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Originally Posted by clg82
Thanks for the response radz you're always informative! How did you find out the CARB approval was only a few months out?
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It's my pleasure. I'm glad it's at least a little helpful. I reached out directly to Magnuson. There was a problem with the validation car, so it seems like they had to almost start over, to a degree. They bought a ZL1, and it sounds like that car is now the validation car.
I read a snippet somewhere about one of the tests the companies have to go through. This test was where the car was sealed in a building for some length of time and CARB would monitor fuel emissions from various parts of the car. This could be partially why CAIs don't pass that often. I know some cars have forms of charcoal filtering in air cleaners, and this starts making sense. This is just one of the many tests. It sounds like it can cost somewhere to $50K to certify!!! Jesus...
Quote:
Originally Posted by airtroop01
@radz28 - Your posts have been interesting to read so thanks for taking the time to share. It was a large part in my decision to go the same path having a California car and similar goals in mind.
Still waiting for my Maggy 2650R to ship out… purchased through CSP Racing; week 5 already.
While the 100% CARB compliant Maggy tune is with the stock TB and stock airbox, I intend to get a custom tune and run with the 103 snout, NW 103TB and a RF Big Gulp. I also added a JMS/Lingenfelter fuel booster for safety.
The intake parts are easy enough to swap out over a weekend and reflash the CARB tune and put some miles on it before an inspection.
Exhaust and in particular the cats are problematic for making power at this level.
I would run high flow cats but that’s a no go so… while I try to do the right thing by the environment I may be looking into obtaining a spare set of cats to hollow out just because the lawmakers are not being reasonable either and it force’s ones hand to do things a certain way.
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That is who I went with, and though it took about 2-months to get, I saved a butt-tonne of money, so it was worth it. They were great with me, and it went exactly how they said it would. That was RIGHT before this COVID BS. I imagine it's not as fast now, and that sucks, but they did me right with pricing. I am grateful for that. I'm not sure what they've shared with you as far as shipping and all that, but I'm happy to share my experience more, if it is helpful.
I like the sound of everything you're planning. I'm considering it, but was concerned about hearing something about a flash-count, that apparently, smog shops might have to evaluate. That detail seems to conflict a little with other information that seems to be coming out, but I'm not too sure what to believe. As you already said - all that stuff is easily swapped out when it's necessary. I really believe all that stuff is actually effective and worth the trouble, if you're trying to make the most, of what we can reasonably, with this blower. I am a firm believer there is a lot left to optimize in the tune, and am sure I can prove it eventually.
I've been pondering mod'ing the cat' pipes. Someone posted adding the newer high-flow cats', and I think someone else overseas posted replacing the OEM cats', with the same high-flow cats', and all the intermediate pipes from the manifold flanges to the outlets that connect to the large intermediate pipe section that goes to the muffler. I've seen someone here say (JRE I think) that after about 650-RWHP, the OEM cats' start choking (so-to-speak), and a lot of heat starts to work it's way back up and into the exhaust ports and eventually the combustion chambers, requiring pulling timing back, and lowering torque (power). Anyways - I've been thinking about replacing all those little pinched manifold-connection pipes with better 2.5-3" pipes (if possible) and using the OEM-cats'. It's probably not worth the effort, but sometimes I just have to find out for myself.
It's for guys like you that I try to post what I do. No one else, really, is going to give a toss about this combination, and I don't really blame them. No one else, really, has to put up with the BS we have to in this state. I can't leave, and I'm not getting rid of this car, so this was the direction that gave me what I wanted. It's not for many others outside of CA. But - if it helps anyone, it's worth the hours I've used to try to offer value out of all my babble.