Edelbrock Performer intake manifold for 455 w/442 hood?

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Old Jul 28, 2017 | 07:04 PM
  #1  
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Edelbrock Performer intake manifold for 455 w/442 hood?

First off, is it worth it to consider the intake as a worthwhile upgrade?

Second, it appears this will not work with my hood. Is that the case or is there a work-a-round?
Old Jul 29, 2017 | 03:01 AM
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Yes the performer will be a small upgrade, the biggest difference is the weight. It should work with your hood.
Old Jul 29, 2017 | 03:59 AM
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Originally Posted by oldcutlass
Yes the performer will be a small upgrade, the biggest difference is the weight.
I totally disagree. The Performer has a more balanced runner design as well as a much larger plenum vs the stocker. It's value is not just in the weight savings but in the double digit added hp/tq as well.
Old Jul 29, 2017 | 05:18 AM
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You will need a drop base air cleaner most likely. I agree with cutlassefi Mark.
Old Jul 29, 2017 | 05:23 AM
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are you talking about the Performer or the Performer RPM? the RPM is a higher rise intake which might cause hood clearance issues - the regular Performer is essentially stock height or maybe just a fraction higher, no problem with drop base air cleaner.


I have the Performer on my 350, absolutely a great upgrade over stock.
Old Jul 29, 2017 | 05:41 AM
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Originally Posted by 70sgeek
are you talking about the Performer or the Performer RPM? the RPM is a higher rise intake which might cause hood clearance issues - the regular Performer is essentially stock height or maybe just a fraction higher, no problem with drop base air cleaner.


I have the Performer on my 350, absolutely a great upgrade over stock.
The regular Performer intake. I'm not a high RPM guy, want the torque...

The reason I ask is that the Edelbrock page says it won't work. Any suggestions for a drop base air cleaner?
Old Jul 29, 2017 | 05:54 AM
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Which carb are you running?
Old Jul 29, 2017 | 06:50 AM
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In the interest of preventing truth decay, THIS is a "442 hood" for 1970 (and do you know how hard it is to find a photo of a 442 with the original metal hood on Google Images?):



I assume the OP means the optional W-25 O.A.I. hood, as now seen on EVERY SINGLE 1970-72 Faux Four Two on the road...
Old Jul 29, 2017 | 07:59 AM
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Originally Posted by joe_padavano
In the interest of preventing truth decay, THIS is a "442 hood" for 1970 (and do you know how hard it is to find a photo of a 442 with the original metal hood on Google Images?):



I assume the OP means the optional W-25 O.A.I. hood, as now seen on EVERY SINGLE 1970-72 Faux Four Two on the road...
Yes, that is what I mean. Sorry for misrepresenting and I throw myself on my knees to the floor and ask mercy from the court!!! LOL

So, with my Faux 442 hood, will the performer fit and what drop air cleaner is recommended?
Old Jul 29, 2017 | 08:12 AM
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drop base height suggestions probably range .75" to 1.25" depending on your air cleaner element and carb height. Mostly a trial/error thing unless somebody who's already got your exact setup can clarify further.


I have a 1.25" drop base with 3" air cleaner element and even with a 1/4" carb spacer under the Qjet it clears my stock-height hood. But that's on a 350.

Last edited by 70sgeek; Jul 29, 2017 at 08:17 AM.
Old Jul 29, 2017 | 09:53 AM
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Originally Posted by 70sgeek
I have a 1.25" drop base with 3" air cleaner element and even with a 1/4" carb spacer under the Qjet it clears my stock-height hood. But that's on a 350.
That's an apples to watermelons comparison, sorry. Same with the SB Performer vs the BB Performer comparison.
You'll need to make some mods to either the intake or the air cleaner base. But imo it'll be well worth it.

Last edited by cutlassefi; Jul 29, 2017 at 10:54 AM.
Old Jul 29, 2017 | 09:56 AM
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Originally Posted by cutlassefi
That's an apples to watermelons comparison, sorry.
Aw, c'mon. Other than the different engine height, the different manifold height, and the carb spacer, it's EXACTLY the same...
Old Jul 29, 2017 | 12:14 PM
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Originally Posted by 70sgeek
the regular Performer is essentially stock height or maybe just a fraction higher
From 2016:

https://classicoldsmobile.com/forums...-question.html

Originally Posted by joe_padavano
The factory W-30 intake is a clone of the stock iron intake. The Performer has different runner geometry. It's not a massive difference, but it is different. Biggest difference is the "T" intersections in the runners, as is obvious in these photos. Not the best for flow.

W-30 (stock iron is the same shape):



Performer 455:


..
Originally Posted by olds 307 and 403
The BBO Performer is noticeably taller than the factory intake. The SBO Performer intake is much closer to stock. Longer runners and better plenum area mean more power.
Old Jul 29, 2017 | 12:33 PM
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Originally Posted by 70sgeek
are you talking about the Performer or the Performer RPM? the RPM is a higher rise intake which might cause hood clearance issues - the regular Performer is essentially stock height or maybe just a fraction higher, no problem with drop base air cleaner.


I have the Performer on my 350, absolutely a great upgrade over stock.
70sgeek is talking about an SBO Performer (sans "RPM"). The OP is asking about a BBO. Again, while true (about the SBO Performer) this post is both irrelevant to this thread and obviously confusing to the issue. As the photos above show, the BBO Performer IS taller than stock.
Old Jul 30, 2017 | 04:34 AM
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Originally Posted by 70sgeek
are you talking about the Performer or the Performer RPM? the RPM is a higher rise intake which might cause hood clearance issues - the regular Performer is essentially stock height or maybe just a fraction higher, no problem with drop base air cleaner.


I have the Performer on my 350, absolutely a great upgrade over stock.
Check the Edelbrock website, the Performer is not close to the height of the stock manifold.
Old Jul 30, 2017 | 07:08 AM
  #16  
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correct, which is why I qualified my fitment details were for my 350. I figured there'd be differences in deck height at least between SBO and BBO but the variables are essentially the same - carb, base height differences, air cleaner height, accessory items, etc.
Old Jul 30, 2017 | 07:45 AM
  #17  
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Originally Posted by 70sgeek
correct, which is why I qualified my fitment details were for my 350. I figured there'd be differences in deck height at least between SBO and BBO but the variables are essentially the same - carb, base height differences, air cleaner height, accessory items, etc.
Huh? Not by a long shot, sorry. The regular SB Performer isn't much taller than a stock iron SB intake. Whereas the bb performer is noticeably higher than stocker. Just one of a few differences.

Last edited by cutlassefi; Jul 30, 2017 at 08:27 AM.
Old Feb 13, 2023 | 09:23 AM
  #18  
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Performer intake and oai hood

Does anyone have photo's and part names to mount the oai air cleaner assembly on after using the edelbrock performer manifold on a 455?




Old Jun 5, 2023 | 12:39 PM
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Toro aftermarket manifold?

Is there any performance intake that will work on a 66 toro and still fit under the hood?
Old Jun 5, 2023 | 12:45 PM
  #20  
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How big is your wallet? This was designed for the GMC Motorhome crowd, where money is typically no object.

https://www.gmcrvparts.com/product-p...8-006-27.1.htm



Old Jun 6, 2023 | 03:54 AM
  #21  
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Originally Posted by joe_padavano
How big is your wallet? This was designed for the GMC Motorhome crowd, where money is typically no object.

https://www.gmcrvparts.com/product-p...8-006-27.1.htm


well that is interesting! Thanks for that lead and while $$$$ its worth looking into.
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