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View Full Version : Flexplates and Flywheel/Ring Gears


lizziemeister'sV6
January 20th, 2014, 08:27 AM
Having a 351E rebuild to replace my 305E in my 65 Suburban. 351 is at the engine shop - 351E had the TH400 and the 305E had the Powerglide - I'm wanting to balance the engine - shop says I need the front crankshaft pulleys (I have) and the flywheel/ring gear and flex plate. I'm going to keep the Powerglide just because -- MY QUESTION - is the only difference between the Powerglide and TH400 flywheel/flexplate assembly the FLEXPLATE or is the flywheel/ring gear different? I have all the TH400 parts - my Suburban is still being used so I can't tear it down to see the difference. Please let me know so I can get the shop what they need. THANKS - oh yes does anyone have a spare Powerglide Flexplate or if needed the flywheel too?