Smartest way to get to a 350?

Discussion in 'Engine Topic' started by FunBobby, Feb 15, 2014.

  1. Smokes

    Smokes Veteran Member

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  2. hhott71

    hhott71 R.I.P 11/19/18 Lifetime Gold Member

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    GM crate motors.
     
  3. onelapduster

    onelapduster Veteran Member

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    Crate 350 is a god way to go.
     
  4. lumpy12

    lumpy12 Veteran Member Lifetime Gold Member

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    You might consider stopping in some local machine shops and see what they have assembled and waiting for a buyer. My experience is they will often have a motor more or less ready to go, and they know what the crate engines are going for on the web ......
     
  5. RS1979

    RS1979 Veteran Member Lifetime Gold Member

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  6. ManwithNoName

    ManwithNoName Veteran Member

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    This is what I did. My shop had a 355 they had built for some articles in GM High-Tech Performace as a dyno mule. They sold it to me complete for $3k.
     
    Last edited: Feb 15, 2014
  7. fatkid_racing

    fatkid_racing Veteran Member Lifetime Gold Member

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    Come to Texas and buy mine, it's in the way...
     
  8. ssenay72

    ssenay72 Veteran Member

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    About to pull the 350 out of my 81 and replace it, ill sell u that cheap! Its just in Massachusetts. lol
     
  9. hutchenc

    hutchenc Veteran Member

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    If you go the crate motor route, look at the L-31 long block 350. It's a factory roller motor 350 replacement motor intended for 1996 to 200 Chevy trucks. Vortec heads, roller cam and lifters. Makes 255 SAE Net HP which is probably about the same thing as the 290 and 300 gross HP flat tappet 350's with worse heads and no roller cam. Same price too (right around $1900).

    Bolt on an intake and carb of your choice and you have a nice motor. Only downside is that they don't have a mechanical fuel pump lobe or boss on the block so you'd have to switch to an electric pump. Not a really big deal though.

    Down the road, if you ever wanted to put a bigger roller cam in it, you could make some pretty good power (350 to 375 HP) with just a cam swap and some small upgrades to the heads (valvesprings, rockers) whereas with the other GM crates, you'd be looking at a cam and head swap to make the same power. A roller cam swap on the other older style blocks will run you at least $750 too so that's a huge bonus with the L-31.
     
  10. mjoc

    mjoc Veteran Member

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    Save up buy the 383 short block or long block from GM. THe extra cubes and power are well worth it. Bigger is always better.

    Michael
     

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