transmission question

Discussion in 'Drag Racing' started by junrai, Nov 5, 2012.

  1. junrai

    junrai Member

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    whats the difference between a regular c4 and a power glide transmission?
    Ive heard of power glide but only in the old impalas.

    Im sure you guys can clear this up for me thanks
     
  2. groberts101

    groberts101 Member

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    Basically.. "glides" are 2 speeds.. and C4's are 3 speeds.

    power glides are the dominant racing transmissions due to parts availability and tunability. They can be made to hold 2,000+ horsepower.

    C4's have only more recently gained heavy aftermarket following to play catch up with hard part availability/mods in the last 10 years or so. But now you can build them well past 1,000 horsepower levels.
     
  3. 9mpg

    9mpg Member

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    ill give u a thousand dollars if you bolt that power glide up to a ford without a adaptor plate...lol...sorry couldnt help it...well first thing is the c-4 is a three speed and the power glide is a two...power glide the Aluminum( a cast version also) version is still very popular for drag racers still due too the fact it only shifts once. It was used in tons of chevys until the late sixtys and was phased out in the seventys. They are both simple an pretty durable trans. The c-4 was a replacement for the old two speed ford-o-matic. They are lighter and are a medium duty trans. They can be modded and beef up for raceing and are still pretty popular today. An the most obvious...:)....ones a chevy and ones a ford...just bustn ur balls a little...
     
  4. 9mpg

    9mpg Member

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    This is a great answer...but mine was more fun....lol
     
  5. groberts101

    groberts101 Member

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    without a doubt. :clap:

    and I almost went there myself. You know what they say.. ask a basic silly question.. and you get a basic silly answer. :bananaman
     
  6. 9mpg

    9mpg Member

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    :bowdown: Well i tried to be nice but have some fun...sometimes i just cant help myself...but if you dont know ya dont know...we have all been their....
     
  7. olerodder

    olerodder Member

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    Here are a couple of pictures of my old Powerglide with SFI bellhousing. What they do is machine off the Powerglide bellhousing so an adapter bellhousing will fit................this way they can adapt it to a Ford, Chrysler or almost anything else. Mike's Transmission (who built my original trans some 12 years ago also refurbished mine) has built Powerglides that have gone sub 6 sec in a 2500hp dragster.
    The next picture is of a C4 with and without bellhousing. C4's are the smallest of all automatics (weight and size) and can be built to withstand 1000hp. I had one of PA's street fighters in my blowen flathead coupe............great transmissions...................IMHO
     
    Last edited: Apr 29, 2013
  8. junrai

    junrai Member

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    just curious because I knew the old impalas had the power glide but Ive been seeing guys on here running power glide transmissions. I thought maybe it was a type of transmission not specific to a brand manufacturer like chevy.
    thanks for answering my question.
     

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