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Forged or Cast Pistons - What's the verdict?



Don - cough of the big dollars and get Autotech's stroker kit:

http://www.autotech.com/catalog/engkits.htm

This kit is actually a very good deal when you do the math...If, for some 
reason, I don't/can't go turbo, this is what I'm going to buy...

G/L, JT

> Had my 2L 16V block inspected by the machine shop. The cylinder walls are
> good and only have .001 taper but my pistons are worn beyond what spec
> allows.  They are worn .004" and the spec only allows around
> .0028"
> 
> So now comes the choice Forged or Cast (stock).  Both are in the same price
> range so that is not an issue.  And I will most likely be going with 83mm
> over sized pistons.  Mainly because the machine shop wants to straighten
> out the cylinders instead of just putting new stock
>sized pistons.
> 
> Public talk seems to favor WiseCo or JE pistons.  Both are forged
> type.  WiseCo seems to be regarded as a better piston and actually costs
> less.  I talked to the manufacturer of WiseCo and they reassured me that
> the type of problems/noise were eleiminated by newer
> technology capabilities.  My machinst favored forged pistons as well and
> said that the tolerances for a street machine would be tigher that a race
> engine which allowed the extra slop for expansion that caused the noisey
> slap heard on cold engines.
> 
> So has anyone actually used forged pistons and what has been your
> experience?  Any other good suggestions?
> 
> -- 
> Don Walter - Waukesha, WI
> 1986 1.8 16V Black Scirocco
> 1986 2L 16V Toronado Red Scirocco (under repair)
> 1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
> 1984 1.8 8V Pewter Scirocco (sold years ago)
> 1971 Karman Ghia (sold)
> 1969 Karman Ghia (sold)
> 1969 Beetle (sold)
> 
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