02GF74
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| posted on 13/3/09 at 11:01 AM |
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where has the 12 mm gone?
I measured difference in block height for 1300 and 1600 crossflow engines (from centre of crank to top of block) to be 40 mm.
The difference in 1/2 stroke is 8 mm and difference in conrod length is 20, so total is 28 mm.
This leaves 12 mm unaccounted for - anyone know where that has gone?
(Doubts about my measuing is creeping in but pretty sure I got it right).
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sickbag
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| posted on 13/3/09 at 11:10 AM |
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The height of the piston to the top of the crown?
Are newer crossflows still using dished pistons and flat heads? Just curious.
Finally back on the job!
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whitestu
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| posted on 13/3/09 at 11:11 AM |
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I though you'd lost a spanner from the title!
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02GF74
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| posted on 13/3/09 at 11:13 AM |
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standard tuning practise is to fit psiton from smaller capacity engine (1100 -> 1300 and 1300 ->1600) since the cimbustion chanber in piston
varies, hence upping the CR, hence I owuld guess the distance from gudgeaon poin to piston top is the same.
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Daddylonglegs
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| posted on 13/3/09 at 11:13 AM |
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quote:
Originally posted by whitestu
I though you'd lost a spanner from the title!
 
It looks like the Midget is winning at the moment......
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omega0684
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| posted on 13/3/09 at 12:06 PM |
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02GF74 - how many taquillas have you had?
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coozer
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| posted on 13/3/09 at 12:19 PM |
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Crank throw? Determines stroke for increasing the capacity if you get my drift
1972 V8 Jago
1980 Z750
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02GF74
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| posted on 13/3/09 at 12:27 PM |
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quote:
Originally posted by coozer
Crank throw? Determines stroke for increasing the capacity if you get my drift
Already taken that into account, see: The difference in 1/2 stroke is 8 mm
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stevebubs
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| posted on 13/3/09 at 02:22 PM |
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piston height
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clairetoo
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| posted on 13/3/09 at 04:46 PM |
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Rod length - 1300`s are shorter .
Its cuz I is blond , innit
Claire xx
Will weld for food......
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Phil.J
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| posted on 13/3/09 at 05:41 PM |
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As said, it's probably piston height above the gudgeon pin.
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