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| Slant Marine Rebuild https://slantsix.org/forum/viewtopic.php?t=23613 |
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| Author: | mack0238 [ Sat Jun 16, 2007 8:32 am ] |
| Post subject: | Slant Marine Rebuild |
Hey everyone, I am rebuilding a 225 out of a '75 Dart Sport for my first engine rebuild (with the help of a mechanic of course:). I am looking to purchase the BEST re-build kit out there and more specifically a Marine-rebuild kit. (stainless head gasket?, marine cam? marine manifold?) I want to take this slant and put it in a pontoon. Does anyone have suggestions on who to buy the kit from and if they may have a marine conversion kit?? Thanks! -Pete from Minnesota |
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| Author: | SlantSixDan [ Sat Jun 16, 2007 9:07 am ] |
| Post subject: | |
Judging by my Chrysler Marine parts books, the marine slant-6 doesn't seem to have used a stainless steel head gasket. The "Marine cam" was nothing more or less than what became the stock '71-'80 roadgoing cam (244°/244°/0.414"/26°). The "marine manifold" on the intake side was either a 1bbl or a 2bbl very similar to the roadgoing units. The marine exhaust manifold, water pump, oil pan, alternator and distributor were all significantly different from the roadgoing units, and I fear you will have trouble finding these pieces today. The alternator and distributor are no big deal, you can get a marinized alternator and use a passenger car distributor. But the external water pump, the engine block water pump blockoff plate (shown in this thread), the marine exhaust manifold, and the marine oil pan are probably going to be hard to find. The internal components as found in a rebuild kit (bearings, timing chain, rings, etc.) are pretty much the same in the marine vs. roadgoing engines. |
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| Author: | mack0238 [ Sat Jun 16, 2007 11:09 am ] |
| Post subject: | |
Thanks for the info! Where did you get your Chrysler Marine Parts book? Before I start, I want to make sure I don't forget an "achille's heal" upgrade that is going to go-out once I get it up and running. |
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| Author: | SlantSixDan [ Sat Jun 16, 2007 11:26 am ] |
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Quote: Thanks for the info!
Got 'em from here. The model you're after is "M225". There's a variant of the 318 with the number "225" in its model designator; that refers to horsepower, not to displacement. The 6-cylinder parts manuals are near the bottom of the page, and they are all pretty similar regardless of year, so you needn't buy 'em all like I did :-\
Where did you get your Chrysler Marine Parts book? |
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| Author: | Andy's GT [ Sat Jun 16, 2007 11:37 am ] |
| Post subject: | |
welcome to the board, i think that someday quite a ways a way i would like to tinker with a slant powered airboat, one of those with the huge fan thing on the back and rudders that direct the air, i dont think i would need as much modification as your setup since mine will be up above the water, not right by it, but good luck with this project, ill be interested to follow it and maybe even help with a bit of advice, although compared to most people on here im a novice, dan, looking at a boat that the owner says has two inboard 225 engines, the boat is a carver cabin cruiser, do you know if those came with slants or if they are more likely to be 318s like you said, or normal boat motors? havent gotten in touch with the owner yet, but that would be fun to pull with our a100 once we get it together: 675 chrysler cubic inches! thanks |
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| Author: | SlantSixDan [ Sat Jun 16, 2007 11:54 am ] |
| Post subject: | |
Could easily be twin 225 Sixes, either slanted or laid over on their sides (the "SpaceSaver" model). |
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| Author: | Andy's GT [ Sat Jun 16, 2007 12:00 pm ] |
| Post subject: | |
Quote: Could easily be twin 225 Sixes, either slanted or laid over on their sides (the "SpaceSaver" model). wha? are these chrysler slants youre referring to? thanks dan |
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| Author: | SlantSixDan [ Sat Jun 16, 2007 12:17 pm ] |
| Post subject: | |
Yup. To lower the engine height, Chrysler Marine engineers tilted the 225 the rest of the way over so the cylinders were horizontal. A special L-bend oil sump and pickup were used, together with a 60°-wedge intake manifold adaptor. The intake manifold lay with its principal plane horizontal and parallel to the engine block's principal plane. |
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| Author: | Andy's GT [ Sat Jun 16, 2007 12:28 pm ] |
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wow, learn something new every day! thanks for the info dan |
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| Author: | mack0238 [ Sat Jun 16, 2007 12:45 pm ] |
| Post subject: | |
Well, here i go, I just ordered the marine manual, and I'm going to start tearing her down tonight and deciding what I'm going to rebuild her with. Thanks for the help, I'll let you know how it's going. |
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| Author: | Rug_Trucker [ Sun Jun 17, 2007 7:31 am ] |
| Post subject: | |
Quote: Could easily be twin 225 Sixes, either slanted or laid over on their sides (the "SpaceSaver" model).
I gotta see pics of this!
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| Author: | Andy's GT [ Sun Jun 17, 2007 7:51 am ] |
| Post subject: | |
unfortunately, we called the owner and apparently they are 225 hp, not ci, so not sure if they are 318s, gonna try to check it out sometime soon, i too would love to see pics of this space saver setup |
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| Author: | mack0238 [ Mon Jun 18, 2007 3:15 pm ] |
| Post subject: | |
Does anyone know if I'm better off ordering a specific re-build kit with a specific-made camshaft, (Marine engine camshaft #E7885M specs in my case) or looking to try to buy that specific cam from somewhere? Does anyone sell them? thanks |
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| Author: | SlantSixDan [ Mon Jun 18, 2007 3:49 pm ] |
| Post subject: | |
Quote: Does anyone know if I'm better off ordering a specific re-build kit with a specific-made camshaft, (Marine engine camshaft #E7885M specs in my case) or looking to try to buy that specific cam from somewhere? Does anyone sell them?
Please go back and read the 2nd post in this thread for camshaft information.You'd be better off getting in on the Erson group buy and having a cam custom-ground. |
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| Author: | mack0238 [ Tue Jun 19, 2007 11:09 am ] |
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Ok, so does the Erson "group buy" mean that everyone is waiting to order at a certain time, or should I just call and tell them that I've heard of them through Slantsix.org? |
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