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CORunner93
Rock Warrior

Reged: 03/02/04
Posts: 654
Loc: Colorado

Re: The 3.0 build-up thread.
02/02/06 12:46 AM

I can't think of a reason the runner length would make a difference...except for the fact that both the 3.0L and 3.4L motors seem to go out of their way to have long runners. But then again, I'm not a motor builder.

From a theoretical point of view, longer runners just add more resistance and make it harder for the motor to take a breath....so I'd think they would cost you power from that perspective. On the other hand, a longer runner means there is going to be more moving mass (of air) in the runners. Which might make for some momentum to help stuff some more air into the cylinder just before the valve closes....and the piston get's closer to the bottom of the stroke and therefore is moving slower and not sucking as hard. I think both of those factors could have a small effect at most though.

Years and years ago I worked for a guy who raced winston cup. The motor (granted a small block chevy and not a 3.0L toyota) had a custom made aluminum manifold. The whole thing was made of sheet aluminum (except the flanges).....and it was something like 1/8 inch, I think. They had bent and shaped and cut the aluminum into all weird sorts of shapes...but there was nothing so exotic as round tube used. I remember the runners were square and almost as straight as could be....and If I remember right, there was no taper at all to the runners either....constant width & height the whole way. I do know that the height of the thing was an issue. The oil pan was almost dragging on the ground and the 'hood' was practically on top of the intake. But, the runner were as short as possible.

I dunno.....I'm curious to hear what someone with some actual experience has to say.....?

--------------------
'93 4Runner - 3.4L 5VZ-FE, 2" body lift, on-board-air system, custom gauge cluster, rear e-locker, electric fan, custom built front and rear bumpers, sliders, 4,88 gears...all on 33x12.5's.

