so. Anything's possible out here. I've never had an issue with passing smog and have never had a smog technician ask a question regarding pulleys. Any mods made where a red flag may arise have been done so as to not draw any extra attention.
I will ask the question to a couple of reputable sources and drop back to let you know what I find out. -
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Apok New Member
- Jun 15, 2013
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From what I understand it is a foreign country. Seemed nice when I visited many years ago.
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