Thread: THM400 248/148 vs 275/157 results.
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Old 03-25-2023, 01:37 PM
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beemergary beemergary is offline
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Default THM400 248/148 vs 275/157 results.
After crossing off the new bathtub intake from my bucket list I lost .500 et. Its in my 60ft. -1/8mi. Did some mods to intake and got .250 back but want more. Don't really want to spin my 421sd more. Thanks

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