[Spridgets] Likely Pilot Bushing problem + cam question

Steven Guterman an5.sprite at gmail.com
Sun Jun 19 08:40:54 MDT 2011


The information is very helpful.  I will not try to break your 4 hour record
on the swap.  I also will need to figure out what is wrong in the clutch

Are you supposed to install a new cam locating plate with a new cam.


On Sat, Jun 18, 2011 at 5:51 PM, Bob Van Kirk <racerbob70 at yahoo.com> wrote:

>     You do not have to remove the head or the oil pan to remove/replace the
> cam.  Back off all the adjustment screws then place a large screw driver
> under the rocker arm shaft and on top of the valve spring, gentle apply
> pressure to the valve spring until the adjustment screw clears the push rod
> and the rod is ready to be removed.  The 2 end rocker arms will have to be
> removed to get nbr 1 and 8 push rod out.  You can do this by removing the
> cotter pin and using the same method as discribed remove the arm and the
> push rod.  As they say replacement is just the opposite.  After turning the
> engine over and removing the front cover and the gears for the cam and crank
> shaft you can now remove the camshaft but be careful to not lose the star
> drive at the end of the cam, you might not have one of these but rather the
> slotted type of drive, or you will then have to remove the pan.  I've done
> this at the race track in about 4 hours, engine out and back in and running.
>    Almost forgot, of course all the oil is drained from the pan first but
> when you turn the engine over, upside down, you will still get some oil from
> the lifters and what is left in the pan so be prepared for this.  Also to
> prevent loosing the star drive I'd have the rear of the engine a
> little lower then the front. One more thing, you will need to check the end
> float of the cam which needs to be .003 to .007 clearance checked at the
> front of the cam after you have installed the cam locating plate.     Hope
> this helps and any questions, ask away.
> Bob
> --- On *Sat, 6/18/11, Paul Van Wig <pvanwig at me.com>* wrote:
> From: Paul Van Wig <pvanwig at me.com>
> Subject: Re: [Spridgets] Likely Pilot Bushing problem + cam question
> To: "Steven Guterman" <an5.sprite at gmail.com>
> Cc: "Spridget Chat Group" <spridgets at autox.team.net>
> Date: Saturday, June 18, 2011, 11:33 AM
> And the head on a 1275
> On Jun 17, 2011, at 10:47 AM, Steven Guterman wrote:
> Am I correct that to replace the cam all I need to do is remove the front
> cover and oil pan?
> Paul Van Wig
> pvanwig at mac dot com
> facebook.com/pvanwig
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