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Thread: b18 vs b20 head

  1. #1
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    b18 vs b20 head

    which head is better? ive heard that the b20 heads have slight bigger cams and bigger valves. is this true? im going to be boosting my teg here soon and dont wanna go vtec just because. but i found some b20 heads and didnt know if it would be worth getting one. oh and turbo is t4 .67 A/R with tial 38mm wastegate. and then i just need to send ecu out to get tuned and its golden.


  2. #2
    K Series K20EF9's Avatar
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    It's only the b20 p8r head.

    It has the 84mm chambers with 33mm intake valves if I'm not mistaken.
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  3. #3
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    so would it be better to just swap heads since im already switching both mani's on the head anyways? putting skunk 2 pro series 2 intake mani on and then well turbo stuff and what not.

  4. #4
    K Series K20EF9's Avatar
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    If you can find a p8r b20 head then sure. The p75 b20 head is the same as the ls.
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  5. #5
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    i got a complete b20 head for sale..!!! 75 dollars if ur interested.. completely stock... has just about 65k miles on it... went lsv in my old da dont have the car anymore head is sitting in a box in my closet..
    Im FrOm NeW JeRz MeMbEr #3

  6. #6
    K Series K20EF9's Avatar
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    Quote Originally Posted by CiViC Ej8 GsR View Post
    i got a complete b20 head for sale..!!! 75 dollars if ur interested.. completely stock... has just about 65k miles on it... went lsv in my old da dont have the car anymore head is sitting in a box in my closet..
    Is it the p8r or p75 head..? If it's the p75 head then it's exactly what he has now.
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  7. #7
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    whats better about the p8r?

  8. #8
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    Quote Originally Posted by K20EF9 View Post
    Is it the p8r or p75 head..? If it's the p75 head then it's exactly what he has now.
    not sure which one it is.. it came out of a 98 honda crv... got the swap like 2 years ago from a shop near me they installed it.. thing ran great.. how do u know which one it is?
    Im FrOm NeW JeRz MeMbEr #3

  9. #9
    K Series K20EF9's Avatar
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    Quote Originally Posted by chadillac45 View Post
    whats better about the p8r?
    :facepalm:

    If you would look at my first post in this thread I already answered that question.
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  10. #10
    K Series K20EF9's Avatar
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    Quote Originally Posted by CiViC Ej8 GsR View Post
    not sure which one it is.. it came out of a 98 honda crv... got the swap like 2 years ago from a shop near me they installed it.. thing ran great.. how do u know which one it is?
    It should have it stamped on the head. If you look at the 1st picture they have the year circled on the left. The stamp you want to be looking for is at the same spot to the right of that.



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