Balancing factor 3.2 V6 + solid flywheel 2.5?

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killaz
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Balancing factor 3.2 V6 + solid flywheel 2.5?

Post by killaz » Wed Jul 20, 2016 1:30 pm

How to determine balancing factor required for 3.2 engine? I know that there are diferences between 2.5 and 3.0, but how do guys from SA resolve these differences, while switching to front mounted gearbox?

Plan is to use 3.2 engine with 2.5 24v flywheel and 6 speed gearbox.

Engine donor is Lancia Thesis with automatic gear box...

Thank you,
Lazar
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Giuliettaevo2
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Re: Balancing factor 3.2 V6 + solid flywheel 2.5?

Post by Giuliettaevo2 » Thu Jul 21, 2016 3:03 am

How about determening the imbalance of the lancia ringgear and copying that?
Drive it like you stole it...
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killaz
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Re: Balancing factor 3.2 V6 + solid flywheel 2.5?

Post by killaz » Thu Jul 21, 2016 11:17 am

Oh yeah, I forgot about that!

I remember balancing jig that was made by someone here... Is it doable in diy or we need to send parts to dedicated shop?

Get Lancia flywheel to zero with jig and aditional weight then transfer 2.5 flywheel to copy it.

Thank you man!!!
AlanV6
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Re: Balancing factor 3.2 V6 + solid flywheel 2.5?

Post by AlanV6 » Tue Aug 02, 2016 11:45 am

balancing factor is described in Jim K. book.
50% is normal, for trackcar that sees a lot of revs, use 51 max 52%
I did my engine by the book and it revs smoothly and freely.
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