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how are you locking vtec when degreeing cams?

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Old 06-14-2011, 05:57 PM   #1
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Default how are you locking vtec when degreeing cams?

How are you guys locking vtec when degreeing camsAlso how the hell are you supposed unlock the pins with out taking the cams out and scewing up everything that u just did
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Old 06-14-2011, 06:36 PM   #2
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T1 has a tool that works good you may want to call them tomorrow.
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Old 06-14-2011, 09:33 PM   #3
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Why would taking the cams out screw things up? Adjust the gears to where you want your centerlines, then pull the cams out, put the rocket pins back to stock, then put the cams back in. Done.

To lock vtec, I put a small ball bearing in the end of the rocker then put the pins back in then set the lash to 0 and degree away.
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Old 06-14-2011, 09:46 PM   #4
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That's how I do it now. are you sure that accurate enough ? Differences in belt tension even makes a difference
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Old 06-15-2011, 02:15 AM   #5
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Default Re: ?

degreeing just puts you in the ballpark, dyno/track will tell where the setup likes it best...

belt tension should be similair in between cam swaps
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Old 06-15-2011, 02:53 AM   #6
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the bolt on the left u put air presure n it locks vtec...there a video on youtube by a member here...http://www.honda-tech.com/showthread.php?t=2858137 go tru that thread..
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Old 06-15-2011, 04:45 AM   #7
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Default Re: ?

why not just put the gauge tip on the vtec rocker. thats what we do. I dont know how many different types of gauges there are though.
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Old 06-15-2011, 04:50 AM   #8
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Default Re: ?

All you have to do is swap the vtec pins in the rocker arms and it will be on the high cam.
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Old 06-15-2011, 08:05 AM   #9
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Default Re: ?

Quote:
Originally Posted by turbotypeR@SPEC View Post
All you have to do is swap the vtec pins in the rocker arms and it will be on the high cam.
LOL. Exactly. People are over-complicating this. Honda provides you with the parts to use from factory. Just reverse them.
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Old 06-15-2011, 09:16 AM   #10
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Default Re: how are you locking vtec when degreeing cams?

That would work...... but it doesn't cause the dial is on the return rocker
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Old 06-15-2011, 09:48 AM   #11
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Default Re: how are you locking vtec when degreeing cams?

With compressed air and Honda air stopper tool, Worked great!
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Old 06-15-2011, 10:17 AM   #12
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Default Re: how are you locking vtec when degreeing cams?

lol. all of this is over complicated.
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Old 06-15-2011, 11:07 AM   #13
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Default Re: how are you locking vtec when degreeing cams?

Quote:
Originally Posted by SPOOLINmatt View Post
lol. all of this is over complicated.
lol, fact.

use even a m4/m5 lock washer, set lash to 0, and you're set.
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Old 06-15-2011, 11:18 AM   #14
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Default Re: how are you locking vtec when degreeing cams?

Sorry I've only Degreed vtec killers.... so I havnt had to lock anything
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Old 06-15-2011, 04:52 PM   #15
 
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Default Re: how are you locking vtec when degreeing cams?

I would like someone to explain to me how differences in belt tension could affect valve events and when they occur?

I'm not being difficult either...I hear this a lot but no one can give me an explanation.
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Old 06-17-2011, 05:24 AM   #16
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Default Re: how are you locking vtec when degreeing cams?

Quote:
Originally Posted by xenocron View Post
I would like someone to explain to me how differences in belt tension could affect valve events and when they occur?

I'm not being difficult either...I hear this a lot but no one can give me an explanation.
belt tension does not effect timing. any slack in the belt is on the back side near the tensioner/waterpump. the relationship between the crank and cam gears stays the same (front side).

the only thing that would effect timing would be a stretched belt.

like someone mentioned earlier i dont see why you couldnt degree and check lift by setting up your indicator on the vtec rocker if using an adjustable magnetic indicator but you wont be able to check p2v w/o locking the rockers together. alot of us use the belben degree kits and the indicators are fixed and set on the small lobe rocker.

locking vtec is very simple. just swap the pins or use a couple small flat washers behind the pin. the belben kit comes w/ tiny bearings to use but i throw those in the trash before they end up somewhere they shouldnt be.
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Old 06-18-2011, 07:12 AM   #17
 
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Default Re: how are you locking vtec when degreeing cams?

