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Thread: Merc V6 History
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07-07-2013, 07:36 PM #76
How cool is that.
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07-07-2013, 08:09 PM #77
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07-07-2013, 08:15 PM #78> Stainless steel Merc cowling plates - $110 shipped TYD - LINK <
1979 16' Action Marine/2.5L Merc S3000 - Metalflake Maniac
1984 18' Contender Tunnel/2.4 Merc Bridgeport
"Where does the love of God go, when the waves turn the minutes to hours?"
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07-07-2013, 08:18 PM #79
Sitting upside down balanced on the flywheel.... We should find an engine stand for Old Blue... She deserves it.
Cawley
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07-07-2013, 09:08 PM #80Thanks,
Tim Bostic
Hoss Marine Propellers
www.hossprops.com
918-479-5167 (shop)
Pugh Hydro w/260 Merc - 12" mid
1987 XB2002 Allison w/2.4 EFI Merc - 15" mid
1985 XR2002 Allison w/2.4 EFI Merc - 12" mid (Restoration Project)
"New" - 1987 XTB21 Allison (Refurbished at the Factory!!!!) w/'99-225 ProMax Merc
Top Speed Blog - http://www.screamandfly.com/blog.php...OSS-quot-Style
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07-07-2013, 09:18 PM #81
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07-07-2013, 09:26 PM #82
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07-07-2013, 11:25 PM #83
Raceman: I just hooked on to this thread and saw your post about Billy Dupree.. He was the real deal. One of Mr. K's right hand men. I heard he was hired on for the NASCAR project, along with a big guy with black hair that could spin a lug wrench faster than anyone. Can't remember his name here in the fog..Gene Lanham or Olgator might. Billy was the factory rep for the dealer I worked at in 58-59 in South Miami. Everyone liked him..I didn't see him much after 59-60. He may have left the company.
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07-08-2013, 06:33 AM #845000 RPM
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Spark Plug wire holder.
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07-08-2013, 06:35 AM #855000 RPM
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This one used the IL 6 ignition system, switch box was remote mounted
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07-08-2013, 03:22 PM #86
It would be really cool to see that run again
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07-08-2013, 04:49 PM #87
Awesome thread, please keep it coming And I am with the capt, Old Blue needs to run again
22' Activator w/ 250xs Merc Opti, back home again
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07-08-2013, 06:28 PM #88Thanks,
Tim Bostic
Hoss Marine Propellers
www.hossprops.com
918-479-5167 (shop)
Pugh Hydro w/260 Merc - 12" mid
1987 XB2002 Allison w/2.4 EFI Merc - 15" mid
1985 XR2002 Allison w/2.4 EFI Merc - 12" mid (Restoration Project)
"New" - 1987 XTB21 Allison (Refurbished at the Factory!!!!) w/'99-225 ProMax Merc
Top Speed Blog - http://www.screamandfly.com/blog.php...OSS-quot-Style
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07-08-2013, 06:34 PM #89
Last edited by HStream1; 07-08-2013 at 06:38 PM.
Bud Conner "Heathen" "Defending Our Constitution"
FOR ALL ENGINE APPLICATIONS
DRY Film Lubricant for Piston Skirts & Cranks + Thermal Barrier Ceramic Coatings for Piston Tops, Combustion Chambers, Valves etc !!
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07-08-2013, 06:52 PM #905000 RPM
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Since we’re talking about “Old Blue” I guess I’ll tell you more about her. This is getting a little ahead of the story but I guess it fits in.
When we got the first block casting from Eck Foundry, which must have been somewhere around mid ‘71, the shop foreman decided he wanted to do a complete layout on it. He didn’t want to get part way machined only to find out there wasn’t enough stock on some area, so he had it completely sprayed with blue Dykem layout fluid. I suppose it would have been hard to remove after machining so we just had a blue block and at some point along the way we got to calling her “Old Blue”.
Now I wanted to get her up and running as fast as possible because I had learned from past experience that upper management often changed their mind about projects and would cancel them if they had the slightest doubt about it. They could be very fickle. So if there were certain parts I couldn’t get to build those first engines, I used whatever would work. For instance, our carbs from Tillitson were a long way off so I used OMC V4 carbs instead. The reed blocks were from a West Bend engine. The entire ignition system was stock Merc inline six with belt driven distributor. In fact , it was originally intended to go into production with the distributor but that was all changed over at the last minute to the 6 coil setup which caused a significant delay in production startup.
Anyway, we got her built up, put her on the dyno, pushed the starter and she fired right up. That’s always very satisfying to have a brand new engine do what its supposed to right off the bat. Ran her for awhile at low throttle settings and then took her off and tore it all down. I wanted to see if there were any areas showing distress. Everything looked good so we put her back on and proceeded with our test program. Peak horsepower was about 155 at a modest 5000 RPM. I had purposely kept the exhaust ports low for starters because it’s a lot easier to take metal off than to put it on. At some point later in the test program it was decided to up the port timing and see what she would do. We notched the piston leading edge to do this. The first cut produced 175 HP at about 5500 RPM and another gave 204 HP at just over 6000 RPM and still climbing. She really responded to exh port timing.
Old Blue went on to have many tests of all types run on her but eventually, as production hardware came online things shifted away from the early sand cast engines and she took a back seat. At some point there she disappeared and I lost track of her and assumed she had been scraped out.
About 20 years later (1995) I was working on Mercurys’ ill-fated PWC project and they had moved the group into plant 64 over on the Fox river in Oshkosh. The building had been essentially vacant for some time and was being used mainly for storage. One day I was down in the basement area looking for something when I noticed off in a dark corner an engine on a pushcart that looked familiar. As I got closer there was Old Blue. I couldn’t believe it. She looked terrible. Her heads were missing. There were tubes and wires hanging all over, obviously from the last test that was run on her. But there was Old Blue. She had survived.
Well I couldn’t just leave her like that so I took her upstairs into the tech assembly area and spent several lunch hours cleaning her up. I lubed up the cylinder walls, turned the crank several times to spread it around. I couldn’t find any sand cast heads to put on but I made some calls to the service people and they came up with a couple diecast heads that fit. These had to have the bolts on the cylinder wall like all the early engines. I cleaned her up as best I could but then didn’t know what to do with her. Shortly after that the entire group was moved to Hartford where the PWC production line was being set up. I didn’t want to take Old Blue down there for fear she would eventually get scraped out. So I left her there at plant 64. Apparently that’s where JFL found her and you know the rest of the story. I hope she eventually finds a proper home.Last edited by rckid74; 12-30-2017 at 11:03 AM.