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Thread: riva heads

  1. #1

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    riva heads

    searched forum with no luck, just got the riva heads for my 13r and am confused with the cooling line instructions, says install three 1/2x1/4 45 fittings on heads and reinstall oe water lines on fittings prob is 2 lines 3 fittings came with T fitting but does not specify where it goes any help would be appreciated


  2. #2
    Moderator beerdart's Avatar
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    Tee the center and the PTO together or some dump #3 cylinder water through a pisser.

  3. #3
    Mpeavler's Avatar
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    I do recommend better bolts then the Riva...they will eat up the threads if you remove them a lot.

    M

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    hey beerdart dumb question what do u mean tee the center and pto together? pto i heard dump #3 over to heat up the pipe does that give better top end?

  5. #5
    Moderator beerdart's Avatar
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    PTO=#3 cylinder

  6. #6

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    so if i dump #3 then just connect oe lines in original order

  7. #7
    Moderator beerdart's Avatar
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    Quote Originally Posted by gpr2000 View Post
    so if i dump #3 then just connect oe lines in original order
    Yes

  8. #8

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    thanks very much for the help, one more question, where do u relocate ground wires on front of #1 cylinder? i also have my efi controller grounded there

  9. #9

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    whats the gain by dumping #3 over?

  10. #10
    African-American
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    less water pressure on the exhaust coupler..mine blew out.

    also allows the pipes to run hotter (increase in revs) and provides better cooling of the head (less water restriction).

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