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 Post subject: g10 stroker?
PostPosted: Sun Jan 20, 2008 8:08 am 
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Location: Enhaut PA (usa)
long time no posting, but are there any connecting rods or any type of modifications to the 1.0 to increase the displacement? To be honest im not that knowledgable on the stroke,rod length etc of the g10 but I was just wondering

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 Post subject:
PostPosted: Sun Jan 20, 2008 9:46 am 
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No.
The connecting rod has no effect on displacement.


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 Post subject:
PostPosted: Sun Jan 20, 2008 2:57 pm 
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then why have I seen engines such as the small block chevys have a change in displacement with diff length con rods?

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 Post subject:
PostPosted: Sun Jan 20, 2008 3:06 pm 
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http://en.wikipedia.org/wiki/Stroke_ratio

http://www.ajdesigner.com/phpengine/engine_equations_cubic_inch_displacement_b.php

Changing the stroke and/or bore, and number of cylinders is the only way to change displacement. Play with the calculator above. The G10 is almost a 3x3x3. 3 cylinders, 3 inch bore, 3 inch stroke. Pretty close anyway.

All you do by changing the rod length is speed up or slow down piston speed.

On the engines you're quoting, I'm sure the rod length was changed during the stroking process so that the piston doesn't hit the crank or the head.

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 Post subject:
PostPosted: Sun Jan 20, 2008 3:29 pm 
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so the only way for an engine to be stroked is by changing the crankshaft?

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 Post subject:
PostPosted: Sun Jan 20, 2008 4:16 pm 
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Correct. Hence, the name stroking comes from increasing stroke length. And overboring comes from making the bore diameter larger.

There are a couple topics on Teamswift about how the G10 already has a long stroke.

I always thought it would be cool to take a 1.6 block and install a GTi crank and pistons with a longer rod. That would slow the pistons down and make it rev higher than a GTi does now.

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 Post subject:
PostPosted: Sun Jan 20, 2008 8:01 pm 
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I have done some reading and saw some people talking about resleeving the block to use larger pistions, has anyone actually done this with the 1.0?

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 Post subject:
PostPosted: Sun Jan 20, 2008 10:32 pm 
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crazyman wrote:
I always thought it would be cool to take a 1.6 block and install a GTi crank and pistons with a longer rod. That would slow the pistons down and make it rev higher than a GTi does now.


I have been thinking of axactly that the last week or so, but apparantly the G13b crank wont for the 1.6 block, and considering they don't go the other way then that sounds pretty reasonable to me. If you're interested in doing it look at the D15 Honda crank, with machining it should work. Check this thread for more info. 'd' has done most of the research so far.


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