Re: [Amc-list] Stroker pistons

[Wrambler242@xxxxxxxxxxx]

There is a moderate interest in hypereutectic pistons for the stroker engine.
We [meaning others and me watching/ hoping] have been trying to get a proper hyper piston for a stroker.
we want 9:1 compression and proper quench using a 258 crank and 242 [4.0L] rods.

I'm not a numbers person so I'm not going to screw up the math.
The problem is there is not a casting available in the aftermarket that works and no-one wants to foot the bill for one.

Forgings, custom in the $5-600 range have been all that has been available in these specs.

I'm copying the stroker list.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

 -------------- Original message ----------------------
From: Nick ALFANO <71amx@xxxxxxxxxxxxx>
> Guys, my new contract for forged pistons will get me even custom orders 
> completed 10-14 days.  I believe with the KB pistons, there is some altering you 
> have to do to use them.  Like with the 401s, you have to bush your rods down to 
> a Chevy 927 pin.  Mine are set up to use with a stock rod or run our forged rods 
> bushed to a 1" pin.   In addition, they are hypereutectic and not forged.  I 
> would  start stocking forged 6cyl pistons if there is a demand to do so.  I 
> rarely get anyone looking for them though.  With such a short turn around time, 
> there doesn't seem to be a need to make up a bunch and put them on the shelf, 
> but, If I get enough orders, I will.
> 
>   I am also working on new forged cranks this year.  Will start with a V8 crank 
> in somewhere around a 3.850-3.900 stroke.  Would consider a 6cyl after this one 
> if the market is there as I have to buy a few hundred cores to start (not 
> cheap).   There are options. 
>  
> Nick
>  
> Alfano Performance
> 4849-76 st.
> Kenosha, WI. 53142
> 262-308-1302
> 262-942-8271 after 6pm central and weekends 
>  
>  
> Going back to that, bigger is better thing.
> Rumour has it that KB is going to be putting forged pistons on the shelves for 
> 4.0L's!
> Some of the guys over on the stroker list have gotten emails from KB's tech 
> stating that they are about 2 months away! That prolly means 6-10 months, but 
> better late then never!
>   The request was for stroker pistons that gave 9:1-1 Compression with proper 
> quench using a 258 crank with 4.0L rods. We have not gotten comfirmation on the 
> exact specs of the pistons, but we have our fingers crossed.
>   Many of us asked for Hyper pistons, but casting costs seem to have led KB to 
> go with forgings. This makes some of us happy and some of us sad. I am sad if I 
> decide to build a Jeep stroker for use in a DD, but, I'm happy if I decide the 
> American needs a stroker as it will not be needed in the cold-cold of winter.
>   If KB gets the pricing right on these pistons I plan on assembling a 
> shortblock for use in something.
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