Is edelbrock performer olds 455 a good intake - ClassicOldsmobile.com


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Old May 18th, 2017, 06:52 PM   #1
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Is edelbrock performer olds 455 a good intake

I bought a really nice edelbrock performer for 75 dollars,I was wanting the rpm performer but how can you pass up a 75 dollar olds intake.im building a 455 30 over, edelbrock rpm aluminum heads , crane w 31 cam , would this intake be ok to use on it? Thanks
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Old May 18th, 2017, 08:23 PM   #2
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There is no Performer RPM for the big block Olds - the Performer 455 is the equivalent of the small block Performer RPM as it is a high rise manifold. And yes, it is a very good manifold.
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Old May 18th, 2017, 10:46 PM   #3
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Yes and no no

The Performer 455 is a great intake.

Skip the W-31 cam as there are far better cams out there.
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Old May 19th, 2017, 05:05 AM   #4
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Originally Posted by Fun71 View Post
There is no Performer RPM for the big block Olds - the Performer 455 is the equivalent of the small block Performer RPM as it is a high rise manifold. And yes, it is a very good manifold.
Hmmm not sure where you've been the last 5 years or so but....
https://www.summitracing.com/parts/e...FUUvgQodyHEHPQ

And the BB Olds Performer is NOT nearly the same as a SB RPM. Two different intakes with different runner sizes, lengths, and plenums to say the least.

OP- use the regular Performer for your build. And as Dave said ditch the idea of the W31 cam.
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Old May 19th, 2017, 09:03 AM   #5
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Hmmm not sure where you've been the last 5 years or so but....
https://www.summitracing.com/parts/e...FUUvgQodyHEHPQ
Before I posted I looked at Edelbrock's web site and saw "Performer RPM" listed as small block only. Now I see that below that is an intake called "RPM Air Gap" for the BBO, and you have to actually go to that intake's web page to see it called "Performer RPM Air-Gap".

http://www.edelbrock.com/automotive/...ds/oldsmobile/

So much for trying to research before posting.

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Originally Posted by cutlassefi View Post
And the BB Olds Performer is NOT nearly the same as a SB RPM. Two different intakes with different runner sizes, lengths, and plenums to say the least.
Of course they will have different dimensions since one is for BBO and the other is for SBO. What I meant was that the Performer 455 is not the BBO equivalent of the Performer 350; it is more like the SBO Performer RPM.

Last edited by Fun71; May 19th, 2017 at 09:09 AM.
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Old May 19th, 2017, 09:07 AM   #6
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Cam

[QUOTE=cutlassefi;1016218]Hmmm not sure where you've been the last 5 years or so but....
https://www.summitracing.com/parts/e...FUUvgQodyHEHPQ

And the BB Olds Performer is NOT nearly the same as a SB RPM. Two different intakes with different runner sizes, lengths, and plenums to say the least.

OP- use the regular Performer for your build. And as Dave said ditch the idea of the W31 cam.[/QUOTE. Ok I've had others say the same thing about the cam, but mooned says what cam to use. Enlighten me ,4 speed trans 3:42 gear , 30 over 455 , edeldrock alum heads.
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Old May 19th, 2017, 03:40 PM   #7
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What is a better cam then the w31?

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Originally Posted by joes66olds View Post
I bought a really nice edelbrock performer for 75 dollars,I was wanting the rpm performer but how can you pass up a 75 dollar olds intake.im building a 455 30 over, edelbrock rpm aluminum heads , crane w 31 cam , would this intake be ok to use on it? Thanks
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Old May 19th, 2017, 03:50 PM   #8
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What cam should I use?

I've had people tell me not to use the w31 camshaft but no one is telling me what to use in its place .so it looks like I need some help in the camshaft department,any ideas.heres what I'm working with,455 30 over,manual trans,edelbrock rpm aluminum heads,edelbrock performer intake,750 Holley,power brakes
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Old May 19th, 2017, 07:02 PM   #9
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Erson hyd flat tappet 232/[email protected] with .568 Lift on both.
Or the Lunati roller grind that I use in all my 500hp and up 455 builds, 235/[email protected], .579/.587 Lift, both with 1.6 rockers.
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Old May 27th, 2017, 09:04 AM   #10
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Really just matters on what you wanting the motor to do I would suggest a roller over tappet cam. Also where you want your power to be. I have a DMR cam hydraulic roller cam in my 461 that purposes 550hp and 600lbs at 4000-6000 power range but I usely race my mine it .583 lift.
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