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No, I didn't check it, but I did check to make sure that the EGR itself was feeding the intake- I applied suction directly to the valve, and the engine began to stumble and die- as per the TSRM. I assume that shows there is sufficient flow into the intake manifold, but I might just take the EGR...

Ouch-yeah. That'll do it. Glad you found the problem.

Engine timing is at 10btc. O2 sensor is 1 yr. old and operating normally. Time from driving till rollers was always less than 5 minutes. Unsure if the mixture is running lean at all, but it's set at the same setting on MAFT as last year's test. Maybe I'll bump up the part-throttle mixture a...

Now every year, I normally have to do a bit of tweaking to pass emissions, and it's usually with the EGR valve. And as usual, I had high NOx when I tried this year- roughly 1800ppm vs. the allowed ~950ppm. The HC's(and everything else) were easily 20% under max limits. Well, I checked the EGR...

I use this setup, have for 2+ years, never had a problem with it. I don't currently have any other tuning device(aka- SAFR, SAFC), so I'm sure mine's not tuned as well as it could be. However, I have ZERO problems with hesitation, rich-running, or A/F flatspots, at least in the sense of...

I bought mine from Goodson. CHEAP, compared to OEM.

PS- you said that the head was rebuilt- Are you sure that the cam timing is correct? A couple of teeth off, and the car won't hardly run.

I did for two years, no problems. This was at ~ 12lbs boost on stock CT.

30 psi, but you DON'T want to spend money on pistons? I say you make sure you get some really good pistons, rods and bearings for that kind of abuse. Probe pistons are cheaper than others, but I would spend the extra money on having them thermo coated for those kind of boost levels.

You will see pressure on the gauge- it'll take about 10-15 seconds, and it won't be a huge amount.