C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jul 23, 2007 | 05:46 PM
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has chevy used any hyper or forged pistons in the last 20 years? if so, how can you tell them from just a regular cast piston?
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Old Jul 23, 2007 | 10:17 PM
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90-91 TPI C4 has hyper pistons. Don't know how to ID them though-sorry.
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Old Jul 23, 2007 | 10:28 PM
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All L-82's, some early C-4's ('85 for sure), all LT-5's (ZR-1), Calloway twin-turbo's. All C-5's and C-6's are Mahle Hypers. Drop one and you'll know if it's cast or forged...
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