ITT, I ask silly questions about building my VVT motor
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Joined: Jan 2007
Posts: 3,022
Total Cats: 120
From: Bolton, UK
My case will help you very little, but may indicate the effort it will take to measure.
ST 11:1, block/head decked 0.8mm in total, 305 cams with 10.7mm lift:
4.7mm clearance at TDC with -13 degree advance (that's what the decking gave).
Measuring at many points revealed that I have contact at 24 degrees advance and beyond (10 degree sweep that is nono).
This was measured without the 0.8mm gasket to simulate stretch at about 8krm.
Do you know how much your intake cam lift at 47 degrees?
ST 11:1, block/head decked 0.8mm in total, 305 cams with 10.7mm lift:
4.7mm clearance at TDC with -13 degree advance (that's what the decking gave).
Measuring at many points revealed that I have contact at 24 degrees advance and beyond (10 degree sweep that is nono).
This was measured without the 0.8mm gasket to simulate stretch at about 8krm.
Do you know how much your intake cam lift at 47 degrees?
I have no idea on the stock VVT cam specs though.
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Thread Starter
Joined: Jan 2007
Posts: 3,022
Total Cats: 120
From: Bolton, UK
Also, for the past couple of months I've searched for a VVT connector/pigtail. I only just discovered the OCV fits perfectly on the orange connector for the evap solenoid 
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