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Enthusiast ![]() ![]() Joined Sep 23, '04 From fresno Currently Offline Reputation: 0 (0%) ![]() |
Hi i heard and did tons of research already so dont ask me to go do
anymore..anyways.......is 7age possible useing a 4age 16v complete head with ecu and harnes.... on a 7afe block....... and what kinda of timing blet to used....since its taller then stock..............aslo it is possible to used ITB on the head ?? how hard is it to rewire the harness on a 94 celica st.......thank you all for helping .............................. .. GOING N/A .. ALL MOTOR |
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![]() Enthusiast ![]() ![]() ![]() ![]() ![]() Joined Dec 27, '03 From Nor Cal Currently Offline Reputation: 0 (0%) ![]() |
Variable Valve Timing works with the intake cam gear. It has nothing to do with the head design really... aside from oil passeages and stuff. Basically, on the silvertop 20V... VVT kicks on at 4000 rpms and the ECU sends a signal to the VVT solenoid and the solenoid acutates the VVT. It works like a computer controlled Cam Gear that advances 15 degrees. It doesn't make a huge difference, but it does increase top-end response. On VVT-i models, the VVT solenoid is always active and can retard and/or advance the intake timing any time depending on rpm, throttle, and conditions. Usually VVT-i is only on the intake side, with exception to the 3SGE BEAMS Blacktop which had it on both intake and exhaust. And yes... you can run the engine without trouble without the VVT. I'm currently waiting on a set of cam gears for mine... =] This post has been edited by Kwanza26: Oct 22, 2004 - 12:10 PM -------------------- "It's ok to be naked girl... I'm an artist!"
1995 AT200 Celica ST: stocked out daily driver... 1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies... 1991 SW2x MR2 n/a: bare bones hardtop model soon to be... |
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