[DeTomaso] Intake for 2v heads

[cengles at cox.net]

Dear Dan and Paul,

I've had two Aussie engines. The first was built by someone else and used the 2V Performer with a low end torquey cam. The second one I assembled with recommendations from Dan Jones. That one uses the Weiand X clerator which perfectly matched the Aussie ports. I didn't know there were two versions of the 2V Xclerator and I suppose I got the proper one for my use.

Comparing those two engine is like comparing apples to oranges, but I certainly prefer the Weiand Xclerator engine in all regards. It did make more power on the dyno with a 1/2" or 3/4" carb spacer.

Warmest regards, Chuck Engles

---- "P. Rimov" <rimov at charter.net> wrote:
>Dan ,I have ran both a Performer 2v and a Weiand-X on my 2v Aussi headed
>10.25:1 .531lift/268/276duration engine. The Weiand-X is better for top end
>but does not start flowing well until about 2500-3000 rpm. It will allow the
>engine to make more overall power. The ports on the 2v Weiand-X are still
>larger than 2V heads and require a little bit of porting on the head to
>match. The Performer is done at about 5800 rpm but has much better low end
>performance and drivability around town. The ports are much closer and you
>can get away from having to port match the heads but is still a good idea.
>In my opinion neither manifold is great when cold and the Weiand took a
>little more fussing with starting when not driven for awhile. If I put the
>Cleveland back in some day it will be with the Performer and some form of
>fuel injection and the Weiand will find a new home... I am sure Dan Jones
>will chime in on this thread as he is a big fan of the Weiand-X over the
>Performer. And I believe Dr Engles also has used both manifolds as well.
>Lastly, both manifolds benefited with the use of 3/4 to 1 inch carb spacer.
>
>Cheers
>
>Paul
>----- Original Message -----
>From: "Dan Courtney To: List-Subscribe:"
><dfcex at pacbell.netdetomaso@realbig.comhttp://list.realbig.com/mailman/listinfo/detomaso>;
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>Sent: Sunday, August 10, 2008 2:56 AM
>Subject: [DeTomaso] Intake for 2v heads
>
>
>>Looking at Summit I see they offer the Edlebrock Performer, Edelbrock Air
>>Gap and the Weiand XCELerator for the 2v heads.
>>The Edelbrock heads are dual plane, Weiand is single plane.
>>Does anyone have a recommendation for a somewhat modified,10.25:1,
>>hydraulic cam, 280/284 duration, 540 lift, intended for street use and
>>lower rpm powerband (5,500 max)?
>>
>>Thank You,
>>Dan
>>
>>
>>Dan F. Courtney
>>
>>
>>Excalibur Commercial Real Estate Services
>>La Jolla, CA
>>
>>Phone (858) 551-5455
>>Fax (858) 551-5456
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