Date: Fri, 15 Apr 2005 19:58:15 -0400
Reply-To: ROBERT DONALDS <donalds1@VERIZON.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: ROBERT DONALDS <donalds1@VERIZON.NET>
Subject: Re: Valve clearance not at tdc?
Content-type: text/plain; format=flowed; charset=iso-8859-1; reply-type=original
If you put your finger over the spark plug hole as you turn the engine then
you will feel the compression stroke as the engine makes its way to TDC for
the number 1 cylinder
Bob.Donalds
Boston Engine
----- Original Message -----
From: "Stan Wilder" <wilden1-1@SBCGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, April 15, 2005 6:00 PM
Subject: Re: Valve clearance not at tdc?
> The way I find top dead center is to watch the rotor as I turn the engine.
> With a std shift I put the transmission in 2nd gear and rock the car until
> the rotor is pointing at the notch in the distributor rim. With an
> automatic
> you'll need a wrench on the rear bolt.
> With #1 spark plug removed I insert a piece of stainless steel (the flat
> part of a disposed wiper blade, or a .030 brass bar 1/4" x 12" an Ace
> Hardware item).
> I drop this between the cylinder head and the piston top and rock the
> engine
> until I get a squeeze on the flat stock.
> You might need to rock the car backwards at this time to drop the Feeler
> fully in.
> In most cases you'll be able to complete the compression stroke if you
> deck
> height is set properly. But in general you'll feel the "Feeler" bind
> between
> the piston and cylinder head both before and after TDC position.
> You can take note of your timing mark then and mark that as TDC with a
> drop
> of paint. (I use white out or liquid paper).
> If you have help you can lay under the van and have them rock the van
> while
> you're touching and evaluating exactly when the rockers develop free play
> at
> the stems.
> If you do this right you only need remove the #1 spark plug.
>
> Stan Wilder
> Engine Ceramics
> 214-352-4931
> www.engineceramics.com
>
>
> ----- Original Message -----
> From: "Nate Saylor" <nates@IMPULSE.NET>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Friday, April 15, 2005 4:01 PM
> Subject: Valve clearance not at tdc?
>
>
>> Bob's method. Once the lifters were pumped up I zerod them. but the
>> odd thing is that when I zero passenger rear (I go by the rotor
>> location, coupled with the marks on the pully) and move to the passenger
>> front (next in line counter clockwise), I get clearance on one of the
>> passenger rear valves. Why is this??? Am I going in the wrong order?
>> I'm thinking this is why I have so much noise in my valve train.
>>
>> -Nate
>>
>>
>> --
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>>
>
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