ajhehr Posted August 27, 2006 Report Share Posted August 27, 2006 They don´t crack, they expand, looks like a trumphet. Cracks would be easier to solve.My guess is that they expand because lack of support, the soft alu around is not good enough.Eric: Most of his stuff is copies of Kohler Racing stuff and Kohler engines win races.Most of Parners crazy stuff never reach the customer.ajhehr: Yeah, I would copy the stock block but remove water pump housing and a few other parts to make it easier to make. And of course, change the area around the cylinders./Mikeand what would you change about the cylinder design? Link to comment Share on other sites More sharing options...
Che'_Moderator Posted August 27, 2006 Report Share Posted August 27, 2006 and what would you change about the cylinder design?LOL. The unsupported open deck would need to be addressed. Would also require casting to do it correctly. Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 and what would you change about the cylinder design?As charles said, fill the open area around the cylinders and use old school water "lines".In an steel block I would use a design like the old redblocks or Skyline/Supra, a regular steelblock with water outside the cylinder support.I started this thread just to see if any of you had a father, friend or knew a company that made crazy stuff like this.Don´t take it to serious, I wont pay 25K for a block, would use a 16V redblock instead and leave the beautiful I5. /Mike Link to comment Share on other sites More sharing options...
Johann Posted August 27, 2006 Report Share Posted August 27, 2006 Can't you make a one piece/5 sleeve plus deck design to fit the original outer casting?MORE LIKE A DARTON SLEEVE BUT WITH 5 CYLINDERS INSTEAD OF ONE? (Sorry for the caps) Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 Can't you make a one piece/5 sleeve plus deck design to fit the original outer casting?MORE LIKE A DARTON SLEEVE BUT WITH 5 CYLINDERS INSTEAD OF ONE? (Sorry for the caps)Could be done but a lot of work and cash, you need to machine the block to fit the new cylinder block and make the block from a piece of steel. When this is done we probably kill the head stud threads instead.. Damn alu.../MikeEdit: You mean like this -> http://www.stenparnermotor.se/ Link to comment Share on other sites More sharing options...
Johann Posted August 27, 2006 Report Share Posted August 27, 2006 Could be done but a lot of work and cash, you need to machine the block to fit the new cylinder block and make the block from a piece of steel. When this is done we probably kill the head stud threads instead.. Damn alu.../MikeEdit: You mean like this -> http://www.stenparnermotor.se/With modern CNC machinery I think it is easier than making a mould for a cast iron block...What is the problem with the Darton sleeves you think? Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 With modern CNC machinery I think it is easier than making a mould for a cast iron block...What is the problem with the Darton sleeves you think?The problem in other engines with this solution is the height difference from cold to warm engine, alu and iron expand different and a thick piece as this will probably cause trouble, head gasket trouble.Might work but you will mount a hard piece of iron in a soft and weak block, I bet it would cause problems like all the other solutions. If I found a cheap CNC guy I would try it but never spend 10K USD just to test it./Mike Link to comment Share on other sites More sharing options...
Che'_Moderator Posted August 27, 2006 Report Share Posted August 27, 2006 The problem in other engines with this solution is the height difference from cold to warm engine, alu and iron expand different and a thick piece as this will probably cause trouble, head gasket trouble.Might work but you will mount a hard piece of iron in a soft and weak block, I bet it would cause problems like all the other solutions. If I found a cheap CNC guy I would try it but never spend 10K USD just to test it./MikeWhat most of the engines in 700-1200 hp range do here. Sleeve and o-ring Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 What most of the engines in 700-1200 hp range do here. Sleeve and o-ringI aluminum blocks like this?/Mike Link to comment Share on other sites More sharing options...
Che'_Moderator Posted August 27, 2006 Report Share Posted August 27, 2006 I aluminum blocks like this?/MikeYeah. Honda and DSM blocks. They seem to do ok up to 1200ish. And those are 4 bangers. I would not expect a lot of miles off the engine but it will hold. Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 Yeah. Honda and DSM blocks. They seem to do ok up to 1200ish. And those are 4 bangers. I would not expect a lot of miles off the engine but it will hold.Interesting, I will ask around and check how much a company would charge for a job like that./Mike Link to comment Share on other sites More sharing options...
Nathan Posted August 27, 2006 Report Share Posted August 27, 2006 I've toyed with the idea of adding a couple of plates to strengthen an aluminum block. To do it you would need to machine the outside of the cylinders smooth (water jacket side) and inside of the block face, then machine some 1/4 inch thick plates to precisely fit inside the water jacket and around the cylinders. Then tack weld them into place on the edges of the block. with the top one about 3/4 inch down from the top, and a second one an inch lower, they should significantly strengthen the cylinders while still providing room for water to flow and cool the block.The plates would look similar to the plastic part of Ramset powder loads, but with the cylinders in the place of the powder loads. The gaps in the sides of the strips would leave room for water flow through the blockRamset powder strip loadsHEY, as lond as we are thinking, we might as well be inventive. :D Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 I've toyed with the idea of adding a couple of plates to strengthen an aluminum block. To do it you would need to machine the outside of the cylinders smooth (water jacket side) and inside of the block face, then machine some 1/4 inch thick plates to precisely fit inside the water jacket and around the cylinders. Then tack weld them into place on the edges of the block. with the top one about 3/4 inch down from the top, and a second one an inch lower, they should significantly strengthen the cylinders while still providing room for water to flow and cool the block.The plates would look similar to the plastic part of Ramset powder loads, but with the cylinders in the place of the powder loads. The gaps in the sides of the strips would leave room for water flow through the blockRamset powder strip loadsHEY, as lond as we are thinking, we might as well be inventive. We´ve done exactly what you describe. You can read more about it in this thread./Mike Link to comment Share on other sites More sharing options...
ultra_runner Posted August 27, 2006 Report Share Posted August 27, 2006 Mike, I would guess that the cheapest solutions will be companies who outsource plans to China, and there are probably innumerable companies that do that both here and over there...Mike - if you can spec the block and have someone provide the 3D CAD model I can get it quoted in China. I run two factories there so I'm there pretty often and have the right contacts. Group buy??? Scott C. Link to comment Share on other sites More sharing options...
Swedish Mike Posted August 27, 2006 Author Report Share Posted August 27, 2006 Mike - if you can spec the block and have someone provide the 3D CAD model I can get it quoted in China. I run two factories there so I'm there pretty often and have the right contacts. Group buy??? Scott C.I want one and test it first, not sure it will work and a GB with tons of US guys using a bad solution is not good.By the way, how many 800+hp engines are you guys planing? Can the China guys make one for test? Probably same price as making one here, they only make a lot of each part huh?/Mike Link to comment Share on other sites More sharing options...
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