Mike,
First off, I personally appreciate the issues at hand. The timing is tough. The ITAC knows it and the CRB knows it. The CRB has heard the shouting and has verified agin with Finch that the 27mm SIR is the right size for the 220hp target.
Second, it is clear that you aren't fully up to speed on SIR technology. It is not simply a 66% reduction in airflow like a 27mm flat-plate would be. Two TOTALLY different technologies. When talking with "BMW Supplier" #1, who said the car wouldn't even run, it is clear that they also don't understand SIR technology, or it wasn't expalined to them properly. I can see how you could get that response if the question was "what is a 27mm restrictor plate gonna do to my power?" was the question.
Thirdly, where is the info that the second shop came up with? They tried the 27mm SIR and the results were bad? Where are they? Any interest in having them send the before and after results, plus a description of the parts they used to install the set-up? crb AT scca.com Simple.
Both vendors said the SCCA didn't do their homework? Haven't received any letter from anyone but Bimmerworld and they made no mention of having ANY experience with SIR's and no data or theory to support their skeptisism. The opposite is true with the CRB - they worked with Finch to size it and (yes, I know) in theory it (the SIR) doesn't care what application it is in.
We have ZERO letters from anyone telling us why 27mm is wrong, suggesting any 'corrections' in the context of SIR's, or helping us 'understand the issues'. Just complaints.
I will be the first one to stand up and say we screwed the pooch if the testing (which is scheduled now on an E36 and warmly accepted by anyone who actually has data) shows too much power is being taken away. I would hope all of the people who have said the CRB is crazy and the sizing is way low would stand up and say they over-reacted if/when the power numbers are correct. Frankly, if it's OVER-sized, ya'll will be the first ones to write in and say you are making too much than the target, right?
Again, I understand the timing sucks - and the perception it's a shot in the dark -but the CRB is ULTRA confident that this is sized right AND it's the right thing to do for the class/car.
AB
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