I want to say that we've been using this straightline boat for 5 to 6 years now and is the same hull used for the B OPC (.45 Stock) record. It's had K&B, Rossi, and for the last 4 or 5 years a CMB EVO power on it. The engine/foot combo is the Irwin 2000 Lawless configuration and, as Lohring said, has a stamped Irwin pipe. The boat it over 20 years old and was modified by Jimmy Johnson before we started using it for straighlines. The 80mph pass was about 3 years ago and that prop was literally worn out to the point where the ears laid back. Since then many experiments have been thrown at it and this past weekend we had the benefit of three days worth of good weather allowing Jimmy along with Chris and Mark Grim to tweak the setup, prop, and engine. The engine that was on there Friday needed wholesale repair on Friday night. All day Saturday and Sunday the boat was running 74, 75, then 76 both ways then a few more ideas were thrown at it and the record passes were, I believe, within 2/10 of each other in the mid 78's. No big pass down wind then being careful into the wind. If you look at the timing sheet speeds were consistent both ways no matter when we were running the boat. That reminds me...kudos to Jimmy as well for A Mod (.21). He ran into some issues on Friday and decided to put the boat on the shelf Saturday to focus on the B Mod record, but he ran the same setup he used to set the current record and ran 66.3 both ways back to back.Any info on that B Mod Tunnel?......engine, boat, etc. 78.5 is smokin. One pass must have been over 80?
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