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ddgonzal
Re: A12 & A14/15 Conrod Differences
#11
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And your conversion goal is... to put RB20 pistons in an A14???

Posted on: 2010/1/7 4:13
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bituten
Re: A12 & A14/15 Conrod Differences
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ddgonzal : yes..i'm planning to do that conversions..

is it still do able with the decked block?

Posted on: 2010/1/7 4:25
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ROConnor
Re: A12 & A14/15 Conrod Differences
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what bore do they require?

Posted on: 2010/1/7 4:28
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bituten
Re: A12 & A14/15 Conrod Differences
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RB20 bore: 78.0mm

Posted on: 2010/1/7 4:31
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ROConnor
Re: A12 & A14/15 Conrod Differences
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well the a12 rods are 11.5mm shorter apparently, so it seems you may need to deck the block more? but that would meen a wors rod/stroke ratio for high RPMs, but good for torque or turbo?

Posted on: 2010/1/7 4:56
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ddgonzal
Re: A12 & A14/15 Conrod Differences
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I don't know of anyone who's tried this conversion. We can only guess what is required.

Posted on: 2010/1/7 4:58
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LittleFireyOne
Re: A12 & A14/15 Conrod Differences
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78mm piston? sounds like a plan when this A14 needs another rebuild

Posted on: 2010/1/7 6:58
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bituten
Re: A12 & A14/15 Conrod Differences
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i'm planning to do so..i've read somewhere in this forum (i forgot which thread ..) where they do rebore to 78mm using RB's piston..

i do know that this conversions is not a problem if doing it with the standard A14/15 block and using its conrod..

but if,using a shorter conrod (A12) this mean that i'll lose my CC's instead of gaining it..am i right?and does it seems possible to do so with A12 conrod?

i'm running out of an idea..

Posted on: 2010/1/7 7:11
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ROConnor
Re: A12 & A14/15 Conrod Differences
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rod length has nothing to do with CC's its the crank(stoke) and bore that decide this.

Posted on: 2010/1/7 7:28
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ddgonzal
Re: A12 & A14/15 Conrod Differences
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If there's no problem when using the A14 conrod, and you have an A14 block and crank...why do you want to use A12 rods???

Posted on: 2010/1/7 7:41
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