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  1. #1

    Default What's difference in 84 turbo head vs 86 na head?

    picking up an 84 svo this weekend. There isn't a head on it currently but I do have my 86 na laying there, will this work?

  2. #2

    Default

    A lot of difference. Unfortunately I don't know all the details but I do know this has been discussed before. Unfortunately, the search function on here does not work right now so I suppose you would have to scroll through pages. But I have read enough of these threads to know that the heads are not the same at all.

  3. #3

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    Exhaust valves are different. I think the combustion chamber has a different shape, but you can port/clean up the chambers to fix this.

  4. #4
    FEP Senior Member 8T6 SVO's Avatar
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