Forged or Cast Pistons - What's the verdict?

[dswalterwi at gmail.com (Don Walter)]

So far No one has answered the question but you have managed to evade
it.  Please let's talk about the subject.


On Fri, 8 Oct 2004 11:58:54 -0700 (PDT), Anson Clement
<ansonivan@yahoo.com> wrote:
> 
> Have you put any thought into building an ABF? If you need to buy pistons
> anyway you might as well have JE make up a set of ABF spec pieces, pick up
> an ABA block, and build a real monster.
>  
> Have a look at Shannon Fenton's site for more info on the motor.
>  
> I just can't bear the thought of buying new pistons and not going this
> route.
>  
> Anson
> 
> Don Walter <dswalterwi@gmail.com> wrote:
> 
> 
> 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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-- 
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)