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  1. S

    600hp mkiii vs 07 zo6

    If HP/L is what measures engine efficiency, then you are claiming a LOT of two stroke engines are WAY more efficient than pretty much any car engine. Yet, those two stroke engines consume more oil and get worse fuel economy. Ok, you may say that a 2-stroke has twice the power strokes at the...
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    Completed LSx (or 1 or 6 or 7 or...)?

    Here is a few pics of my nearly completed swap. I also have a build thread going in the build up forum.
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    600hp mkiii vs 07 zo6

    You guys just do not get it do you? Displacement has very little to do with how air, and therefore fuel is being pumped through the engine. You can rate efficiency by HP/CFM, but HP/L is absolutely useless. Lets take two 2L engines. The S2000 engine makes what, 240HP? It also making that...
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    600hp mkiii vs 07 zo6

    The HP/L comparison seems to be one of the most common misconceptions in the automotive enthusiast groups. I have been trying to hit this topic all day with you. The fact that one engine makes more HP/L carries no weight. It does not mean your engine is working better or more efficiently...
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    SySt's Build up

    Well, it has been a while since I last updated thread. Since I have started the engine everything appears good. I plumbed up my clutch line only to find that the MK3 master cylinder is too small for the slave in T56. So I picked up a master out of an 87 Landcruiser. Though it does not quite...
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    Completed LSx (or 1 or 6 or 7 or...)?

    911s are somewhat known for their handling abilities, Busas are not. That is why I would compare the Busa to a Veyron, they're fast but not exactly the most agile. My point in saying I would daily drive a bike is that all the wind noise, engine noise, vibration, road feel and general effort...
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    600hp mkiii vs 07 zo6

    Those are your words. How does that not state Horsepower is a force? Only a force can cause and acceleration. Diesels do operate the same as gas engines. Notice I said they operate the same, I did not state they were the same. -Both have some basic internal geometry -Both rely on...
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    Completed LSx (or 1 or 6 or 7 or...)?

    I wish that had been done when I started my swap. Unfortunately I don't think it is all that feasible. The T56 does not fit in the transmission tunnel without some pounding and cutting the factory transmission mounts. Also, the shifter does not line up to the factory hole very well unless you...
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    Completed LSx (or 1 or 6 or 7 or...)?

    Your comments about power delivery are somewhat pointless in this topic. We are comparing engine performance. You have a right to like whatever sort of power delivery you want, but nothing beats the ability to lay down more power at any given moment in an argument about engine performance...
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    600hp mkiii vs 07 zo6

    Actually gas and diesel engines operate almost identically. Really the main difference is how combustion is iniated. Now you made a point in saying hp/liter is a measure of engine efficiency. Like I have said before, displacement says nothing about the power output of an engine. Such things...
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    Completed LSx (or 1 or 6 or 7 or...)?

    You stated "Blow and head change for power handling isn't necessary.". I assume you mean "block" instead of "blow". I was proving you wrong. NEVER did I state that 3khp was a realistic figure, it was a theorectical figure. Don't start getting so emotional that you start using your sarcasm...
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    Completed LSx (or 1 or 6 or 7 or...)?

    Changing the block is not neccessary for handling large amounts of power? You are find stock block and heads at 500 no doubt. What about 3k horsepower? I guarantee you would run into problems with the block and head. I was simply saying that anything "properly" will work great. However...
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    600hp mkiii vs 07 zo6

    I see what you are saying. Yes the comparison between displacement and power output can be made. My question is why would you make that comparison? I thought we were talking about engine efficiency. Obviously engine displacement does not directly affect fuel economy, nor does it directly...
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    Completed LSx (or 1 or 6 or 7 or...)?

    The 3k IS the cost of the engine + ECU. I do know a guy at a GM performance shop where I purchased the shortblock. However it was 2k and was not much of a "great" deal. There is no money spent on putting the swap together really, as I have done all the work myself. I have to strongly...
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    Completed LSx (or 1 or 6 or 7 or...)?

    Ok, i'll show you a dyno sheet of a 540hp LS1. Keep in mind these numbers are not to the wheels but to the flywheel. (Dyno graphs are attached) Baseline Engine: Stock LS-1 Longblock, LS-6 Intake Manifold, 1 3/4" Headers-Long Tube Style, 3" Flowmaster Mufflers. VS All Same As Above...
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    600hp mkiii vs 07 zo6

    You are stating you have knowledge of engines when you state a method of comparing efficiency. And, you are wrong anyhow. Power output compared to displacement has NOTHING to do with how efficiently the engine makes power. You are trying to compare air/fuel volume to power output. The...
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    600hp mkiii vs 07 zo6

    You think so? You must be an engineer. I've got news for you, engineers do not tend to be concerned about HP/L with regards to engine efficiency. The term in the field is BMEP. If you don't know what that stands for than you have no business discussing technical aspects of engines. Oh...
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    Completed LSx (or 1 or 6 or 7 or...)?

    I have an LS6/T56 in my '87 Supra. The swap is very near completion though that says little about the other projects on that car. I need a throttle cable and a driveshaft and I can go drive my Supra. When I made the decision 2 years ago to swap this engine in I did so because of the lack of...
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    600hp mkiii vs 07 zo6

    HP/L is a worthless comparison. Wcares how much power you are making compared to your engine size. For instance, what would run a faster 1/4 mile? A 1.5L turbo F1 car or a top fuel dragster? Displacement is not a measure of power ability nor is it a measure of fuel economy. It is only one...
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    Clutch Master Cylinder Choices

    Well, I would rather replace the master then the slave being that I'd have to pull the engine/transmission to replace the slave. I have read that some MK2 Supra owner swapped an LSX/T56 in his car and used a master out of a Land Cruiser. Appareantly that bolts right up to the MK2? Is the...