Subaru does a diesel boxer engine!
08 February 2007, 01:49 PM
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Subaru does a diesel boxer engine!
08 February 2007, 02:27 PM
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08 February 2007, 02:35 PM
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SIAL = Scooby In A Lake.
A few years back some plonker drove their scooby into frozen lake, for months afterwards, the same pictures/story was posted time and time again.
Ever since then, any story that is a re-post/repeated thread has been referred to as an SIAL.
Hope that helps?
madras
ps. Do a search for Scooby in a lake - you'll soon see the offending vehicle.
A few years back some plonker drove their scooby into frozen lake, for months afterwards, the same pictures/story was posted time and time again.
Ever since then, any story that is a re-post/repeated thread has been referred to as an SIAL.
Hope that helps?
madras
ps. Do a search for Scooby in a lake - you'll soon see the offending vehicle.
08 February 2007, 02:49 PM
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SIAL = Scooby In A Lake.
A few years back some plonker drove their scooby into frozen lake, for months afterwards, the same pictures/story was posted time and time again.
Ever since then, any story that is a re-post/repeated thread has been referred to as an SIAL.
Hope that helps?
madras
ps. Do a search for Scooby in a lake - you'll soon see the offending vehicle.
A few years back some plonker drove their scooby into frozen lake, for months afterwards, the same pictures/story was posted time and time again.
Ever since then, any story that is a re-post/repeated thread has been referred to as an SIAL.
Hope that helps?
madras
ps. Do a search for Scooby in a lake - you'll soon see the offending vehicle.
Thanks Madras
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09 February 2007, 12:37 PM
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Call me the cynic. But the normal high-ouput Subaru boxer engines struggles to keep their big ends intact under heavy loadings. Also Subaru's flamboyant piston designs would need addressing.
The only way I see this working is if they have increased the journal sizes in both width and diameter of the crank, thus lengthening the crank and making it heavier. Also Pistons will have to be thicker walled, and thus heavier. So this engine will be a far cry from its petrol counterparts. Although development of this disel engine, may help Suabru figure out how to push more power out of an already compact bottom end in future petrol engines.
Even though these issue will be addressed, it still will be a design limiting factor, so there is a possibility it won't be able to cope with as much torque or BHP as rivial engines from other manufacturers can - from a aftermarket tuning point of view anyway.
Finally talking of weight, in a front mounted transaxle layout such the Impreza/forrester/Legacy the heavier engine will add to the already excessive noseweight of the cars, it'll probably be on par with the H6 engine in weight. Granted, it will not be as nose-heavy as the likes of the VAG transaxle gearbox/engine layouts.
I look forward to seeing it put in production, as it's a first for Subaru, whom preach over their engine's superlight light coated pistons, short and compact cranksahfts, and lightweight block designs. Where all of these features go completely against the grain when making a reliable high output diesel engine.
The only way I see this working is if they have increased the journal sizes in both width and diameter of the crank, thus lengthening the crank and making it heavier. Also Pistons will have to be thicker walled, and thus heavier. So this engine will be a far cry from its petrol counterparts. Although development of this disel engine, may help Suabru figure out how to push more power out of an already compact bottom end in future petrol engines.
Even though these issue will be addressed, it still will be a design limiting factor, so there is a possibility it won't be able to cope with as much torque or BHP as rivial engines from other manufacturers can - from a aftermarket tuning point of view anyway.
Finally talking of weight, in a front mounted transaxle layout such the Impreza/forrester/Legacy the heavier engine will add to the already excessive noseweight of the cars, it'll probably be on par with the H6 engine in weight. Granted, it will not be as nose-heavy as the likes of the VAG transaxle gearbox/engine layouts.
I look forward to seeing it put in production, as it's a first for Subaru, whom preach over their engine's superlight light coated pistons, short and compact cranksahfts, and lightweight block designs. Where all of these features go completely against the grain when making a reliable high output diesel engine.
09 February 2007, 02:03 PM
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Call me the cynic. But the normal high-ouput Subaru boxer engines struggles to keep their big ends intact under heavy loadings. Also Subaru's flamboyant piston designs would need addressing.
The only way I see this working is if they have increased the journal sizes in both width and diameter of the crank, thus lengthening the crank and making it heavier. Also Pistons will have to be thicker walled, and thus heavier. So this engine will be a far cry from its petrol counterparts. Although development of this disel engine, may help Suabru figure out how to push more power out of an already compact bottom end in future petrol engines.
Even though these issue will be addressed, it still will be a design limiting factor, so there is a possibility it won't be able to cope with as much torque or BHP as rivial engines from other manufacturers can - from a aftermarket tuning point of view anyway.
Finally talking of weight, in a front mounted transaxle layout such the Impreza/forrester/Legacy the heavier engine will add to the already excessive noseweight of the cars, it'll probably be on par with the H6 engine in weight. Granted, it will not be as nose-heavy as the likes of the VAG transaxle gearbox/engine layouts.
I look forward to seeing it put in production, as it's a first for Subaru, whom preach over their engine's superlight light coated pistons, short and compact cranksahfts, and lightweight block designs. Where all of these features go completely against the grain when making a reliable high output diesel engine.
The only way I see this working is if they have increased the journal sizes in both width and diameter of the crank, thus lengthening the crank and making it heavier. Also Pistons will have to be thicker walled, and thus heavier. So this engine will be a far cry from its petrol counterparts. Although development of this disel engine, may help Suabru figure out how to push more power out of an already compact bottom end in future petrol engines.
Even though these issue will be addressed, it still will be a design limiting factor, so there is a possibility it won't be able to cope with as much torque or BHP as rivial engines from other manufacturers can - from a aftermarket tuning point of view anyway.
Finally talking of weight, in a front mounted transaxle layout such the Impreza/forrester/Legacy the heavier engine will add to the already excessive noseweight of the cars, it'll probably be on par with the H6 engine in weight. Granted, it will not be as nose-heavy as the likes of the VAG transaxle gearbox/engine layouts.
I look forward to seeing it put in production, as it's a first for Subaru, whom preach over their engine's superlight light coated pistons, short and compact cranksahfts, and lightweight block designs. Where all of these features go completely against the grain when making a reliable high output diesel engine.
09 February 2007, 02:22 PM
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Well it was obvious they had to address it. The question is, by how, and by how much; Did they just make everything bigger and heavier or did they come with component contstruction and metalurgy that can cope with the stress mechanically and thermally whilst still retaining the weight properties that they boast about so much in their current petrol engines.
In either case, I forsee that they won't be able to be reliably tuned/remapped to the same kind of outputs observed with other manufacturer's diesels. But they should match the stock output and performance levels of the competetion, but I doubt they will better them...
Judgeing by the comments/expectations made by some of the people on the PH article, there will be some dissapointment.
In either case, I forsee that they won't be able to be reliably tuned/remapped to the same kind of outputs observed with other manufacturer's diesels. But they should match the stock output and performance levels of the competetion, but I doubt they will better them...
Judgeing by the comments/expectations made by some of the people on the PH article, there will be some dissapointment.
Last edited by Shark Man; 09 February 2007 at 02:28 PM.
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