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Subject	Posted by	Posted on
The 3.0 build-up thread.	Rauch_Off_Road	01/26/06 05:43 PM
Re: The 3.0 build-up thread.	runner95	03/08/07 11:34 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	03/09/07 07:43 AM
Re: The 3.0 build-up thread.	runner95	03/13/07 03:47 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/07/07 09:55 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	07/29/07 11:30 PM
Re: The 3.0 build-up thread.	Greg_Canada	07/30/07 02:35 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	07/30/07 07:26 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/26/06 06:23 PM
Re: The 3.0 build-up thread.	CORunner93	05/26/06 07:23 PM
Re: The 3.0 build-up thread.	Greg_Canada	05/26/06 10:33 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/27/06 11:04 AM
Re: The 3.0 build-up thread.	Greg_Canada	05/27/06 08:52 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/29/06 10:32 PM
Re: The 3.0 build-up thread.	Greg_Canada	05/29/06 10:34 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/30/06 06:11 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	06/04/06 09:45 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/09/06 07:38 PM
Re: The 3.0 build-up thread.	irish_ROCKS	10/09/06 08:04 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/09/06 11:10 PM
Re: The 3.0 build-up thread.	IceBlueT	10/11/06 01:14 AM
Re: The 3.0 build-up thread.	DirtyHarry	10/11/06 11:53 AM
Re: The 3.0 build-up thread.	IceBlueT	10/11/06 06:38 PM
Re: The 3.0 build-up thread.	DirtyHarry	10/11/06 07:03 PM
Re: The 3.0 build-up thread.	Ganoid	10/11/06 05:42 PM
Re: The 3.0 build-up thread.	DirtyHarry	10/11/06 06:16 PM
Re: The 3.0 build-up thread.	Ganoid	10/11/06 07:15 PM
Re: The 3.0 build-up thread.	Greg_Canada	10/11/06 07:58 PM
Re: The 3.0 build-up thread.	dcg9381	10/23/06 04:16 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/23/06 08:26 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/23/06 01:16 PM
Re: 3.0 oil cooler	Toy4x	10/23/06 08:36 PM
Re: 3.0 oil cooler	Rauch_Off_Road	10/23/06 08:49 PM
Re: 3.0 oil cooler	Toy4x	10/23/06 09:06 PM
Re: 3.0 oil cooler	Rauch_Off_Road	10/23/06 09:35 PM
Re: 3.0 oil cooler	Toy4x	10/24/06 12:14 AM
Re: 3.0 oil cooler parts	Toy4x	10/26/06 10:23 PM
Re: 3.0 oil cooler	Rauch_Off_Road	10/24/06 12:38 AM
Re: 3.0 oil cooler	Rauch_Off_Road	10/24/06 05:30 PM
Re: 3.0 oil cooler	kewlynx	10/25/06 01:45 AM
Re: 3.0 oil cooler	Rauch_Off_Road	10/25/06 10:48 AM
Re: 3.0 oil cooler	Snowtoy	10/26/06 08:28 PM
Re: 3.0 oil cooler	Greg_Canada	10/24/06 05:50 PM
Re: 3.0 oil cooler	Rauch_Off_Road	10/23/06 09:49 PM
Re: 3.0 oil cooler	Anonymous	10/23/06 11:09 PM
Re: 3.0 oil cooler	Rauch_Off_Road	10/23/06 11:30 PM
Re: The 3.0 build-up thread.	Anonymous	10/23/06 03:45 PM
Re: The 3.0 build-up thread.	bkg	10/11/06 11:21 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/11/06 11:49 AM
Re: The 3.0 build-up thread.	engnbldr	05/27/06 11:37 AM
Re: The 3.0 build-up thread.	dogtoy	04/15/06 01:16 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 04:31 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 08:43 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 03:55 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 04:10 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 04:18 PM
Re: The 3.0 build-up thread.	TimsToyo	01/27/06 01:24 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/27/06 01:48 PM
Re: The 3.0 build-up thread.	Toy4x	01/27/06 08:01 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 03:36 PM
Re: The 3.0 build-up thread.	averkam	04/14/06 07:47 AM
Re: The 3.0 build-up thread.	engnbldr	04/16/06 12:47 PM
Re: The 3.0 build-up thread.	CORunner93	04/16/06 01:04 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	04/16/06 02:18 PM
Re: The 3.0 build-up thread.	CORunner93	04/16/06 03:45 PM
Re: The 3.0 build-up thread.	CORunner93	04/14/06 05:31 PM
Re: The 3.0 build-up thread.	ToyoLoyal	04/15/06 12:23 PM
Re: The 3.0 build-up thread.	CORunner93	04/15/06 01:16 PM
Re: The 3.0 build-up thread.	ToyoLoyal	04/14/06 12:10 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	04/14/06 12:30 PM
Re: The 3.0 build-up thread.	Toy4x	01/29/06 07:01 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 03:41 PM
Re: The 3.0 build-up thread.	Anonymous	01/29/06 11:31 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 11:40 PM
Re: The 3.0 build-up thread.	Anonymous	01/30/06 09:38 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/30/06 09:04 PM
Re: The 3.0 build-up thread.	CORunner93	02/01/06 12:22 AM
Re: The 3.0 build-up thread.	Snowtoy	02/01/06 07:08 PM
Re: The 3.0 build-up thread.	CORunner93	02/01/06 10:28 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/02/06 12:02 AM
Re: The 3.0 build-up thread.	CORunner93	02/02/06 12:46 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/02/06 12:58 AM
Re: The 3.0 build-up thread.	engnbldr	05/26/06 11:01 PM
Re: The 3.0 build-up thread.	CORunner93	05/27/06 01:00 AM
Re: The 3.0 build-up thread.	Greg_Canada	05/26/06 11:12 PM
Re: The 3.0 build-up thread.	engnbldr	05/26/06 11:29 PM
Re: The 3.0 build-up thread.	stock87	05/27/06 01:09 AM
Re: The 3.0 build-up thread.	engnbldr	05/27/06 08:31 AM
Re: The 3.0 build-up thread.	CORunner93	02/02/06 01:24 AM
Re: The 3.0 build-up thread.	Anonymous	02/02/06 10:14 AM
Re: The 3.0 build-up thread.	Kutter	10/25/06 01:31 AM
Re: The 3.0 build-up thread.	Snowtoy	10/26/06 08:17 PM
Re: The 3.0 build-up thread.	Kutter	10/27/06 11:41 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/27/06 12:57 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	11/09/06 11:21 PM
