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Thread: Victor jr

  1. #1

    Victor jr

    I was thinking about trying a victor jr intake.Here is my current setup; 350 sbc,Dart 215/64cc,Perf RPM Air Gap,Comp XR288HR,750 Quickfuel,3000+stall,th350,4.11 gears,28 inch tire,3500lbs.Would there be any advantage to running a victor jr over the RPM Air Gap? Would street manners be diminished too much? Everything I've read shows that I could go either way.

  2. #2
    Senior Member MASTER BUILDER
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    intake

    My opinion is it would slow down , if it weighed 2600 lbs, 6000 stall and a lots of camshaft it might be better but not with your combo. Later J.Smith 4621 racing

  3. #3
    Senior Member EXPERT BUILDER
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    If it were me I would stay with what you have.

    I did this exact swap on my truck and picked up .15 in the 1/8 and 2 mph. BUT this was on a 406 with a .570 lift solid in my 2575 pound truck with 5400 stall converter and 513 gears.
    Josh VanHorne

    1964 Chevy Nova
    Worlds quickest and fastest tow truck. (9.92 @ 137)

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  4. #4
    Senior Member RACING JUNKIE
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    Quote Originally Posted by DragsterJosh
    If it were me I would stay with what you have.

    I did this exact swap on my truck and picked up .15 in the 1/8 and 2 mph. BUT this was on a 406 with a .570 lift solid in my 2575 pound truck with 5400 stall converter and 513 gears.
    Hey Josh, or anyone,

    Have you tried the torquer manifold, VS either one of the other manifolds mentioned, the reason i ask is that's what i've been running with both gas carb, and alcohol toliet, but my car is heavy, just curious if i've been missing something?

    Zip.

  5. #5
    Senior Member MASTER BUILDER
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    Your right at that cut off point. Meaning, the converter and gear you have, are at the rpm that the Victor Jr. starts to take over. If it was mine, I would probably leave the Air gap. If you have a buddy that has a Victor Jr to try, then try it, before you buy it. If you plan on running any NOS, then put the Victor Jr on it.

    Frank

  6. #6
    Senior Member EXPERT BUILDER
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    I AGREE,IF SPRAYING OR SPINNING IT UP 7000 OR MORE JR,IF NOT RPM IS VEEEEEERY HARD TO BEAT

  7. #7
    Senior Member EXPERT BUILDER
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    Hey Zip,

    I have never tried the torquer myself. If you had a buddy you could borrow a Victor Jr from then I would slap it on there and try it. Thats what I did was borrow a friends and never gave it back...lol... I ended up buying it from him.

    Josh....
    Josh VanHorne

    1964 Chevy Nova
    Worlds quickest and fastest tow truck. (9.92 @ 137)

    http://static.racingjunk.com/63/ui/7...247837-479.jpg

    http://www.racingjunk.com/profile/211708

  8. #8
    Senior Member RACING JUNKIE
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    In my opinion your cam, compression ratio along with rear gears and stall dictate what mainfold you want, big breathing engines with alot of compression and large cam profiles love single plane intakes.
    Since you didnt give any cam spec or compression numbers I'll assume your running pump gas and don't really have alot of comp which would mean your probably right where you want to be with that performer rpm.
    The heads you have are some pretty deep breathers though which is probably killing your low end torque some already - if you go with a race type manifold like the single plane Vic JR you'll most likely have a dog off the line but then again thats - JMO>Cp
    ***IN GOD WE TRUST***

  9. #9
    Thanks everyone. My compression is about 10:1. My cam is a Comp Cams hydraulic roller 236/[email protected] with a 108LSA on a 106 LC. I've just read an article that Hot Rod magazine did comparing a RPM Air Gap, Victor Jr., and Super Victor on a 410 sbc. They tested these as cast and ported. The Air Gap was better throughout the entire rpm range than the Victor Jr. when ported and not that far behind as cast. On their particular setup the Super Victor was the best. I know I've got pretty small displacement for my big heads but it loves the flow. I run a RPM Air Gap right now. I have a Victor Jr. to try but maybe I'll just port the RPM and sell the Victor Jr. Thanks again you guys are great.


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