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304 Holden 304 heads group a????

Discussion in 'V8 Development and Modification' started by H1GHROLLR, Apr 12, 2009.

  1. H1GHROLLR

    H1GHROLLR CHEMICALLY SUPERCHARGED

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    Hi there people a mate just brought a set of heads and he was told

    that there group a they have a casting number at the front of the

    head it is 13g0 and one at the back 92050019. . I have a set of

    group a heads but there at my engine builders so i cant compare

    is there any way you can tell if they are or not. . . .
     
  2. vyjess

    vyjess New Member

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    hi the group a ones i have seen have a oval d shaped exhaust port where as standard ones have square shapped exhaust port!
     
  3. greenfoam

    greenfoam New Member

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    Look in Reapers VP thread he posted pictures of his D port heads just the other day
     
  4. H1GHROLLR

    H1GHROLLR CHEMICALLY SUPERCHARGED

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    cheers boys your legends is there anyway of checking heads via the numbers on them
     
  5. greenfoam

    greenfoam New Member

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    You wont need to it will be obvious comparing the exhaust ports on them, even via a picture. The standard head looks alot different
     
  6. H1GHROLLR

    H1GHROLLR CHEMICALLY SUPERCHARGED

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    lol just spoke to him then and he said the ports are square lol so there only normal 304 heads lucky he got them for a good price
     
  7. 96SEN8R

    96SEN8R New Member

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    Just out of interest fellers, Group A VN head's part number ends in 757
     
  8. H1GHROLLR

    H1GHROLLR CHEMICALLY SUPERCHARGED

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    dunno i will check mine on tuesday i know mine are vn group A because i removed them from a written off vn GROUP A i got the heads and the twin throttles for $5500
     

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