Re: The 3.0 build-up thread.	CORunner93	02/02/06 10:56 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/02/06 11:19 PM
Re: The 3.0 build-up thread.	CORunner93	02/03/06 12:49 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/03/06 05:00 PM
Re: The 3.0 build-up thread.	CORunner93	02/03/06 10:01 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/03/06 10:31 PM
Re: The 3.0 build-up thread.	CORunner93	02/03/06 11:05 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/03/06 11:52 PM
Re: The 3.0 build-up thread.	CORunner93	02/04/06 12:32 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/05/06 03:58 PM
Re: The 3.0 build-up thread.	CORunner93	02/05/06 05:03 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/05/06 05:37 PM
Re: The 3.0 build-up thread.	Anonymous	02/05/06 11:53 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/06/06 12:13 AM
Re: The 3.0 build-up thread.	Anonymous	02/06/06 11:03 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/06/06 06:58 PM
Re: The 3.0 build-up thread.	Anonymous	02/06/06 11:39 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/07/06 05:58 PM
Re: The 3.0 build-up thread.	Anonymous	02/08/06 01:10 PM
Re: The 3.0 build-up thread.	Greg_Canada	02/08/06 02:24 PM
Re: The 3.0 build-up thread.	Anonymous	02/08/06 05:02 PM
Re: The 3.0 build-up thread.	hupptoy	02/08/06 11:46 PM
Re: The 3.0 build-up thread.	4WD22R	02/09/06 12:42 AM
Re: The 3.0 build-up thread.	Greg_Canada	02/09/06 01:36 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/18/06 11:46 AM
Re: The 3.0 build-up thread.	CORunner93	02/18/06 04:00 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/18/06 09:50 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	03/27/06 06:10 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	04/05/06 09:29 PM
Re: The 3.0 build-up thread.	CORunner93	04/06/06 01:14 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	04/06/06 10:54 PM
Re: The 3.0 build-up thread.	bkg	04/06/06 11:12 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/26/06 11:01 AM
Re: The 3.0 build-up thread.	engnbldr	10/27/06 11:03 AM
Re: The 3.0 build-up thread.	stock87	10/26/06 12:49 PM
Re: The 3.0 build-up thread.	Greg_Canada	10/26/06 02:37 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/26/06 04:00 PM
Re: The 3.0 build-up thread.	stock87	10/26/06 04:15 PM
Re: The 3.0 build-up thread.	Ganoid	10/26/06 04:39 PM
Re: The 3.0 build-up thread.	stock87	10/26/06 07:18 PM
Cylinder Head Comparrison	Toy4x	10/27/06 02:19 AM
Re: Cylinder Head Comparrison	Rauch_Off_Road	10/27/06 10:10 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	10/26/06 06:45 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/03/06 10:17 PM
Re: The 3.0 build-up thread.	Anonymous	05/03/06 10:56 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	05/12/06 06:54 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/08/06 06:12 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/09/06 12:05 AM
Re: The 3.0 build-up thread.	CORunner93	02/09/06 12:27 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/09/06 01:11 AM
Re: The 3.0 build-up thread.	Rusty Davis	02/07/06 11:06 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/07/06 11:40 PM
Re: The 3.0 build-up thread.	Greg_Canada	02/03/06 12:14 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/03/06 04:50 PM
Re: The 3.0 build-up thread.	DirtyHarry	02/03/06 10:46 AM
Re: The 3.0 build-up thread.	Anonymous	02/03/06 01:47 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	02/02/06 06:38 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/31/06 01:57 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 04:01 PM
Re: The 3.0 build-up thread.	Anonymous	01/27/06 09:17 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/27/06 11:23 PM
Re: The 3.0 build-up thread.	CORunner93	01/28/06 03:15 AM
Re: The 3.0 build-up thread.	Anonymous	01/28/06 11:54 PM
Re: The 3.0 build-up thread.	CORunner93	01/29/06 12:21 AM
Re: The 3.0 build-up thread.	Anonymous	01/29/06 12:52 AM
Re: The 3.0 build-up thread.	CORunner93	01/29/06 01:05 AM
Re: The 3.0 build-up thread.	Anonymous	01/29/06 01:33 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 02:43 PM
Re: The 3.0 build-up thread.	CORunner93	01/29/06 03:09 PM
Re: The 3.0 build-up thread.	CORunner93	01/28/06 11:58 PM
Re: The 3.0 build-up thread.	Anonymous	01/29/06 12:34 AM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/28/06 12:34 PM
Re: The 3.0 build-up thread.	TRDSR5	01/29/06 03:43 PM
Re: The 3.0 build-up thread.	CORunner93	01/28/06 03:24 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/28/06 04:16 PM
Re: The 3.0 build-up thread.	CORunner93	01/28/06 08:52 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 03:23 PM
Re: The 3.0 build-up thread.	Greg_Canada	01/29/06 03:44 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 04:02 PM
Re: The 3.0 build-up thread.	Greg_Canada	01/29/06 08:22 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/29/06 08:53 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/28/06 06:00 PM
Re: The 3.0 build-up thread.	Toy4x	01/28/06 06:52 PM
Re: The 3.0 build-up thread.	bkg	01/28/06 01:15 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/27/06 08:21 PM
Re: The 3.0 build-up thread.	Anonymous	01/27/06 02:28 PM
Re: The 3.0 build-up thread.	CORunner93	01/27/06 01:31 AM
Re: The 3.0 build-up thread.	JackKnife	01/26/06 07:11 PM
Re: The 3.0 build-up thread.	Rodgertheshrubber	01/26/06 08:39 PM
Re: The 3.0 build-up thread.	Rauch_Off_Road	01/26/06 08:45 PM
Re: The 3.0 build-up thread.	JackKnife	01/26/06 11:41 PM

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