Lextreme II
Just call me "Lex"
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Its not neccessary for general or mild applications. However, I think it would be a nice addition for wild 1 or 3UZFE applications.
Engine Girdle
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The 1UZFE EGR Delete Kit is available for sale here.
my thought on crank scrapers is that there are more effecient methods to keep oil off the crank. there are ceramic coatings for the crank and rods that keep heavy oil from accumulating and keeping parasitic loss down. a ceramic coating also doesnt need to be reengineered for every engine, like a crank scraper would be. as for windage, that could be useful if an engine doesnt have ceramic coatings.
yes, i like ceramics, they have alot of good qualities, and some bad ones. i see absoluteley no problem with coating a crank shaft as long as you use the coating that will do whats needed, shed oil off the crank shaft, a crank scraper wouldnt remove oil from the whole crank. a windage tray eliminate the need for either, as you said.
SC400TT
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David:
Where are you with the process of this girdle?
Ryan
Where are you with the process of this girdle?
Ryan
LondonBenji
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Intrestingly I have just been reading up on this very subject and I think I know exactly where that LS1 engine/crank girdle comes from.
I was wondering how this could be applied to the 1UZFE engine to avoid the potential of the block cracking at high power levels (800-1000bhp+). Would this actually help? Where would it shift that figure?
Would it be possible to design the girdle to be a crank scraper/windage preventor at the same time? What are peoples thoughts on crank scrapers/windage preventing?
I was wondering how this could be applied to the 1UZFE engine to avoid the potential of the block cracking at high power levels (800-1000bhp+). Would this actually help? Where would it shift that figure?
Would it be possible to design the girdle to be a crank scraper/windage preventor at the same time? What are peoples thoughts on crank scrapers/windage preventing?
BARRY
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does the 1UZ or 3UZ have block flex issues at high rpms? or is it crank flex?
my thought on crank scrapers is that there are more effecient methods to keep oil off the crank. there are ceramic coatings for the crank and rods that keep heavy oil from accumulating and keeping parasitic loss down. a ceramic coating also doesnt need to be reengineered for every engine, like a crank scraper would be. as for windage, that could be useful if an engine doesnt have ceramic coatings.
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rytherwr
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Too right, Rod....2uz is the same....crank is isolated from flying oil by the configuration of the windage tray.
Wayne
Wayne
yes, i like ceramics, they have alot of good qualities, and some bad ones. i see absoluteley no problem with coating a crank shaft as long as you use the coating that will do whats needed, shed oil off the crank shaft, a crank scraper wouldnt remove oil from the whole crank. a windage tray eliminate the need for either, as you said.
LondonBenji
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Okay, so would it be possible to build a engine girdle without interfering with the windage tray, baring in mind I don't have much of a visual image of the design of the windage tray and how it works and how an engine girdle would be design for these specific series of engines.
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milnersXcoupe
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Engine Girdle Construction Considerations
Excerpt from www.Bulltear.com forum for AMC: http://tinyurl.com/235p7a
AMC block is cast Iron - yet materials considerations are valid for a Toyota Alloy Engine.
"Well they may have a couple of issues."
"One is that the expansion rate MUST be the same as the stock cap.
1045 is the popular choice of material and it has a co-efficient of thermal expansion that is VERY close to the stock caps and block, 212 - 750 deg F. is 5.9-7.5 (per pro grams specs) Which is probly heat treated.
When you use a plasma or lasered piece and it expands much greater than those numbers (mild steel) then your nuts will loosen.
Material stability is another one...mild steel will dance under the heat due to the stresses (unless stress relieved) and for that length and thickness of material if it is indeed mild steel it can cause bearing issues.
All this considering the machinist hasn't done his math on the material involved. :boggled:
Other considerations would be the flatness of the material.
Blanchard grinding give materials a ultra flat surface, better than just a machined surface.
The holes should also be VERY close to .500. Hopefully all this is integrated into this item."
Excerpt from www.Bulltear.com forum for AMC: http://tinyurl.com/235p7a
AMC block is cast Iron - yet materials considerations are valid for a Toyota Alloy Engine.
"Well they may have a couple of issues."
"One is that the expansion rate MUST be the same as the stock cap.
1045 is the popular choice of material and it has a co-efficient of thermal expansion that is VERY close to the stock caps and block, 212 - 750 deg F. is 5.9-7.5 (per pro grams specs) Which is probly heat treated.
When you use a plasma or lasered piece and it expands much greater than those numbers (mild steel) then your nuts will loosen.
Material stability is another one...mild steel will dance under the heat due to the stresses (unless stress relieved) and for that length and thickness of material if it is indeed mild steel it can cause bearing issues.
All this considering the machinist hasn't done his math on the material involved. :boggled:
Other considerations would be the flatness of the material.
Blanchard grinding give materials a ultra flat surface, better than just a machined surface.
The holes should also be VERY close to .500. Hopefully all this is integrated into this item."
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