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Hot Rods 153 Chevy 4 cyl / 350 turbo

Discussion in 'The Hokey Ass Message Board' started by brokenspoke, Aug 16, 2016.

  1. brokenspoke
    Joined: Jul 26, 2005
    Posts: 2,909

    brokenspoke
    Member

    I'm wanting to use a 350 Turbo transmission behind my 153 Chevy engine, that's going into my 27 RPU...What flex plate do I need to use? Thanks
     
  2. 1934coupe
    Joined: Feb 22, 2007
    Posts: 4,361

    1934coupe
    Member

    I believe the PG and 350 Turbo flex plate are the same. The Turbo is a good choice I had a PG behind my 153 in my Willys and felt it would have benefitted from the extra gear.

    Pat
     
    belair likes this.
  3. What flex plate do you have? They both bolt up to the crank the same. You know the TH350 plate will work with the TH350.
     
  4. treb11
    Joined: Jan 21, 2006
    Posts: 3,663

    treb11
    ALLIANCE MEMBER

    Supposedly the 200R4 is more efficient. Less loss of hp - might be more noticeable with a 4 vs an 8. Plus you get OD


    Sent from my SM-G550T using The H.A.M.B. mobile app
     

  5. belair
    Joined: Jul 10, 2006
    Posts: 8,645

    belair
    Member

    same flex plate.
     
  6. A Boner
    Joined: Dec 25, 2004
    Posts: 5,883

    A Boner
    Member

    I've heard a Vega converter will fit, and it has a higher stall, if you run taller gears.
     
    Last edited: Aug 16, 2016
  7. 3quarter32
    Joined: Dec 10, 2010
    Posts: 371

    3quarter32
    Member

    You talking about flexplate or converter?
     
  8. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,676

    56sedandelivery
    ALLIANCE MEMBER

    Most aftermarket flexplates come drilled for two different converter patterns, depending on the trans to be used; stock flexplates usually only have a single pattern that may or may not work. You most likely have the 153 tooth flexplate. If you need a different pattern, just drill your own; the converter centers with the converter bung, not the bolt pattern. Some flexplates also have "oblong" slots for torque converter mounting. I am Butch/56sedandelivery.
     
    belair likes this.
  9. A Boner
    Joined: Dec 25, 2004
    Posts: 5,883

    A Boner
    Member

    Yes, converter!
     
  10. brokenspoke
    Joined: Jul 26, 2005
    Posts: 2,909

    brokenspoke
    Member

    I do not have a flexplate....
     
  11. nlualum82
    Joined: Dec 24, 2005
    Posts: 103

    nlualum82
    Member
    from Oregon

    Did your engine come from a car with a manual transmission or a boat?
    Remove the flywheel if it is on there and replace it with a flexplate.
     
  12. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,676

    56sedandelivery
    ALLIANCE MEMBER

    What starter motor do you have or plan on running? Straight across holes on the starter motor, the 153 tooth flexplate, staggered mounting holes, the 168 tooth flexplate. They both will fit on the crankshaft, and it's the converter "bung" that centers the converter, not the flexplate to converter bolt holes. Most aftermarket provided flexplates do come with two patterns on them. Just DON'T use a flexplate that has any kind of weight on it. If you are starting out with no starter motor and no flexplate, then go with the 153 tooth flexplate and the straight across bolt pattern starter motor. I am Butch/56sedandelivery.
     
    Last edited: Feb 18, 2017
  13. Hnstray
    Joined: Aug 23, 2009
    Posts: 11,887

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    Looks like a typo in last sentence above.......contradicts earlier statement. Perhaps last sentence should read "......153 tooth flexplate and stater with straight across holes...."

    Ray
     
  14. nlualum82
    Joined: Dec 24, 2005
    Posts: 103

    nlualum82
    Member
    from Oregon

    I' e also been sold on the 200-4Runner sapping less hp than any of the other GM autos because of less rotational mass.
     

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