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Old 11-13-2018 | 03:50 AM
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Curious if Victor Jr Intake Manifolds are comparable to HP500 Intakes. They look similar, but I'm not sure if they work well. I currently have 454 Mag intakes with spacers and I would like to swap out for a single plane and eliminate the spacer.
Thank you.

Last edited by Titan907; 11-13-2018 at 03:56 AM. Reason: Adding info
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Old 11-13-2018 | 05:52 AM
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yes they are fairly close, as is the holley strip dominator
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Old 11-14-2018 | 01:07 PM
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I think it would be a big step backwards as far as torque I dynoed a 502 with Edelbrock heads and a fairly small cam this spring and the torque difference between a junior and a standard performer was about 40 Less foot pounds and compared to Edelbrock RPM air gap performer was 60 less foot pounds it gained nothing until you got way past the powerband and it was a couple horsepower for what it's worth

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Old 11-14-2018 | 02:12 PM
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Originally Posted by articfriends
I think it would be a big step backwards as far as torque I dynoed a 502 with Edelbrock heads and a fairly small cam this spring and the torque difference between a junior and a standard performer was about 40 Less foot pounds and compared to Edelbrock RPM air gap performer was 60 less foot pounds it gained nothing until you got way past the powerband and it was a couple horsepower for what it's worth
Yep, it was Smitty’s advice here that made me toss the Victor Jr and use the performer air gap. It keeps gobs of torque and still has that clean mean look of a single plane that we love instead of looking like it came out of a motorhome.

Also the Victor Jr needs a TON of porting to make work well. I may be wrong, but I believe it was made for the peanut port heads. At least the oval unit I had had about a 1/4” of material that needed to be hogged out of it.
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Old 11-14-2018 | 02:12 PM
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Originally Posted by articfriends
I think it would be a big step backwards as far as torque I dynoed a 502 with Edelbrock heads and a fairly small cam this spring and the torque difference between a junior and a standard performer was about 40 Less foot pounds and compared to Edelbrock RPM air gap performer was 60 less foot pounds it gained nothing until you got way past the powerband and it was a couple horsepower for what it's worth
Saw the same thing on a 468.
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Old 11-14-2018 | 02:13 PM
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Originally Posted by articfriends
I think it would be a big step backwards as far as torque I dynoed a 502 with Edelbrock heads and a fairly small cam this spring and the torque difference between a junior and a standard performer was about 40 Less foot pounds and compared to Edelbrock RPM air gap performer was 60 less foot pounds it gained nothing until you got way past the powerband and it was a couple horsepower for what it's worth
Smitty..I know a couple people that run the Professional Products Hurricane intake ( Dart copy I believe) do you have any experience with those?
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Old 11-14-2018 | 03:30 PM
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Same thing basically. Anything under 500 + - CI and under 550 hp and spinning under 5,600 I would stay dual plane. Personal opinion and experience.
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Old 11-14-2018 | 06:31 PM
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Originally Posted by getrdunn
Same thing basically. Anything under 500 + - CI and under 550 hp and spinning under 5,600 I would stay dual plane. Personal opinion and experience.
You had some great input on that V Jr as well. You were right that thing would need some real hogging out.
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Old 11-15-2018 | 03:00 AM
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Thanks very much guys. I'll look into the air gap manifolds.
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Old 11-15-2018 | 09:44 AM
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They still look pretty cool and not like some truck engine.


Last edited by Baja Rooster; 11-15-2018 at 09:47 AM.
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