About the Duratec

leedstao · 04-14-2008, 01:51 AM

Does the Duratec work like a i-Vtec engine? I mean the variable vale lifting?
The manual says the valve clearance is "Hydraulic valve adjusters". If it's true, what is the shifting RPM?

BigBalledOX · 04-14-2008, 01:52 AM

Comando489 · 04-14-2008, 02:01 AM

Quote:

Originally Posted by BigBalledOX

No.

are you sure?

Blackcoog · 04-14-2008, 03:43 PM

Yes, he's sure. There is no VVT or Vtec. You might be confusing the IMRC with what you think is VVT. It opens the secondary butterflies in the lower intake and the ECU advances timing all at about 3500rpm. The car seems to really pickup at this point.

99mcougar · 04-14-2008, 05:21 PM

^^what he said, the newer 3L's (like in the fusion) and the new 3.5L's have VVT tho, but our cougar engines don't.

B3NN3TT · 04-14-2008, 05:34 PM

Duratec just kicked in, yo.

leedstao · 04-14-2008, 10:57 PM

Maybe there is something confusing. I am asking about the variable valve lifting, not variable valve timing. I mean the valves move deeper than what they do in low RPM.

I know that the new 3.5/3.7 duratec (may be true for 3.0) has s-vt, which means "timing", and our 2.5 doesn't have.

Comando489 · 04-14-2008, 10:58 PM

Quote:

Originally Posted by B3NN3TT

Duratec just kicked in, yo.

i need a bumper sticker that says that.

B3NN3TT · 04-14-2008, 11:22 PM

Quote:

Originally Posted by leedstao

Maybe there is something confusing. I am asking about the variable valve lifting, not variable valve timing. I mean the valves move deeper than what they do in low RPM.

NO.

Comando489 · 04-14-2008, 11:44 PM

Quote:

Originally Posted by B3NN3TT

NO.

are you sure?

04-14-2008, 01:51 AM	#1 (permalink)
leedstao NECO Member Join Date: Dec 2007 Posts: 21	About the Duratec Does the Duratec work like a i-Vtec engine? I mean the variable vale lifting? The manual says the valve clearance is "Hydraulic valve adjusters". If it's true, what is the shifting RPM?

04-14-2008, 03:43 PM	#4 (permalink)
Blackcoog 3L Install Maestro Join Date: Oct 2000 Location: Minneapolis, MN Posts: 4,357	Re: About the Duratec Yes, he's sure. There is no VVT or Vtec. You might be confusing the IMRC with what you think is VVT. It opens the secondary butterflies in the lower intake and the ECU advances timing all at about 3500rpm. The car seems to really pickup at this point. __________________ Current Rides 1999 MTX Cougar, 3L Supercharged 325hp and 278tq 1999 SVT Contour, Ported 3L Visit: http://www.3lduratec.com For info on ready to drop in 3L's and our supercharger kit.

04-14-2008, 05:21 PM	#5 (permalink)
99mcougar NECO Member Join Date: Feb 2006 Location: Lethbridge/Medicine Hat Alberta Posts: 2,660 Images: 4	Re: About the Duratec ^^what he said, the newer 3L's (like in the fusion) and the new 3.5L's have VVT tho, but our cougar engines don't. __________________ A.K.A. "Black Betty" Cougardb Cardomain<--- Click for the list of mods

04-14-2008, 10:57 PM	#7 (permalink)
leedstao NECO Member Join Date: Dec 2007 Posts: 21	Re: About the Duratec Maybe there is something confusing. I am asking about the variable valve lifting, not variable valve timing. I mean the valves move deeper than what they do in low RPM. I know that the new 3.5/3.7 duratec (may be true for 3.0) has s-vt, which means "timing", and our 2.5 doesn't have.

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