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Author Topic: Crankshaft  (Read 2946 times)

June 12, 2006, 12:42:44 pm

92Ecodiesel

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Crankshaft
« on: June 12, 2006, 12:42:44 pm »
I am wondering if the crankshaft in the 1.6l turbo diesel is the same crankshaft in the 1.6l NA diesel engine?

Doug
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Reply #1June 12, 2006, 04:42:24 pm

jtanguay

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Crankshaft
« Reply #1 on: June 12, 2006, 04:42:24 pm »
In the older N/A motors it is weaker. I know for sure that VW re-engineered the crankshaft to withstand the extra power from the turbocharging.  Maybe they just manufactured the stronger crankshaft for both N/A and Turbo models after a certain year.
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Reply #2June 12, 2006, 05:20:33 pm

tylernt

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Crankshaft
« Reply #2 on: June 12, 2006, 05:20:33 pm »
Re: going from N/A to turbo from the TD SAE.:

"A number of changes were made to the crankshaft. The front end of the crankshaft was reinforced. The highly loaded crank-pin, at cylinder 4, has its radius induction hardened and the oil hole ground while radii at the other pins are roll-hardened. A torsional vibration damper is used."

So it sounds like a TD crank would fit in a N/A but you probably wouldn't want to do it the other way.
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Reply #3June 12, 2006, 07:30:00 pm

92Ecodiesel

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Crankshaft
« Reply #3 on: June 12, 2006, 07:30:00 pm »
Thanks for the info. the reason I ask is I am going to build a true turbo diesel and put in my jetta that currently has the eco diesel engine. The crank from the eco was damaged and fixed by a local shop and I will not re use it. I have a good crank from an 89 NA diesel but I think I will look around for a TD crankshaft.

Doug
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