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  1. Parts for Sale
    Big Block Chevy 454 Flexplate BBC External Balance Heavy Duty, Made In the USA----$40 The Flexplate came off of my 1990 gen 4 bravo 454 External Balance BBC, 168 tooth, 14"dia, No Starter marks on teeth Reply or Call 530 575 5025
  2. V-Drives
    I have run flexplates in the past with no problems but on this Sanger project we are running GM 572/720 HP motor. It is internally balanced. It came with a steel flywheel which obviouslyI don’t want to use. Should I go to an Aluminum Flywheel or would a good quality Flexplate be ok?
  3. GN7 On the Dyno
    I'm looking for a BBC internal balanced 168 tooth SFI flex plate with " 6 " converter holes that are 11.5" on center, it's a gen 4 motor ?
  4. Jet Boats
    Swapping my olds 455 today, finding that the PTO that was on the flywheel of the old motor, doesn't fit the flexplate on the new motor. The flexplate is half the thickness or so at the bolt holes so the PTO doesn't mate up to it flush. Am I missing the obvious or is there another part when...
  5. Jet Boats
    looking for killer flexplate cover any out there, i no andy ralls has one does an buddy have his #:)devil
  6. GN7 On the Dyno
    Looking at a 427 SBC fresh off the dyno and arrived at my door. Good numbers, 528 H/P 580 TQ. Unpacking and found they had installed an 18 to 20 lb flywheel instead of a flexplate? The old SBC had a flexplate, so I'm thinking that I might need to talk to the builder. But before I do that, for...
  7. V-Drives
    I building my first Flatty and getting ready to start the motor. My question for you, Should I go with a flywheel or flexplate. This will be just a pleasure boat and not a racer. I'm building a 496 BBC roller with 650 to 700 hp. The boat is a 74 Sanger Bubble Deck. Any help would be greatly...
  8. V-Drives
    Hi, I am currently in the works of building my first motor. It is a bbc 454 and have run into a little snag with the 1350 driveline coupler that attaches the driveline to the crankshaft. There is a pin that comes out of the crankshaft that the flexplate sits on to line it up with the holes, the...
  9. Parts for Sale
    168t steel flexplate for an internally balanced BBC. Heavy duty and American Made. It's got maybe 3 trips to the river on it. Pretty much new. :))THumbsUp 45 bucks. Located in Long Beach. More details here: Pioneer Automotive 871001 - Pioneer Heavy-Duty Flexplates - Overview - SummitRacing.com
  10. Parts for Sale
    BBC flexplate external balance- $40
  11. V-Drives
    I'm getting ready to by the PTO to connect to the driveline, and am planning to use a flexplate rather than a flywheel as it is lighter. Any reason I shuold consider using a flywheel?
  12. GN7 On the Dyno
    I'm building a 383 SBC for my newly acquired 16' Cheetah jet. It had a Flywheel on it and my question is,do I go back with a flywheel or a flexplate? Are there any pro's and con's to both? Thanks
  13. Jet Boats
    the weight from the flexplate seems to be touching my motor plate . Can i just flip the flexplate around and put the weight to the outside? I dont even know if i have the right flexplate for my engine, i bought it off Craigslist and it came with no flexplate..... I will post a pic or two to...
  14. V-Drives
    Does it matter if you run a flexplate or a flywheel? I know I’ve seen 'em both in flats and the motor that came with my boat had a flywheel. I’m finishing up the new motor and it sees like a flexplate would be lighter. Is there any rhyme or reason to one over the other? FYI: It’s just a...
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