The holes are done! I found that a 1.25 conduit punch (actual diameter approx 1.7) just fits inside the boot. Had to drill a 3/4" hole for the knockout punch mandrel, then used the punch to cut a clean circle in the firewall and the interior insulation.
Eric
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"Everybody has a plan until they get punched in the mouth" noted philosopher Mike Tyson
Life begins at the end of your comfort zone.
“The mind, once stretched by a new idea, never returns to its original dimensions.”
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