IDIT pistons
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More Turbo
Joined: May 2013
Posts: 597
Likes: 2
From: Prague Czech Republic
IDIT pistons
Guys I need as much information as you can provide me on the IDIT pistons, I have something in my head I want to try. I know it has the odd keystone ring, but more I am interested in differences to the regular IDI piston. I want to give it a good try to produce these pistons. Regular compression or the 19:1 compression. I know the wrist pin is larger, but doest it have different swirl pattern? Is it beefier overal or just some areas? Some other changes to the regular piston I am not aware of? Thanks.
Lead Driver
Joined: Apr 2008
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Stock compression height is 1.95", the mahle lowered compression pistons have a 1.94" compression height, and they claime 20 or 20.5:1 instead of 21.5:1 factory compression, same chamber as NA. The turbo piston is bigger around the pin than the NA.
Logistics Pro
Joined: Sep 2007
Posts: 3,737
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From: Western Mass
I think there were some pretty good pictures in the thread about using powerstroke rods.
Best bet would be to get get one of each to compare. I'm sure someone on here has a piston leftover from an engine that bit the big one and could get it to you.
Best bet would be to get get one of each to compare. I'm sure someone on here has a piston leftover from an engine that bit the big one and could get it to you.
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More Turbo
Joined: May 2013
Posts: 597
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From: Prague Czech Republic
The plan is to make the best piston we can have, as the mould will be created for that. It is now only in theory, waiting for a piston with rings from Justin. We now have the rods from PSD, the pistons are next upgrade we need, imagine a turbo piston for 6.9 with bigger wrist pins. Plus any other upgrade we need, this is going to be challenging, but atthe end the fruits might be sweet.
Posting Guru
Joined: Sep 2011
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The plan is to make the best piston we can have, as the mould will be created for that. It is now only in theory, waiting for a piston with rings from Justin. We now have the rods from PSD, the pistons are next upgrade we need, imagine a turbo piston for 6.9 with bigger wrist pins. Plus any other upgrade we need, this is going to be challenging, but atthe end the fruits might be sweet.
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More Turbo
Joined: May 2013
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From: Prague Czech Republic
BTW did u notice we have a 2.8mm decompression gasket made for testing purposes? Have not seen it yet, but it is ready.
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Tuned
Joined: Jul 2010
Posts: 435
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From: Kitimat British columbia
Romel do you plan on getting rid of the keystone rings? And keystones aren't that odd their used lots in industrial engines the only down fall is usually you need speciality tools to measure the ring groove for wear.
Posting Guru
Joined: Sep 2011
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That's awesome! So I take it that both those and the standard compression gaskets are both ready? How much will the decompression gaskets drop compression?
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More Turbo
Joined: May 2013
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From: Prague Czech Republic
I do not see a reason why to use them, unles someone gives me the reason to do so. Had a BMW 2 litre 2010 turbo diesel apart, uses regular rings, no odds. So just regular simple rings. At least that is the plan. Need to get the piston as the sample and then will just ask at few different companies. Did u know half of the German oem pistons are made here? I am looking forward that chalenge. IDIT piston for 6.9 hmm? I can not wait to have them in my engine. But it will take quite a while, do not expect results within few weeks.
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More Turbo
Joined: May 2013
Posts: 597
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From: Prague Czech Republic
No actually I just travel a lot through the country here and so I just get to know interesting people here and there, enthusiasts like us here. Plus I hate to admit something can not be done, I am stubborn as a mule, and I like to fabricate things. I am reading a lot of interesting stuff about engines, theory, the real world, learning a lot.In fact we are about to cast the maybach engine for the WWII german halftrack. So I thought when they will make pistons for that beast, I just sneak in with another idea, nice shiny IDIT pistons. Everything is just a matter of money and effort. It is not a rocket science, just duplicating something that has been done in past, and maybe even improving.
Tuned
Joined: Jul 2010
Posts: 435
Likes: 6
From: Kitimat British columbia
I do not see a reason why to use them, unles someone gives me the reason to do so. Had a BMW 2 litre 2010 turbo diesel apart, uses regular rings, no odds. So just regular simple rings. At least that is the plan. Need to get the piston as the sample and then will just ask at few different companies. Did u know half of the German oem pistons are made here? I am looking forward that chalenge. IDIT piston for 6.9 hmm? I can not wait to have them in my engine. But it will take quite a while, do not expect results within few weeks.
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More Turbo
Joined: May 2013
Posts: 597
Likes: 2
From: Prague Czech Republic
It will take quite a while to get the block made, we have the heads, crankshaft, rods, so we are missing the block, actually we have it but in pieces. Modelers are about to make the sand mould. My friend has a museum of WWII german stuff, leharmilitaryvehicles It is just a friend but I love to participate. The bad part is he is 150 miles away.
Just a test drive
Left is the 18 ton he owns, Does not have the original engine, but he just bought the original V12 Maybach 12 litre engine, I am talking him into puting it in.