Nicely put Randy...

And I learned something new about swapping the pins...I too am always worried about dropping a BB in the motor, yikes!
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Old 06-18-2011, 07:17 AM   #18
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Default Re: how are you locking vtec when degreeing cams?

Good thread...
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Old 06-18-2011, 04:17 PM   #19
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Quote:
Originally Posted by SPOOLINmatt View Post
why not just put the gauge tip on the vtec rocker. thats what we do. I dont know how many different types of gauges there are though.
This might work to get you close to a centerline, but you can't graph the cams or get any values this way.
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Old 06-20-2011, 01:30 PM   #20
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Default Re: how are you locking vtec when degreeing cams?

sorry if this is a stupid question but why do this? and when would you want to do this?
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Old 06-20-2011, 02:32 PM   #21
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Default Re: how are you locking vtec when degreeing cams?

to degree your cams in and check piston to valve clearance
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Old 06-20-2011, 02:39 PM   #22
 
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Default Re: how are you locking vtec when degreeing cams?

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Originally Posted by rainmanef View Post
sorry if this is a stupid question but why do this? and when would you want to do this?
#1 reason, most cams are made in China

#2 every motor is different, there are tolerances in manufacturing...and when you are running big cams, tolerances in your motor get smaller. Knowledge is power and checking and degreeing your cams allows you, your builder and your tuner KNOW that everything is on point, rather than guessing or saying "good enough"

#3 even on "stock" cam or "drop-in" cams your timing can be off if the head or block is milled or you have added a thicker headgasket

#4 because why buy adjustable cams and set them to 0, 0

#5 because you want to make the most power safely


When would be EVERYTIME you assemble a new motor preferably (speaking as a tuner)
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Old 07-20-2011, 06:03 AM   #23
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Default Re: how are you locking vtec when degreeing cams?

Quote:
Originally Posted by xenocron View Post
#1 reason, most cams are made in China

#2 every motor is different, there are tolerances in manufacturing...and when you are running big cams, tolerances in your motor get smaller. Knowledge is power and checking and degreeing your cams allows you, your builder and your tuner KNOW that everything is on point, rather than guessing or saying "good enough"

#3 even on "stock" cam or "drop-in" cams your timing can be off if the head or block is milled or you have added a thicker headgasket

#4 because why buy adjustable cams and set them to 0, 0

#5 because you want to make the most power safely


When would be EVERYTIME you assemble a new motor preferably (speaking as a tuner)

thank you sir. learned something new today
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Old 07-21-2011, 04:00 AM   #24
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Default Re: how are you locking vtec when degreeing cams?

Quote:
Originally Posted by xenocron View Post
#1 reason, most cams are made in China

#2 every motor is different, there are tolerances in manufacturing...and when you are running big cams, tolerances in your motor get smaller. Knowledge is power and checking and degreeing your cams allows you, your builder and your tuner KNOW that everything is on point, rather than guessing or saying "good enough"

#3 even on "stock" cam or "drop-in" cams your timing can be off if the head or block is milled or you have added a thicker headgasket

#4 because why buy adjustable cams and set them to 0, 0

#5 because you want to make the most power safely


When would be EVERYTIME you assemble a new motor preferably (speaking as a tuner)
Yes sir. Agree w/ that last line 100% EVERYTIME you assemble an engine.
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Old 07-21-2011, 10:50 AM   #25
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Default Re: how are you locking vtec when degreeing cams?

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#5 because you want to make the most power safely
this i highly disagree from personal opinion.
I don't think there's a vocab "safe" in drag race. lol just me though.
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