B20Vtec, Blox B, and intake valve closing ABDC questions...
Thread Starter
Joined: May 2005
Posts: 1,536
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From: The Bottom of the Map, Miami
I'm trying to calculate my dynamic c/r and have questions.
1. Is there a formula to find intake valve closing ABDC, in degrees, using my camshaft specs?
2. Does anyone know, more or less, at what c/r the Blox B's like to shine?
1. Is there a formula to find intake valve closing ABDC, in degrees, using my camshaft specs?
2. Does anyone know, more or less, at what c/r the Blox B's like to shine?
Thread Starter
Joined: May 2005
Posts: 1,536
Likes: 0
From: The Bottom of the Map, Miami
Ok, but what about generally speaking....regardless of the manufacturer, as long as I have the specs there's no way to calculate this? Or would I need something like a degree wheel and go from there to find this out?
Ninja Edit: here's the calculator I'm using if it helps: http://www.wallaceracing.com/dynamic-cr.php
Ninja Edit: here's the calculator I'm using if it helps: http://www.wallaceracing.com/dynamic-cr.php
Call BLOX, they should be able to give you the numbers. You need primary and secondary closing events as you do have more than one cam profile in a VTEC.
52 ABDC at 0.050" lift would be a number that would work provided you can do all of the following:
Properly set up a degree wheel accurately dialed to read zero TDC when your #1 cyl. piston is at TD, axially align your indicator to your valve, locked VTEC, Zero Lash, timing belt installed as it would be when the engine is running, check and correct for acceptable v-v and p-v clearances.
Properly set up a degree wheel accurately dialed to read zero TDC when your #1 cyl. piston is at TD, axially align your indicator to your valve, locked VTEC, Zero Lash, timing belt installed as it would be when the engine is running, check and correct for acceptable v-v and p-v clearances.
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