An engine that shouldn't exist should have some history of where it came from!
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| Slant 6 Powered boat in NY https://slantsix.org/forum/viewtopic.php?t=68694 |
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| Author: | Greg Ondayko [ Wed Jul 08, 2026 6:49 am ] |
| Post subject: | Slant 6 Powered boat in NY |
I have no association with vehile sale or seller. It appears to have a marine equipped slant 6! https://www.craigslist.org/view/d/manch ... r5Mwzuigdo Greg |
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| Author: | Dart270 [ Wed Jul 08, 2026 12:08 pm ] |
| Post subject: | Re: Slant 6 Powered boat in NY |
Cool. The block appears to be quite different than any car/truck 225 block I have seen. Big ribs and bulges and/or lifter oiling passages (??) on the side shown in the engine pic. If I wanted to grind up a bunch of money and time, or maybe if I lived on a lake, I'd buy that thing. Lou |
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| Author: | SlantSixDan [ Wed Jul 08, 2026 1:58 pm ] |
| Post subject: | Re: Slant 6 Powered boat in NY |
Um. This what we're looking at should not exist. It is an aluminum 225 in boat service. Never a factory deal for obvious reasons (corrosion, OMG). Somebody at some point went and fetched a used 225 out of a wrecking yard and swapped all the marine bolt-ons onto it (except the distributor, as it seems; that's a roadgoing one, not a marine one). I would worry hard about this block's internal condition. Those "big ridges" are, yup, the first-version aluminum block's bosses for lifter oiling passages – never used in factory production; the (very good) idea of using hydraulic lifters was abandoned for cost reasons when they decided the much greater expansion of aluminum vs. iron wasn't going to affect cold vs. hot valve lash badly enough to make the engine commercially unacceptable. Something else doesn't quite add up here: it's advertised as a 1961-model boat, but in 1961 the marinized Slant-6 was still a few years in the future. Maybe the boat was built with some other kind of engine. All of that might help explain another anomaly: this engine is painted Chrysler engine blue, or damn near – a colour which didn't exist when this boat was built. |
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| Author: | Rick Covalt [ Wed Jul 08, 2026 7:24 pm ] |
| Post subject: | Re: Slant 6 Powered boat in NY |
An engine that shouldn't exist should have some history of where it came from!
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| Author: | Greg Ondayko [ Wed Jul 08, 2026 7:36 pm ] |
| Post subject: | Re: Slant 6 Powered boat in NY |
Thanks for all of the detailed information Dan! Some slanted marine collebery there for sure! Greg |
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