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A Crazy Question, 5 Cyl Iron Block:


Swedish Mike

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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? :D

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

Well, you can get anything in China if you are willing to pay - including one test block! Like I said, if there were specs and 3D models, I can get it quoted. I know two places about 90 mins from Hong Kong that might be able to quote it. They both make blocks/head/cranks for diesel trucks (including Volvo).

Scott C.

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Forgot, there is one more problem with this. A steel cylinder pack in a alu block need to be sealed in the bottom.

Maybe using some sort of gasket, glue or other solution, a water leak into crank case would damage a lot.

A moving soft alu block at high revs/boost might be hard to seal, hmm...

You maybe want to hear another block solution I´m working at? For drag only.

/Mike

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Well, you can get anything in China is you are willing to pay - including one test block! Like I said, if there were specs and 3D models, I can get it quoted. I know two places about 90 mins from Hong Kong that might be able to quote it. They both make blocks/head/cranks for diesel trucks (including Volvo).

Scott C.

For this cylinder pack we would need C-C between cylinders, height, inner diameter and wall thickness. That´s all for making a CAD file right?

/Mike

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For this cylinder pack we would need C-C between cylinders, height, inner diameter and wall thickness. That´s all for making a CAD file right?

/Mike

pretty much, then some provision to secure it to the block at hte bottom.
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Mike let us hear your ideas.

You are the man when it comes to crazy stuff. But all nice cool and good.

Thor

This is crazy enough. I shaved off the block 30 mm to get rid of the weak block top, the stud threads started 30 mm down the hole, never touched them.

Made a 30 mm alu plate (T6 I think) and made holes like a big head gasket.

Mounted the plate on top of the block and took up the cylinders to 85 mm bore (81 stock), ordered custom sleeves, 85 mm outside and 80 mm inner. Kept a "step" in the bottom of the cylinders for sleeve support.

Did it work? Don´t know, never used it. No cooling? Nope, made for methanol, cooling in head only. :)

pretty much, then some provision to secure it to the block at hte bottom.

Agree, that´s the hard part. :(

/Mike

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This is crazy enough. I shaved off the block 30 mm to get rid of the weak block top, the stud threads started 30 mm down the hole, never touched them.

Made a 30 mm alu plate (T6 I think) and made holes like a big head gasket.

Mounted the plate on top of the block and took up the cylinders to 85 mm bore (81 stock), ordered custom sleeves, 85 mm outside and 80 mm inner. Kept a "step" in the bottom of the cylinders for sleeve support.

Did it work? Don´t know, never used it. No cooling? Nope, made for methanol, cooling in head only. :)

/Mike

Seems like it might work? Could drill the plate for coolant holes too if you wanted. Why didn't you use it?

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Seems like it might work? Could drill the plate for coolant holes too if you wanted. Why didn't you use it?

No need yet, no real trailer queen car, we build street able cars most of the time.

Yeah, might add some coolant holes but that´s scary cause it might boil if I add a few small ones and the water is standing still too much. You need the flow to make it work and it´s hard to know before you start it up. :(

Forgot to tell you about the plate design. The steel sleeve goes through both new plate and stock cylinder, no edge.

/Mike

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Man... A methanol block? Why ask the crazy questions when you're the one with all the crazy answers? :P

When I come up on some "real" money I'll know who to ask the "crazy" questions.

You are welcome to do that, just rob a bank. :) I just wanted to know if we had some crazy CNC guy here or someone with contacts.

/Mike

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For this cylinder pack we would need C-C between cylinders, height, inner diameter and wall thickness. That´s all for making a CAD file right?

/Mike

Mike - pretty much that is it. I mean, I could just give them a stock block and say "build that". But wouldn't they spec in the existing flaws suchs as skimpy wall thickness, etc.?

Scott C.

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Mike - pretty much that is it. I mean, I could just give them a stock block and say "build that". But wouldn't they spec in the existing flaws suchs as skimpy wall thickness, etc.?

Scott C.

They might, better to give them a CAD file as you said, never mention what it´s for. :)

A bit scared of China quality, I think I would make a piece like this over here or in US, not that hard/expensive.

/Mike

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