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  1. #1

    Default Opti Block Off Plate

    Does anyone know if the water pump has to come off to install the GM opti delete plate?

    And or, can I buy a opti seal alone?
    Correlation does not imply causation.

    Una salus victis nullam sperare salutem

  2. #2
    LTX Regular


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    Aubrey
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    (2) 1994 Camaro Z28
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    Default

    When I installed my electric water pump, I removed the mechanical pump drive gear and covered the hole with a quarter and some JB weld. I did it from the inside of the front cover, but that should work from the outside of the cover as well. Ya may or may not have to remove the water pump to get that method done.
    '94 Z28 Red, SLP Ultra Z hood/air box/spoiler, LT1 w/deletions & mods, 4L60e, Pacesetter LTs/ORY, LS1 front brakes, Kenny Brown Double Diamond SFCs.
    '94 Z28 Arctic White, T-tops, retired.

  3. #3

    Default

    That is already done, this is the opti hole in the timing cover.
    Correlation does not imply causation.

    Una salus victis nullam sperare salutem

  4. #4
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    Mike
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    Default

    I don't think you'll be able to remove the old opti without the pump coming off. I have 1" water pump spacers on my Buick that allow me to swap optis without seeing coolant. The length of the rotor that goes into the cam snout is what makes the install tight.
    96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", 414whp sae, awaiting boost
    95 Roadmaster T-56 swap, LE1s, cc304 w/1.7rr, 4.56s, "The Cammaster"

  5. #5

    Default

    Quote Originally Posted by Catmaigne View Post
    I don't think you'll be able to remove the old opti without the pump coming off. I have 1" water pump spacers on my Buick that allow me to swap optis without seeing coolant. The length of the rotor that goes into the cam snout is what makes the install tight.
    No opti is on motor.

    Just had a cheesy aluminum plug RTV'd into timing cover and I bought the GM opti delete plate. Wondering if I have to yank the water pump to slide new plate into place.
    Correlation does not imply causation.

    Una salus victis nullam sperare salutem

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