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what do i got

Discussion in 'The Garage' started by noho blazen, Oct 26, 2006.

  1. noho blazen

    noho blazen Registered Member

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    just got a new motor today it is a 350 block bored 80 over with a 400 crank and right now i have a tbi 350 in my blazer just woundering how hard it would be to swicht to carb and would i able to use the tbi distibitor,fule pump,coil.tomarrow i get to pick up my tranny t case from the shop th350/205
     
  2. 76zimmer

    76zimmer Flyin Rat Premium Member GMOTM Winner

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    80 sounds like a lot, you sure about that? If so, that would be like a 392?
     
  3. noho blazen

    noho blazen Registered Member

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    i am defintly sure it is 80 over that what the top of the piston reads
     
  4. Beast388

    Beast388 1/2 ton status

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    392 is correct.

    0.080" over is fairly uncommon. That is farther then I would go on an over bore, but if you are using an older heavy-casting block, you might get away with it.;)
     
  5. NoReGrEtS

    NoReGrEtS 1/2 ton status

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    i heard you can take them .120 over:confused: :confused:
    is that true?
     
  6. badmix

    badmix 1/2 ton status

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    I always thought .060 is the limit on a street motor. I wouldnt touch a .080 motor. but thats jus me. :D
     
  7. beater_k20

    beater_k20 Banned

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    its probably .030, the stamps often look very similar.
     
  8. b454rat

    b454rat 1/2 ton status Premium Member

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    I would double check that stamp, 080 is alot. As long as the cam isn't huge, you can run the TBI. Built a 406 in my old truck and ran like a raped ape, and used stock TBI everything.
     
  9. Disciples Performance

    Disciples Performance 1/2 ton status

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    .080 would put you into the raw casting/water jackets of the block my friend UNLESS they resleaved the engine with some crazy sleaves
     
  10. beater_k20

    beater_k20 Banned

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    not necessarily into water. i didnt hit water with the one i sleeved until i got to 4.190.
     
  11. Disciples Performance

    Disciples Performance 1/2 ton status

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    ya didnt that engine heat up like a mother? thats a HECK of alot of bore to go with thats for sure .... even .060 is alot
     
  12. 76zimmer

    76zimmer Flyin Rat Premium Member GMOTM Winner

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    If you can measure the bore (even with dial calipers) it would be like 4.030 (30 over=383) if its 4.080 that would be 80 over 392
     
  13. noho blazen

    noho blazen Registered Member

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    i bought the motor to a machine shop and had the bore mesured and it is 80 over they it would be fine and ? on the a older bloch you just take out the plug that goes into the water jacket for the nock senser
     
  14. beater_k20

    beater_k20 Banned

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  15. noho blazen

    noho blazen Registered Member

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    on the block near the oil pan there are sqare head bolt things on each side and on my tbi stock motor it look like the knock sensor goes there
     
  16. beater_k20

    beater_k20 Banned

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    yeah, that's a block drain on the older engines...

    whats that got to do with anything? :confused: :confused:
     
  17. noho blazen

    noho blazen Registered Member

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    is that where the knock sensor goes
     
  18. balterbuilt

    balterbuilt 1/2 ton status

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    i had an engine i bored .090 over and that motor lasted about 4 years (dropped valve took it out on interstate 5).
     
  19. beater_k20

    beater_k20 Banned

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    yeah... it is...
     
  20. noho blazen

    noho blazen Registered Member

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