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Which cranks are forged?

johnnyRacer

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Joined
Jan 9, 2005
Messages
776
Location
Tampa, FL.
Are our cranks forged? Is it just the turbo 4g63's? What about the 4g64, g4cs, and n/a 4g63 cranks?
 

johnnyRacer

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Joined
Jan 9, 2005
Messages
776
Location
Tampa, FL.
Also, I remember reading in Car Craft that if you "LIGHTLY" tap the crankshaft with say a small wrench or a bolt and if the crank rang like a bell it was forged. The only problem I have with this theory is all the cranks I have ring like bells.

1. g54b Starion
2. g4cs
3. 4g63t
 

atc250r

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Sep 11, 2003
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13,235
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Orange County, NY
+1
 

KT

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Oct 20, 2003
Messages
1,243
Location
Omaha, NE
Quote:
1. g54b Starion



This one is definitely forged.
 

johnnyRacer

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Jan 9, 2005
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776
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Tampa, FL.
Shreveport? I've been down there fishing on the Toledo Bend. Well actually it was Manning, La.
 

johnnyRacer

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Jan 9, 2005
Messages
776
Location
Tampa, FL.
I'm dropping off my block today at the machinist. He said the g4cs crank is forged, it's just not treated for strength.
 

johnnyRacer

Well-known member
Joined
Jan 9, 2005
Messages
776
Location
Tampa, FL.
Quote:


1. g54b Starion
2. g4cs
3. 4g63t



All these cranks are forged, according to my engine builder. It's just that the mitsu turbo cranks are treated for hardness.
 
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