Aluminum Intake for '71 460 - 460 Ford Forum
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post #1 of 13 (permalink) Old 11-29-2016, 04:03 AM Thread Starter
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Aluminum Intake for '71 460

I would like to swap my stock Intake Manifold for an aluminum one while still utilizing my stock Carburetor for my '71 Lincoln Big Block 460. Any suggestions? Thank you.
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post #2 of 13 (permalink) Old 11-29-2016, 12:50 PM
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I would like to swap my stock Intake Manifold for an aluminum one while still utilizing my stock Carburetor for my '71 Lincoln Big Block 460. Any suggestions? Thank you.
In a stock application use the eddy PERFORMER and block off the heat cross over if not a cold weather driver.



S

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post #3 of 13 (permalink) Old 03-26-2017, 08:26 PM Thread Starter
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You are the second person to recommend the Performer. Thanks a ton!!
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post #4 of 13 (permalink) Old 03-26-2017, 10:57 PM
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You are the second person to recommend the Performer. Thanks a ton!!

Depending on application, build and hood room the jomar spacers both the equilizer 3 hole and the power cone can add a good bit of power to an already good intake. I've got plenty of dyno and seat of the pants date to back that up.




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Scotty J. "AKA" The "Mad Porter"
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Ported BBF iron head specialist & Aluminum heads from all sources.
Custom ground cams
See our products in the Vendor for sale section
Customized crate engines
http://R-H-P.biz

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post #5 of 13 (permalink) Old 03-27-2017, 08:31 AM
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Quote:
Originally Posted by The Mad Porter View Post
Depending on application, build and hood room the jomar spacers both the equilizer 3 hole and the power cone can add a good bit of power to an already good intake. I've got plenty of dyno and seat of the pants date to back that up. S
Not to hijack the thread - but, are you referring to the 1" Power Cone (p/n 5016-X)? I assume the "equalizer 3 hole" is a different manufacture as it doesn't show up on the Jomar website.

On the other BBF forum, there is a sticky thread on these spacers. Carb Spacer - Airflow Test
Are these results (and % improvements) just relevant to all-out-performance/track engines - since the taller the spacer (and with open center) has the most flow increase over no spacer? For street applications, I don't think maximum airflow is the goal.

*
1982 F-250 XLT 4x4, 5800lbs, C6-BW1345, 466 cid, 9.5:1, TFS290 PowerPort heads, Crane Hyd Roller Cam (278/286 adv., 216/224 @.050), Edelbrock Performer, Hedman headers, QFT HR-780VS, MSD6A and Billet dist., NOS Cheater system, 4.56 gearing, 7" lift, 37" tires.
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post #6 of 13 (permalink) Old 03-27-2017, 12:04 PM
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Not to hijack the thread - but, are you referring to the 1" Power Cone (p/n 5016-X)? I assume the "equalizer 3 hole" is a different manufacture as it doesn't show up on the Jomar website.

On the other BBF forum, there is a sticky thread on these spacers. Carb Spacer - Airflow Test
Are these results (and % improvements) just relevant to all-out-performance/track engines - since the taller the spacer (and with open center) has the most flow increase over no spacer? For street applications, I don't think maximum airflow is the goal.
Of course maximum airflow is not paramount on the street. Better quality airflow however is always relevant.

The Jomar Equalizer is pictured. It is designed to add a bit of plenum volume on the shallow side of a dual plane with out a NOTHCHED septum / divider. It is typically worth about 7 pounds and as much power on our under 460 hp crate combos running the performer intake. Use on a Torquer 2 is a different matter.

John A. at Jomar and I were talking about six months ago. He was mentioning anecdotal data suggesting good power increases on the SBC's using the powercone on dual plane intakes as well. He specifically asked me to test them and get some numbers. Suffice to say the power cone is worth an ADDITIONAL 9 to 10 hp vs the equalizer.

There is a slight shift in the torque peak. The power cone lets the usually isolated sides of the dual plane's plenum chat with one another helping better the peak output everywhere above peak torque.

In strictly towing applications 3 hole which John makes at my request.

In dual duty play toys Power cone.




S
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Scotty J. "AKA" The "Mad Porter"
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Ported BBF iron head specialist & Aluminum heads from all sources.
Custom ground cams
See our products in the Vendor for sale section
Customized crate engines
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post #7 of 13 (permalink) Old 05-16-2017, 04:34 AM Thread Starter
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How do you block off the heat crossover?
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post #8 of 13 (permalink) Old 05-16-2017, 12:26 PM
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Cool

14 to 16 gauge stainless cut to fit either the gasket cut out or the actual exhaust cross over itself. Held in place with RTV on both sides.




S
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Scotty J. "AKA" The "Mad Porter"
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Ported BBF iron head specialist & Aluminum heads from all sources.
Custom ground cams
See our products in the Vendor for sale section
Customized crate engines
http://R-H-P.biz

"ReinCarNation High Performance" (253)-988-6648


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post #9 of 13 (permalink) Old 05-18-2017, 03:04 AM Thread Starter
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I forgot to ask why this is necessary? I do live in Southern California, so I guess I really don't need the heat crossover, but wat would it hurt to not block it off? Does it rob power or something?

Thanks a bunch,

John
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post #10 of 13 (permalink) Old 05-18-2017, 05:47 AM
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Heat in the intake will boil the fuel. In the hot places of the world (like where I live) this is hard enough to prevent in the first place.
Without any sort of shield in place, oil also burns on the bottom side of the intake. When tearing down old engines with these crossovers, it's normal to see a ton of burnt oily carbon all over the valley.
Many old aluminum intakes burn through in the crossover as well.

Scotty chose to block this at the head in his picture above. I prefer to block it at the intake because it's easier to do on a bench vs on the engine.

I take sheet metal, cut to size. tap it in place and smear some jb weld over it to hold it in place.




Drew
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post #11 of 13 (permalink) Old 05-18-2017, 07:06 AM
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To add another layer of heat shielding, I have had good luck in using a valley pan designed for an LPG application(ex. '78 F250 w/ 460) under my Performer intake. Felpro #MS96044 , really helped/solved fuel bowl boiling issues.
http://contentinfo.autozone.com/znet...96044/image/3/

Hope this helps.

www.supermotors.net/22468

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post #12 of 13 (permalink) Old 05-23-2017, 03:48 AM Thread Starter
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I will definitely be doing this. Thanks!
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post #13 of 13 (permalink) Old 05-23-2017, 03:49 AM Thread Starter
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Thanks for the ideas guys. Much appreciated
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