How bad is the Weiand X-Celerator intake? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-26-2009, 01:43 PM
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How bad is the Weiand X-Celerator intake?

I have one of these intakes on my mild 406. I bought it new a couple of years ago, but now everyone tells me its junk and I should have went with an Edelbrock RPM Airgap. Its says the intake's rpm range is 1500-6500 with the divider plate installed. Thats the way I'm running it. Is it worth the money to swap this out? I don't want to spend $200 and only get a few horsepower.
I thought I could get anway with a single plane on a 406 because it produces a ton of torque anyway.
I'm running 215 Dart iron Eagle heads, 11-1 CR, and a XE284 cam. I also have 3.55 gears and a 4 speed.
Thanks for your time

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Old 02-26-2009, 02:04 PM
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Save your money and keep the Weiand !
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Old 02-26-2009, 03:23 PM
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With that combo you may be better off with the X-celerator. If you really want to change it out why not buy a used one, throw it on and and re sell the one you don't like.

Jordon
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Old 02-26-2009, 03:49 PM
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re

I'm running that exact intake on my 327. It runs great! Your not going to really tell the difference between it and the air gap trust me. It an excellent manifold.
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Old 02-26-2009, 05:15 PM
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keep what u got they say its junk because they want you to sell it to them cheap when u buy a new one
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Old 02-26-2009, 07:11 PM
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xxllmm has good advice, if you can find one used, an rpm airgap, or rpm, might give you a tenth, or 1 car length in a 1/4 mile, i would rather see you put the money toward a sniper nitrous kit!!!
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Old 02-26-2009, 07:18 PM
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Don't listen to those dual plane wimps! Seriously you've got 400+ cubes, the x-celerator is perfectly fine in your application. (Just kidding about the dual plane supporters, I just like 'ruffle their feathers every now and then)
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Old 02-26-2009, 07:48 PM
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Do you drag race this car or primarily street drive it?
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Old 02-27-2009, 02:25 AM
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Thanks for the replies. I'm glad to hear good things about this intake. I didn't want to change it. It looks like a smaller version of a Victor Jr. or a Team G and they are both excellent pieces.
My brother in law has a Torker 2 on his 406 and it doesn't lack torque. I've heard people compare the Torker 2, to the X-celerator. They are just older single plane designs that still work.
This is a street car but I do plan on taking it to the strip a time or two.
Thanks for all of the help and advice.
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Old 02-27-2009, 07:36 AM
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This was before the airgap style dual plane and weiand had the 8013 (oval bbc dual plane) In my buds S10 he ran high 11's (with a 750 holley).And he wanted to try my X-celerator and ran 11.40s. Granted it is an older design, and as long as the parts complement each other it should work fine.
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Old 02-27-2009, 07:57 AM
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The intake X-CELerator part number 7546 has an rpm range of 1500 - 6000.
It can be run with or w/o the plenum divider plate.. Height on yours is 4.38" in the front and rear is 5.31"
I have the X-CELerator 7547 intake w/o the plenum divider with an rpm range of 2000-6500 rpms. Height on mine is front 3.09" and rear 4.06".
Figured because of the real short intake and limited space in a 1981 Z28
all would be well. Made a bad cam decision in which I put a Cam Dynamics
"stocker" bumpstick in there with way too much duration alongwith 882 heads that were done up a bit.. Intake works great on my 355ci 4 spd. until the heads stop working (4000 - 4500) rpms and then she drops off the wall. I can't knock the intake. T'was my ultimate decision to use 244@050 cam.
If you really want to fine tune your 7546 intake, years ago an Econo racer by the name of Doug Dye came out with various divider plates of varying heights for this intake to tailor exactly what he felt was correct to use on certain tracks and weather conditions on race day. Don't know if yah wanna git that technical, but the intake can't / couldn't be all that bad with one of these brains playing around a bit.. They used to sell these plates outta either a Moroso or Mr Gasket catalogue.. Keep it and do your own thing!!
Ted
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Old 02-27-2009, 12:23 PM
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Thanks for the replies. The way it sounds I'm the smart one for picking this intake and not going along with the newer is better thing. I remember seeing divider plates that were taylored to certain engines, it has been a while ago. I probably won't go that technical. I will continue to use it. If you take it out don't you lose a little low end torque?
Thanks again for all of the ehlp
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Old 02-27-2009, 05:24 PM
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This would seem to be tough to answer without a real back to back test. How quick is your 57 at the dragstrip ?
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Old 02-27-2009, 05:52 PM
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The paperwork that came with the one I have said for cams under 250* duration @.050" use the divider plate. A cam that size wont have much bottom end anyway. The plates still available but the intake isn't.
http://store.summitracing.com/partde...5&autoview=sku

http://store.summitracing.com/partde...6&autoview=sku
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Old 02-28-2009, 09:56 AM
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I have no dragstrip times yet, but I should in the next month or two. My cam is under 250 duration @ .050. I have never tried it without the plate, I may one day just for comparison reasons.
Thanks for the replies
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