Facts about Evinrude/Johnson racing outboards made my OMC

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Originally Posted by lars strom

Sst-100

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I always thought that a V4 mounted atop a V8 mid and gearcase would have been a bullet proof combo for the hobbyist racer. Too bad the class got a SST label? If it had been called Formula 100, the OMC engine would have had a chance to run against aging 99ci Mercs. That old Merc stuff barely would hold up for 3 mile closed course races. The old style Merc SSM gearcases required miracle mechanics to keep them going. The SST100 package would have dominated. Instead, the SST100 showed up in small pockets of racers who bought the package. I really mulled over the idea a great deal but had too much money wrapped up in Merc equipment to make the jump and the future of OPC racing was starting to be questionable anyway.

Would love to find a top and lower cowl of the SST 100

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Originally Posted by sharpeye Mike

Would love to find a top and lower cowl of the SST 100

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Try Seaway Marine in Seattle WA. They ended up with all of OMC's hiperf racing stuff when OMC folded. BRP didn't want it.

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Originally Posted by sharpeye Mike

Would love to find a top and lower cowl of the SST 100

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Pretty sure Freddie Webb have access to the mold and can build you a set.

If I had an SST-100 rig back in the late 80's I would have pulled it into the pits at an IOGP race. When everyone walked over and said 'you are at the wrong race', I would have said 'no, I am here to run SST-140. Disadvantage? Yes. Make Mercury officials have a hemorrhage? Yes!

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Originally Posted by Mark Poole ModVP

If I had an SST-100 rig back in the late 80's I would have pulled it into the pits at an IOGP race. When everyone walked over and said 'you are at the wrong race', I would have said 'no, I am here to run SST-140. Disadvantage? Yes. Make Mercury officials have a hemorrhage? Yes!

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The same goes for APBA Formula 100 (99.9 ci). OMC SST100s could have run anytime they wanted to but didn't. Only time I can remember where SST100s appeared in any significant numbers were the OPC Nationals in Kankakee? Unfortunately Formula engine technical specs were governed by "tech" committees interested in their own agendas (Brand names). Not at all like the UIM. APBA pawned these conflicts off on the poor event inspectors, owners and drivers. Cowardly.

The sst100 was stock, if it had a few factory mods it would have competed with other 2.0ltr engines
great idea but got swamped

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Originally Posted by powerabout

The sst100 was stock, if it had a few factory mods it would have competed with other 2.0ltr engines
great idea but got swamped

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Greg Jacobsen of Seaway with the help of the Texas Schuberts tried. Got competitive but couldn’t pull off a win, podium finishes, yes. Sounded great. If I’m not mistaken Ron Anderson had some input of engine mods. The V-6 they used was actually the V-6 used in Europe & came from Cees inventory the Greg bought.

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Originally Posted by John Schubert

Greg Jacobsen of Seaway with the help of the Texas Schuberts tried. Got competitive but couldn’t pull off a win, podium finishes, yes. Sounded great. If I’m not mistaken Ron Anderson had some input of engine mods. The V-6 they used was actually the V-6 used in Europe & came from Cees inventory the Greg bought.

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Al told me he modded a few for ski boats on pump gas over 230hp very reliable still on small bore carbs so they have potential

#12 Shelby Love - SST 45-Formula Lights win.
Congratulations.
Cool design.

Thanks.

https://www.screamandfly.com/attachm...1&d=1757948850

Shelby Love.

https://www.screamandfly.com/attachm...0&d=1757957830

Jan de Vreng - Roblin/Johnson
Bristol GP 1980's.

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Johnson High-Performance Products


In 1992, the OMC Performance Group delivered a full-range of hot-performing "racing outboards" from the 15A to SST100. These were not recreational outboards, but rather designed for competition and to meet APBA specifications. Competition enhancements included streamlined gearcases, heavy-duty midsections, beefed-up motor mounts and twin steering arms. To set these motors apart from their recreational brothers, they featured unique motor cover styling and special powerhead machining for improved performance.

The Big Guns – Additionally, OMC offered Limited Edition V-6 and V-8 models for sport boats as well. These motors also featured special graphics, plus cylinder heads machined to the limits of factory specifications. Both Limited Edition outboards were available with an optional hydro-dynamic gearcase with low water pick-up allowing higher transom heights for performance boats. There were also special steering brackets available for multi-engine applications and external steering. Plus, an optional external exhaust snout for a high-performance look and sound.

Even More Performance – Second Effort Performance Products in Lake Hamilton Florida was OMC’s authorized racing center offering a complete range of ulta-high-performance products from special-duty props to complete higher-performance versions of some production engines

https://www.screamandfly.com/attachm...5&d=1758066348

F-Light Roar of the Rockies ‘25 Champions.
1: Shelby Love
2: Mark Schmerbauch
3: Randy Partch

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The 2025 UIM F2 World Championship title..!!..who is going to be the Champ..??

Unique situation for the Swedish boat racing family Wiberg.
Hilmer #70 leading and his sister Mathilda #7 is second..!!
Daddy Andreas must be very proud..

https://powerboat.news/no-team-orders-andreas-wiberg-on-his-childrens-title-battle/?fbclid=IwZnRzaAM3jeJleHRuA2FlbQIxMQABHqet9njNlDSw9uhef3iTt-Rm82w5km_IxxreF_R455Hx1EizSxeqqaZT2een_aem_2qgIJADssSCZlUj7rdPbYQ

https://www.screamandfly.com/attachm...5&d=1758115562
https://www.screamandfly.com/attachm...6&d=1758115840

https://www.screamandfly.com/attachm...7&d=1758115840