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bwhitejr
PostPosted: Fri Feb 06, 2009 5:16 am 
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EFI Slant 6
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Does anyone have the weight of the forged Wiseco pistons that are part of the K1/Wiseco package?

bwhitejr

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'72 Duster (Performance 360)
'83 Ramcharger (Performance 318)
'80 TrailDuster (360)
'80 D-150 Truck (See Below)
CompCams 252S, Holley 390cfm, Offy manifold
Ported, Polished and Gasket Matched
P4286813 Springs,0.040 Overbore,
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Shaker223
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PostPosted: Fri Feb 06, 2009 6:52 am 
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425g on my turbo pistons. really a stock replacement piston for the long rod. I would expect the kit pistons to be a little heavier due to a taller comp height.
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bwhitejr
 Post subject: Wiseco piston Weight
PostPosted: Fri Feb 06, 2009 9:09 am 
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The Keith Black KB239 hypereutectic pistons of roughly the same size are 376 gms with pins weighing an additional 107 gms.

bwhitejr

_________________
'72 Duster (Performance 360)
'83 Ramcharger (Performance 318)
'80 TrailDuster (360)
'80 D-150 Truck (See Below)
CompCams 252S, Holley 390cfm, Offy manifold
Ported, Polished and Gasket Matched
P4286813 Springs,0.040 Overbore,
0.090 Shaved Head
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Dart270
 Post subject: Wiseco/K1 masses
PostPosted: Fri Feb 06, 2009 2:07 pm 
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Joined: Mon Oct 21, 2002 11:08 am
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Location: Blacksburg, VA
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These are not super light, but a lot lighter than stock.

428.7 g for bare piston
121.3 g for pin
2.5 g for pin clips
24.7 g for rings

642 g for rod w/bolts, no bearing shells
21 g for bearing shells (pr)

1216g total (+/- 1-2 g on whole mess)

200 g lighter than stock forged crank setup and 130 g lighter than cast crank setup.

Lou

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bwhitejr
 Post subject: Wiseco Piston Weights
PostPosted: Fri Feb 06, 2009 2:47 pm 
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Location: Missouri City, Texas (Houston Area)
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I measured a 198 rod, stock piston, wrist pin, rings and bearing shells. The total was 1455 gms.


bwhitejr

_________________
'72 Duster (Performance 360)
'83 Ramcharger (Performance 318)
'80 TrailDuster (360)
'80 D-150 Truck (See Below)
CompCams 252S, Holley 390cfm, Offy manifold
Ported, Polished and Gasket Matched
P4286813 Springs,0.040 Overbore,
0.090 Shaved Head
Top
   
Reply with quote  
Dart270
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PostPosted: Fri Feb 06, 2009 8:10 pm 
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Thanks.

I measured the 225 setups, which is why I only got 1418 g for the forged crank bunch. 198 rods add 40 g, it seems.

Lou

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bwhitejr
 Post subject: Wiseco Piston Weight
PostPosted: Sun Feb 08, 2009 3:18 pm 
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Location: Missouri City, Texas (Houston Area)
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To be clear the 1455 gms was everything associated with the cylinder. Pistons, all rings (worn), 198 rod, bearing cap, bolts, nuts and bearings.

None of the balance pads had any material taken from them.

bwhitejr

_________________
'72 Duster (Performance 360)
'83 Ramcharger (Performance 318)
'80 TrailDuster (360)
'80 D-150 Truck (See Below)
CompCams 252S, Holley 390cfm, Offy manifold
Ported, Polished and Gasket Matched
P4286813 Springs,0.040 Overbore,
0.090 Shaved Head
Top
   
Reply with quote  
Dart270
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PostPosted: Mon Feb 09, 2009 4:49 am 
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Yes, my "bunch" weights above were for everything assoc with one cylinder.

Lou

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