Manifold for Ported Head and Jenvey?

[sdaddy]

Any suggestions for a Zetec 3 intake manifold that works with Jenvey throttle bodies and won't restrict flow into a ported (Massive) head?

 

It doesn't look like the current manifold has enough "meat" for grinding to match the head.

 

Jenvey says they don't sell a ported manifold.

 

:bigear:

[super7guy]

Did you try Raceline UK?

[sdaddy]

Thanks. I'll contact them to see if their manifold might work with big ports.

[danilo]

There are arguements for having anti reversion steps in the intake tract.. as well as the exhaust.

Perhaps you have inadvertently created something good?

[Kitcat]

Perhaps pay a visit to focusfanatics.com, a forum, as the name implies, for Ford Focuses. TONS of tuning info abt Zetecs (and Duratecs) there. And TurboTom hangs out there, aka:1turbofocus, and he is a font of real-world based knowledge abt Zetecs of every stripe. He mite have some helpful info.

Edited December 17, 2012 by Kitcat

[pi7ot]

Mangoletsi sp?

They make side draft manifolds for various engines, and have two lengths (DCOE apps) for the Zetec head.

I bought one from Burtons in the UK several years ago. Has a lot of meat on it for porting/sculpting exercises .

 

m

[sdaddy]

Mangoletsi sp?

They make side draft manifolds for various engines, and have two lengths (DCOE apps) for the Zetec head.

I bought one from Burtons in the UK several years ago. Has a lot of meat on it for porting/sculpting exercises .

 

m

Thanks!

[Klasik-69]

You may want to check this link;

 

http://www.borla.com/products/induction/

 

I have the original TWM throttle body injection that Jon @ CaterhamUSA put on the engine he built for the original owner and they appear pretty meatty. I think Borla bought them out after my unit was made, not sure, but it works pretty well for non-turbo apps. Running pump gas, I'm pulling a little over 180 HP at the rear wheels and the torque curve is relatively flat. However, the cost of changing the ITB's added to the cost of re-tuning on the dyno can be expensive. If you need specifics on the ITB, let me know.

[1turbofocus]

There are manifolds out there for ITB that can be ported large on the runners , dont worry about matching them to the massive head as the heads runner are to big and more for looks then actually making good power , way over priced and over rated , the Ford Racing head was much smaller opening / runners and made the same and sometimes better power

 

Its ok to go small intake to large head , what you dont want to do is large intake to a small head this would create swirl , go with what you can find , open them the best you can and go for it

 

http://www.ebay.com/itm/FORD-ZETEC-WEBER-DCOE-45-JENVEY-THROTTLE-BODIES-SHORT-INLET-MAN-/260894070325?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3cbe7f9635#ht_828wt_779

They offer a 40mm and a 45mm

 

Tom

Edited December 22, 2012 by 1turbofocus

[sdaddy]

There are manifolds out there for ITB that can be ported large on the runners , dont worry about matching them to the massive head as the heads runner are to big and more for looks then actually making good power , way over priced and over rated , the Ford Racing head was much smaller opening / runners and made the same and sometimes better power

 

Its ok to go small intake to large head , what you dont want to do is large intake to a small head this would create swirl , go with what you can find , open them the best you can and go for it

 

Tom

 

Thanks!