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Technical 1949 Chevy OEM Guages and SBC Swap Question

Discussion in 'The Hokey Ass Message Board' started by slash46, Aug 28, 2018.

  1. slash46
    Joined: Jun 18, 2009
    Posts: 22

    slash46
    Member

    I've swapped the 216 out of my 49 Fleetline Deluxe and replaced it with a 283 out of a 57 chevy. I am also running a 700r4.

    I want to keep my stock mechanical gauges, especially my temp and oil pressure

    I have an edelbrock intake and have an electric temp sensor in it right now. I want to ditch that and use a sender that will work with my guage... the one from the 216 won't reach, what are my options?

    As for the oil guage, I just have a small oil line running out of guages, no idea how I should convert that.

    If anyone has done this, please give me some tips.

    Thanks
     
    chryslerfan55 likes this.
  2. goldmountain
    Joined: Jun 12, 2016
    Posts: 4,715

    goldmountain

    If the temp sender is long enough to reach either the last two intake bolts on either the left or right sides, you can tap a 1/2 " NPT hole between them and reach the water jacket. The oil line can easily be extended with various couplers to reach the port by the distributor.

    Sent from my SM-T350 using The H.A.M.B. mobile app
     
    coolhandponcho54 likes this.
  3. slash46
    Joined: Jun 18, 2009
    Posts: 22

    slash46
    Member

    I wasn't wanting to tap it, that is an option though. The line/wire for the sender appears to be copper? I was also wondering if it could be cut, extended and brazed together, so that I can just use the temp sensor port on the intake.
     
  4. BJR
    Joined: Mar 11, 2005
    Posts: 10,665

    BJR
    Member

    Don't cut the temp sender tube. It is filled with ether.
     
  5. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,207

    302GMC
    Member
    from Idaho

    A 30 lb. oil pressure gauge won't last. A '50 PG gauge is 60 lb., might do the job. The line will reach where the sending unit goes..
     
  6. goldmountain
    Joined: Jun 12, 2016
    Posts: 4,715

    goldmountain

    Forgot to mention that most of these old cars didn't have pressurized cooling systems and would boil upon reaching 212 degrees. Since more modern engines run warmer than that, a gauge that pegs out at 212 isn't that great an indicator anymore. 302GMC seems more observant than me.
     
  7. slash46
    Joined: Jun 18, 2009
    Posts: 22

    slash46
    Member

    Thanks for all the input... I'm just going to run the stock mechanical speedo, fuel, and voltage guage then. I'll mount some cheap gauges for temp and oil on a panel hanging from bottom of dash until I can justify a more modern dash gauge replacement (running low on fundage).
     

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