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49 chevy sbc/th350 conversion question

Discussion in 'The Hokey Ass Message Board' started by shilde6, Jun 23, 2012.

  1. I'm doing a sbc/ th350 conversion on my 49 fleetline.

    Not sure if I need a short or long tail shaft trans or if it doesn't matter.
    I'm just worried about driveshaft length and angle. I'm using a s10 rear.
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 44,249

    squirrel
    Member

    It doesn't matter. The short tail transmissions are usually easier to find, in case you need to replace it. But if you might swap in a 700R4 later, the long tail 350 is the same length as the 700, iirc.
     
  3. deto
    Joined: Jun 26, 2010
    Posts: 2,621

    deto
    Member

    X2 doesn't matter
     
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  5. 51pontiac
    Joined: Jun 12, 2009
    Posts: 126

    51pontiac
    Member
    from Alberta

    In my 51 Canadian Pontiac ( same as Chevy) I used a long tailshaft tranny and the mounting pad was farther back than the crossmember - I used a Chassis Eng crossmember kit and engine mounts.
    I had to do a bit of "adjustment and modification" to make it work. Basically I made a bracket to move the mount back a bit (it was too long ago to remember any dimensions).
     

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