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PCA Member since 1988
Join Date: Feb 2018
Location: SW Washington State
Posts: 4,625
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Tony, now we are getting somewhere! You are starting to answer the original question I asked--which WUR is better to start with?
I already know these two WURs are out of spec--I said that several times. But the 089 does not run lean, it runs rich. And the warmer it gets, the richer it runs. I measured that with my AFR gauge. I know that doesn't make sense, but that is what I measured. I know that I did not do these tests back to back on the same day and same temperature, so maybe something else is causing this strange behavior. I will continue to investigate it.
Now, please go the next step: Is there a better WUR version than the 089 for a normally aspirated 3.0 or larger size engine? And what makes the 089 a better mousetrap than the 033? Please tell me how they are different.
In order to expand my knowledge, I will run the 033 for a few more days and make adjustments.
Thanks in advance, PK
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners.
Cars are for driving. If you want art, get something you can hang on the wall!
Last edited by PeteKz; 05-22-2023 at 03:38 PM..
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