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3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

305 tpi 60 degree?

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Old Mar 6, 2003 | 02:11 PM
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crakpotjoe's Avatar
crakpotjoe
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From: Placer County, California
305 tpi 60 degree?
well is the the 305 tpi a 60 degree engine?
TIA
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Old Mar 6, 2003 | 02:58 PM
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a 4.3 V6 is a 90 degree, and I'm told that it's basicly a 305 minus 2 cylendars... so my guess would be 90 degree.
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Old Mar 6, 2003 | 03:03 PM
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It's a 90* motor, just like every single small and big block motor in the history of Chevrolet.
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Old Mar 6, 2003 | 03:35 PM
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Jim85IROC,

Got that right! Buick made a 60 degree V6 thats common in several GM makes.
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Old Mar 6, 2003 | 03:38 PM
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Marc 85Z28
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Originally posted by Error404
a 4.3 V6 is a 90 degree, and I'm told that it's basicly a 305 minus 2 cylendars... so my guess would be 90 degree.
The 4.3 has a 4" bore, so you could call it a 350 with 2 cylinders chopped off. All SBC, (the 4.3 is a SBC too), are 90* engines.
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