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#1
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They are the same except for the 454 version which is externally balanced.
Not all small blocks used the 10.5", nor did the all the big blocks use the 11.0". The '69 Z28 used the 10.5" whereas the '70 Z28's used the 11.0". I believe the L88's used the 10.5" as well.
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride) |
#2
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I have had both flywheels in my SB Camaro and never had to change the bellhousing.
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![]() 72 SS 350 4spd Camaro 74 Z28 Automatic 80 Z28 4spd 94 Z28 Automatic |
#3
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Marlin, I believe you are correct in all accounts.
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