How bad is the Weiand X-Celerator intake? - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 02-28-2009, 07:06 PM
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Without the plate you will lose some bottom end power at the gain of top end power. The part of understanding what the divider plate does is, When it`s not in use, the cylinder is pulling from the entire mass of the carb, so when your wide open 1 cylinder is pulling in all 4 barrels so jetting changes will need to be made. With the divider in it`s only pulling off 2 barrels at WOT. If you remove the divider you can grind a notch out about a inch deep and a inch wide right inbetween the rear 2 barrels. This creates a "siphoning" effect in upper RPM levels at no expense of low end torque. But as for whats been said I agree the X-Celerator is a excellant intake, I wish they would make one for vortec heads.

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  #17 (permalink)  
Old 02-28-2009, 07:57 PM
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Keep it. Ran one eons ago on my 383 SBC in a '72 Chevelle with a TH400 and 3.73 gears. I was running an old Erson TQ30 cam 228* @ .050" with 111 LSA, the current TQ30 is 114 LSA. Anyway, it worked great. Had "just" enough vacuum for my power brakes, great throttle response right off idle and pulled HARD to 6 grand. That was without a divider plate, they hadn't added that back then.
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  #18 (permalink)  
Old 02-28-2009, 11:40 PM
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Thanks for the replies and for explaining how the divider plate works. It seems this intake has more fans than what I thought. I was talking to the wrong people and getting a bad opinion. I will definetly stick with mine.
Thanks again guys!
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Old 03-03-2009, 05:47 PM
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alot of people put this intake on 8.5 to 1 350s in the eighties, with stock converters, and gears...because those intakes were only 79.95! hence, the bashing...
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  #20 (permalink)  
Old 03-04-2009, 02:59 AM
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I made that mistake before with mismatched parts. Its easy to do.
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  #21 (permalink)  
Old 07-12-2009, 01:50 PM
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They are good manifolds and also an IMCA SPEC MANIFOLD
* Single Plane
* Square Carburetor Mounting Flange
* IMCA Approved
* Power band: 2500-7000 RPM
* Height: Front 3.09", Rear 4.06"
* Port Size: 1.85 height 1.15" width
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  #22 (permalink)  
Old 07-12-2009, 02:51 PM
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The best thing about it or the Torquer/T-II intakes is the price and they will clear low hoodlines.

They do not make as much power under the curve than an RPM (forget the Airgap) and I doubt the peak power is any better either.

These single plane low-riser's are not in the same league as an RPM, IMO.

Last edited by cobalt327; 07-12-2009 at 10:13 PM.
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  #23 (permalink)  
Old 07-12-2009, 09:23 PM
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Quote:
Originally Posted by GenYnNC
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)
The truck is 4500+lbs,and has 3.08 gears , I went with a performer vortec for my 406. Can't wait till I get it together and in there.
Shane
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Old 07-14-2009, 11:17 PM
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This is the one I'm using, it has the divider plate.
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  #25 (permalink)  
Old 07-15-2009, 12:22 AM
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If they would make the above intake for Vortec heads it would be ideal on the street with the divider plate and a Quadrajet mounting flange. IMO.
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  #26 (permalink)  
Old 07-15-2009, 06:54 AM
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What would be the outcome i.e. (inches of vaccum) if I ran a 4 hole spacer plate with my current setup.. Would the vaccum come up a bit ??? I have the 7547 X-cellerator w/o the divider plate and a low lift, .394 and .398 - high 244 @050 NHRA "stocker cam" alongwith 8:5 cr and suffering from low vaccum blues. Crazy lope at idle... and am determined to bring up the vaccum w/o a cam change or intake change.. Timing is now 18 BTDC and will go another 2 to 4 degrees 'cause of the inefficient chambers.
Intake is great though, me heads stop flowing at 4000 which means less tickets and invites to the policemen's ball.
T.
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  #27 (permalink)  
Old 07-15-2009, 07:19 AM
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Quote:
Originally Posted by opelitis5
What would be the outcome i.e. (inches of vaccum) if I ran a 4 hole spacer plate with my current setup.. Would the vaccum come up a bit ??? I have the 7547 X-cellerator w/o the divider plate and a low lift, .394 and .398 - high 244 @050 NHRA "stocker cam" alongwith 8:5 cr and suffering from low vaccum blues. Crazy lope at idle... and am determined to bring up the vaccum w/o a cam change or intake change.. Timing is now 18 BTDC and will go another 2 to 4 degrees 'cause of the inefficient chambers.
Intake is great though, me heads stop flowing at 4000 which means less tickets and invites to the policemen's ball.
T.

The vacuum will come up if you get a much better set of heads with smaller chambers.
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  #28 (permalink)  
Old 07-15-2009, 08:12 AM
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I agree!! This point in time all I have are stock heads 462624 and 14016615
at my disposal.. I have a set of Rhoads lifters sitting and I might put 'em in..
The 882 heads on the engine are dated late '73 and have not a lot of work done to them as can be seen by the rpm level that the engine drops off the wall, so I am trying a couple of things B 4 I will change out the heads.. Not a load of $$$ at this point in time sorry to say, eh... Still like the intake though, nice n' low for a 2nd Gen 81 355ci 4spd Cdn. Camaro..
T.
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  #29 (permalink)  
Old 07-15-2009, 08:18 AM
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Quote:
Originally Posted by opelitis5
I agree!! This point in time all I have are stock heads 462624 and 14016615
at my disposal.. I have a set of Rhoads lifters sitting and I might put 'em in..
The 882 heads on the engine are dated late '73 and have not a lot of work done to them as can be seen by the rpm level that the engine drops off the wall, so I am trying a couple of things B 4 I will change out the heads.. Not a load of $$$ at this point in time sorry to say, eh... Still like the intake though, nice n' low for a 2nd Gen 81 355ci 4spd Cdn. Camaro..
T.

RHS makes some 170cc heads that are relatively cheap and preform very well considering their low cost- may be something to consider. There's also the option of porting out some camel humps- you can get those for $100 a set bare now, it'd be about $450 to finish them up.
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  #30 (permalink)  
Old 07-16-2009, 04:48 PM
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I ran one of those Xcelerator intakes on a 355 sbc with world sportsman 2's along with a comp 292h cam with a holley 650 and a 3000 rpm stall with a turbo 350 and 3.73 gears and it ran awesome. I went to another weiand stealth intake cause I needed more bottom end and more for street then top end. Weiand intakes are just about as good as Edelbrock.
Eric
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