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  1. #1
    casual poster UNLEASHED's Avatar
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    Default Running Moroso vac pump WITH Vortech gilmer crank pulley. Options??

    Running the Moroso vac pump but thiking how the HELL am I going to hook up the vac pump??
    The Vortech will be running the crank brace so looking for anyone whos actuall crossed this problem and what you did to rectify it??
    TIA

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  2. #2
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    Any room for v pully I off water pump and sizing vac pully accordingly?

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  3. #3
    casual poster UNLEASHED's Avatar
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    I HAD though of designing a waterpump pulley with an extra v belt surface on the smaller diameter just forward of the wp/alt/ crank belt??
    Might be a cost effective option or even adding one to the front of the ps pulley??
    Aside from that an electric motor??

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  4. #4
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    You can put one of the VR / VS (I think) dual v pullies on. I think they're around 4 to 4.5" diameter. I have one in the shed somewhere.

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  5. #5
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    Unleashed, check Diecrest Holden V8 electric belt driven waterpump kit. You could modify that to Vac pump. If I can work out how to use photo bucket with Tapatalk I'll attach a pic

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  6. #6
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    Diecrest Holden V8 electric waterpump pully kit

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  7. #7
    casual poster UNLEASHED's Avatar
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    Ah, that looks like a good option? I wonder if the bracket is reversable to fit on the drivers bolts side on the water pump so i doesnt foul with the Vortech bracket and the intake pipe? Running Active twin tech throttle hat...

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  8. #8
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    vac pumps need some serious torque to be driven if you look at the elec vac pumps for sale they are 24 volt for that reason i have the same problem atm with a customers engine trying to fit the vac pump with no room anywhere to drive it from
    ONE STOP MOTORSPORT SHOP - engine building and development - tuning and complete fuel systems-- latest dyno dynamics dyno --click the link to see our facebook page https://www.facebook.com/pages/Zok-R...9505334?ref=hl

  9. #9
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    The pic looks like there are holes in the bracket on the right side, that look similar to bolt pattern on the left side of the water pump. Might be my eyes though

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  10. #10
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    Your engine looks pretty good

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  11. #11
    casual poster UNLEASHED's Avatar
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    Thanks narva! Might do some dummying up again to get a better look at it with the ac compressor and ps pump off the other car but Ive got the Crank pulley at a mech engineer atm making a boss mounting plate for the strutbrace bearing so wont be until this week. .. 🙂

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  12. #12
    Do you ever leave? cava454's Avatar
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    Can you mount it where the ac would usually sit and drive it off the water pump?

    Late model vs had the 3 groove water pump pulley also.

  13. #13
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    That was the initial plan on the VP SS but Ive bought an all original VP Senator so want to keep the climate control which is making things a little more difficult... 🙂

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  14. #14
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    I might look into a thinner belt for the Vortech and find a spot? Ive already thrown out the idea of fmic air/air pipework I have to just run water/meth jets on the 2" spacer to avoid any bodywork cutting..
    Im just throwing thoughts on the air atm...lol.

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  15. #15
    Do you ever leave? RVK 355's Avatar
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    Running it off the water pump pulley, dont forget that the vac pump needs to be run at %50 of crank shaft rpm, so you will have to work out the ratio if you went off the water pump

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