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1 gr-fe v6

Discussion in 'Technical Chat' started by N3ZAT, Feb 1, 2011.

  1. Feb 1, 2011 at 10:48 AM
    #1
    N3ZAT

    #1
    N3ZAT [OP] Well-Known Member

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    Is the 1 gr-fe 4.0 v6 considered a hemi since the plugs sit in the center of the heads
     
    N3ZAT, Feb 1, 2011
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  2. Feb 1, 2011 at 10:51 AM
    #2
    97T

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    97T Resident T100 guy

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    im going to go with no since hemi is more of a dodge thing
     
    97T, Feb 1, 2011
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  3. Feb 1, 2011 at 11:03 AM
    #3
    chris4x4

    #3
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes. Most all OHC engines use a "Pent roof" also known as a "Hemi" cumbustion chamber.
     
    chris4x4, Feb 1, 2011
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  4. Feb 1, 2011 at 11:03 AM
    #4
    N3ZAT

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    N3ZAT [OP] Well-Known Member

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    well according to webster the term hemi would describe the v6 4.0 gr-fe since the heads are hemispherical in shape . inefficient in shape u need some xplaining to do?
     
    N3ZAT, Feb 1, 2011
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  5. Feb 1, 2011 at 11:04 AM
    #5
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Thats correct. A "Hemispherical" cumbustion chamber is very efficient for cumbustion.
     
    chris4x4, Feb 1, 2011
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  6. Feb 1, 2011 at 11:05 AM
    #6
    N3ZAT

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    N3ZAT [OP] Well-Known Member

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    Thanks Chris i was sure this topic would get some grons...
     
    N3ZAT, Feb 1, 2011
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  7. Feb 1, 2011 at 11:07 AM
    #7
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    chris4x4, Feb 1, 2011
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  8. Feb 1, 2011 at 11:09 AM
    #8
    chris4x4

    #8
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    That article you quoted even states:
     
    chris4x4, Feb 1, 2011
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  9. Feb 1, 2011 at 11:15 AM
    #9
    chris4x4

    #9
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    It still flows better than any other design, which is why its used in most vehicles.
     
    chris4x4, Feb 1, 2011
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  10. Feb 1, 2011 at 11:18 AM
    #10
    N3ZAT

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    N3ZAT [OP] Well-Known Member

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    That may be the case on emission standards and if you take a look at a gm wedge u will see they slid the rings so far up the piston to compensate for emissions making for less combustion and end result loss of power? its all being burnt up in the catalytic converters.
     
    N3ZAT, Feb 1, 2011
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  11. Feb 1, 2011 at 11:19 AM
    #11
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Same design, just "tweaked" for use with a 4 valve per cyl. head. Its still called a "Pent Roof" cumbustion chamber.
     
    chris4x4, Feb 1, 2011
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  12. Feb 1, 2011 at 11:26 AM
    #12
    N3ZAT

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    N3ZAT [OP] Well-Known Member

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    GO back and look for toyota designs on other engines and you will see they called them hemi v8 up to v12 s they even had a 4cyl hemi.
     
    N3ZAT, Feb 1, 2011
    #12
  13. Feb 1, 2011 at 11:27 AM
    #13
    blackhawke88

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    blackhawke88 wo ai ni bao bei ^_^

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    nice! My taco's 'got a hemi' lol my friend and i were just talking about how most Dodge Hemi owners prolly have no idea every other car on the road also have Hemispherical heads
     
    blackhawke88, Feb 1, 2011
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  14. Feb 1, 2011 at 11:53 AM
    #14
    chris4x4

    #14
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    The term "pent roof" and "hemi" mean the same thing. Even in Toyota lituratue, they list it as "pent roof" combustion chamber, then in parenthesise say " hemispherical"
     
    chris4x4, Feb 1, 2011
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  15. Feb 1, 2011 at 11:57 AM
    #15
    N3ZAT

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    N3ZAT [OP] Well-Known Member

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    well no expert by any means but i love my cars/trucks/ tractors u name it.????? i am 60 going on 16 .did i get your goat??????
     
    N3ZAT, Feb 1, 2011
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  16. Feb 1, 2011 at 1:37 PM
    #16
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    chris4x4, Feb 1, 2011
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  17. Feb 1, 2011 at 1:48 PM
    #17
    mjp2

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    mjp2 Living vicariously through myself Moderator

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    Details aside, I think we can all agree on one thing: If anybody puts a "Yeah, it's got a hemi" sticker on their Tacoma they deserve to be bludgeoned.
     
    mjp2, Feb 1, 2011
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  18. Feb 1, 2011 at 1:50 PM
    #18
    chris4x4

    #18
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    ABSOLUTLY!


    Now.....A Vtec sticker....Thats just Kewl...:cool:
     
    chris4x4, Feb 1, 2011
    #18

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