SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: Luckie Stiff on July 02, 2008, 05:20:47 PM

Title: Intake manifold recommendations
Post by: Luckie Stiff on July 02, 2008, 05:20:47 PM

I'm thinking it's time for an aftermarket intake, the question is do I want a single plane? Dual Plane? Air Plane?

Engine is a .040 429, mild cam, points ignition, bassett headers, D3 heads, 800CFM Holley DP

Anybody?

Title: Re: Intake manifold recommendations
Post by: 2savage4you on July 02, 2008, 05:23:13 PM

Dual plane ;)

2sav

Title: Re: Intake manifold recommendations
Post by: Luckie Stiff on July 02, 2008, 05:25:00 PM

Quote from: 2savage4you on July 02, 2008, 05:23:13 PM

Dual plane ;)

2sav

por que holmes?

Title: Re: Intake manifold recommendations
Post by: pw_Tony on July 02, 2008, 05:28:23 PM

As you know probably know skip we've done a few test of intakes on different combo fords. With a .030" over 429, C9 heads, big valves, and a decent hydraulic cam.... there was no Mph difference between a Victor intake, and the Weiand Stealth. Spinning a tight A impeller 5200Rpm.

Now if it was a 460, it would probably be a different story. From a few dynos I've seen it seems like after 5200 is when the single plane takes over and makes more power..... but the little 429 doesn't have enough size, or perhaps stroke, to really turn good RPM, this is also with an 11.5:1, and different carberator combinations

Title: Re: Intake manifold recommendations
Post by: GT Jets on July 02, 2008, 05:30:13 PM

Cessna 172RG w/ 160HP option and constant speed prop ;D

How hard does it run now?, if it stays in the 5,000 area I like the Edlebrock RPM Air Gap, But if it will run over 5k go to a Torker. IMO the air gaps make really good mid/upper to about 5,000 and are easy to tune with a double pumper beacause of the hybrid carb opening, they also respond well to open spacers.

Haven't used one yet, but heard good things about the Weiand Team G Stealth stuff from the race guys running crate engines.

Title: Re: Intake manifold recommendations
Post by: 2savage4you on July 02, 2008, 05:31:55 PM

Quote from: Luckie Stiff on July 02, 2008, 05:25:00 PM

por que holmes?

Cause i dont think you will spin the RPM's needed to make the single plane work for you.
But i could be wrong, i am a chevy guy :D

2sav

Title: Re: Intake manifold recommendations
Post by: GT Jets on July 02, 2008, 05:32:27 PM

check this out.

http://www.socaljetboats.com/index.php?topic=3771.0;topicseen

Title: Re: Intake manifold recommendations
Post by: 2savage4you on July 02, 2008, 05:33:23 PM

Quote from: GT Jets on July 02, 2008, 05:32:27 PM

check this out.

http://www.socaljetboats.com/index.php?topic=3771.0;topicseen

I think your a little late ;D

2sav

Title: Re: Intake manifold recommendations
Post by: GT Jets on July 02, 2008, 05:45:54 PM

My bad :D didn't even read the most recent. :banghead:

Title: Re: Intake manifold recommendations
Post by: GT Jets on July 02, 2008, 06:19:01 PM

Quote from: 2savage4you on July 02, 2008, 05:33:23 PM

I think your a little late ;D

2sav

I was too early! ;D ;D ;D


http://www.socaljetboats.com/index.php?topic=3771.0

Title: Re: Intake manifold recommendations
Post by: 2savage4you on July 02, 2008, 06:22:23 PM

NICE ;D

2sav

Title: Re: Intake manifold recommendations
Post by: The Chaz on July 02, 2008, 11:11:34 PM

Yeah it caught my attention O0  I wrapped it up and put it in storage when I switched to the tunnel ram in case I didn't like the new set up.  Now I like the look of the TR too much to switch back, even if it is more of a hassle.  Mine pushed an almost stock 460 to 5400 RPM's with a Edlebrock 750 logs and snailsand an A impeller.  I even pushed it up in the 6000's when I was towing a boat (that cost me a bearing :banghead:) but it got there smoothly :mad: