Variable Valve Timing - online discussion summary

variable valve timing

Started 1 month, 1 week ago (2009-10-05 13:06:00) by dfwjet481

hey guys how do i know if i have vvt on my car i have an 01 jetta 1.8t AWW

Source: VWvortex Forums

Forum: 1.8T Engine Forum

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RE: variable valve timing

Started 1 month, 1 week ago (2009-10-05 13:31:00) by 04VDubGLI

Search the FAQ: http://forums.vwvortex.com/zerothread?id=2666114

Source: VWvortex Forums

Forum: 1.8T Engine Forum

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Variable Valve timing.. Help me out

Started 1 month, 3 weeks ago (2009-09-18 18:18:00) by jaydnisevil

Im writing an assignment about, well how engines make power.. Iv focusing on Variable vavle timing and lift, and just having trouble getting my head around one part. http://www.youtube.com/watch?v=BlD42hYETmA I cant understand why at higher rpm bringing the timing back to idle settings (Intake opens after exhaust is completly closed) is good! Porsche do the same thing, they advance ...

Source: RS25.com - The Subaru Impreza RS Club

Forum: N/A Tuning

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variable valve timing hub

Started 2 months ago (2009-09-09 14:11:00) by nz039926

Hi all, Timing chain on my Nissan Almera got stretched so I agreed to paying £530 for the timing chain but now I got a call from garage saying the "variable valve timing hub" ceased up which caused the timing chain to stretch in the first place. Fitting a new variable valve timing hub costs £830. Does anyone know what a variable valve timing hub is? Not sure if it's worth spending £...

Source: boards.ie

Forum: Motors

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Variable Valve Timing Question

Started 2 months, 1 week ago (2009-09-05 15:16:09) by Cruiser

I understand that turbo engines have variable valve timing. does the NA have it also?

Source: The Australian 300zx Owners Association

Forum: Z Related - Technical

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Variable Valve Timing

Started 2 months, 2 weeks ago (2009-08-28 19:33:00) by So0pahBoy

Variable Valve Timing How does variable valve timing work on OHV and SOHC engines? I understand that on DOHC engines, the cam that controls exhuast or whatever advances a little. but what about SOHC? how can it advance timing if both intake and exhaust are controlled by the same cam?...

Source: Car Forums .net - Auto Chat Forum for Car, Truck, ...

Forum: Cars In General

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LNF's Infinitely Variable Valve Timing

Started 2 months, 2 weeks ago (2009-08-25 16:56:00) by So0pahBoy

I thought Infinitely Variable Valve Timing worked by using solenoids to control the valves, but Ravant Said lnf is Infinitely Variable but it's DOHC, huh?????

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audi variable valve timing

Started 2 months, 3 weeks ago (2009-08-21 10:43:00) by cichonski55

Can anyone explain to me how variable valve timing works on an Audi?? preferably on a B6. I know vtec is all oil pressure but I think Audi is different. Thanks in advance

Source: Audizine Forums

Forum: B6 A4

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RE: 7. FIAT had the first patents on variable valve timing in 60's

Started 2 days, 5 hours ago (2009-11-10 16:54:00) by divideandconquer

"Fiat was the first auto manufacturer to patent a functional automotive variable valve timing system which included variable lift. Developed by Giovanni Torazza in the late 1960s, the system used hydraulic pressure to vary the fulcrum of the cam followers (US Patent 3,641,988). The hydraulic pressure changed according to engine speed and intake pressure. The typical opening variation was 37%. In...

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Re: variable valve timing gear replacement

Started 3 weeks ago (2009-10-22 11:00:00) by Tankerhank

Others have had CEL codes for the valve timing and an oil change was relayed back from Toyota as the fix, some crap got in the oil it seems. They may of replaced parts, but you got an oil change too so maybe its fixed.

Source: Tundra Solutions Forums

Forum: Tundra

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RE: Variable valve timing problems

Started 3 weeks, 5 days ago (2009-10-16 22:50:00) by BlazedUp

QUOTE (akirby @ Oct 16 2009, 04:03 PM) Could be a PCM (computer) problem. You might also consider a new dealer - it's possible they're not diagnosing it correctly. Either that, or they did nothing to repair the problem and billed Ford anyway. Take it to a different dealer.

Source: Ford Edge Forum

Forum: Engine, Powertrain & Transmission

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