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Old 06-24-2011   #24
HAWAIIZR-1
 
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Join Date: May 2010
Location: Japan
Posts: 3,106
Default Re: Tuning larger LT-5 cams

Quote:
Originally Posted by rkreigh View Post
I'm facing VA emissions with the big 234 cams (not sure what LPE timed them at). I called Graham for some advice and help. for an emissions profile, he recommended going back to an open loop chip and pulling fuel out to clean up the idle. I have an old LPE closed loop chip, but it was before I had Marc pull the secondaries out which does nothing to help the emissions either I can get the car down to 130 or so HC, but the new standard is 48

soooo........ I'm going to try fresh oil, plugs, cats, and getting an emission chip burned.

I'll need someone in VA that has an exhaust gas analyzer who is willing to work with Marc to do a mail order tune.

any suggestions?? I need to get this done NLT end of July so I need to move out.

HELP!!!!

sorry for the hijack, but it's relavent, and I'll start another thread too.
Ron,

Thanks for posting the question. I only have a 350 with SGC Stage I int/exh cams and not sure how strict the standards are here in Japan. I am getting ready for my first test so I'm all ears to know what helps to pass. I have my still have my stock secondaries and based on Marc's advice about emissions he also burned a chip for me. Thanks for the idea and I'll change my oil and get some new plugs too.
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