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4g92p block into 4g91
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<blockquote data-quote="iswara204" data-source="post: 2701975" data-attributes="member: 22646"><p>Thanks bro..</p><p>Well, this is wat im planning to do. </p><p><u>Compression ratio</u></p><p>4g91 = 9.5:1 </p><p>4g92SOHC= 10.0:1</p><p>4g92DOHC= 11.0:1</p><p>4g93DOHC= 10.5:1</p><p></p><p>So im planning to drop in the 4g92SOHC (10.0:1) and add a thinner metal casket to make the compression ratio close to 10.5:1...this is wat i understand..is this the correct way?? </p><p></p><p>4g91's stroke length is 77.5mm same as mivec's..the bore is 78.4mm. 4g92and93's bore is 81mm.</p><p></p><p>Understanding the bore and stroke, i understand <em>A piston engine is oversquare or shortstroke if its cylinders have a greater bore (width, diameter) than stroke (length of piston travel). This is generally considered to be a positive trait, since a longer stroke means greater friction and a weaker crankshaft. An oversquare engine is generally more reliable, wears less, and can be run at a higher speed; though with the aid of modern technology, the disadvantages of undersquare or longstroke engines have been overcome. In oversquare engines power does not suffer, but low-speed torque does to some degree</em> <a href="http://en.wikipedia.org/wiki/Stroke_ratio" target="_blank">Stroke ratio - Wikipedia, the free encyclopedia</a></p></blockquote><p></p>
[QUOTE="iswara204, post: 2701975, member: 22646"] Thanks bro.. Well, this is wat im planning to do. [U]Compression ratio[/U] 4g91 = 9.5:1 4g92SOHC= 10.0:1 4g92DOHC= 11.0:1 4g93DOHC= 10.5:1 So im planning to drop in the 4g92SOHC (10.0:1) and add a thinner metal casket to make the compression ratio close to 10.5:1...this is wat i understand..is this the correct way?? 4g91's stroke length is 77.5mm same as mivec's..the bore is 78.4mm. 4g92and93's bore is 81mm. Understanding the bore and stroke, i understand [I]A piston engine is oversquare or shortstroke if its cylinders have a greater bore (width, diameter) than stroke (length of piston travel). This is generally considered to be a positive trait, since a longer stroke means greater friction and a weaker crankshaft. An oversquare engine is generally more reliable, wears less, and can be run at a higher speed; though with the aid of modern technology, the disadvantages of undersquare or longstroke engines have been overcome. In oversquare engines power does not suffer, but low-speed torque does to some degree[/I] [url=http://en.wikipedia.org/wiki/Stroke_ratio]Stroke ratio - Wikipedia, the free encyclopedia[/url] [/QUOTE]
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