[T3] Starting Problem

[Tony Rongey]

I had to add shims under the rocker arm last time I adjusted it.  That worked for about two more weeks then ran out of adjustment again.  At that point I knew it was done so I unplugged the #3 injector and ran on 3 cylinders for a week.  Talk about having no acceleration!
 
In the picture that dark area around the valve on the side closest to the intake isn't a shadow - that's the inside of the exhaust port.
 
I don't have any idea where this head came from.  There's not a VW mark on the casting, and it appears to be a pretty soft alloy.  The replacement appears to be genuine and looks pretty new so I guessing it's a recent Mexico casting.
 
In a few weeks I'll start collecting parts to build a whole new motor.  I figure that way I can just swap it in on a Saturday then start rebuilding this one at my leisure so it's ready for the next swap in another 5 years or so. :)
 
Tony
'70 Fastback AT/FI daily

From: Keith Park <topnotch at nycap.rr.com>
To: type3 at vwtype3.org 
Sent: Monday, January 13, 2014 6:23 PM
Subject: Re: [T3] Starting Problem


Wow!  Im amazed you were able to adjust that out, let me guess, MOFOCO head?

Keith


Top Notch Restorations
topnotch at nycap.rr.com 
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Notchback "El Baja Rojo"
65 Squareback "Eggcrate"
87 golf "Winterat"
93 RX7 "Redstur"


-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Tony
Rongey
Sent: Monday, January 13, 2014 10:30 AM
To: type3 at vwtype3.org
Subject: Re: [T3] Starting Problem

Hmm.  It was late and I was tired when I put the distrubutor back in.  It
felt right, but I'll double check that this evening.
 
PS: Here is the pic of the valve as promised.  You might not want to look at
this if you just ate and own an old VW.
http://img.photobucket.com/albums/v505/trongey/Type3/SunkenValve.jpg
 
Tony
'70 Fastback, AT/FI (will be a daily driver as soon as I get it working
again)

From: Jim Adney <jadney at vwtype3.org>
To: type3 at vwtype3.org 
Sent: Monday, January 13, 2014 12:16 AM
Subject: Re: [T3] Starting Problem


On 12 Jan 2014 at 21:00, Tony Rongey wrote:

> OK.  So I had to replace a head this weekend; the #3 exhaust valve had
sunk about 1/2" (I'll upload the gory pics later).
> I got everything back together, and now when it try to start it will crank
like it's trying to start then will suddenly kick back.  It doesn't
backfire, it just sort of locks on one cylinder then cranks more slowly
after that.
> What have I got wrong?

To replace the left head, you probably removed the distributor. I'm 
going to guess that you didn't get it installed ALL the way back down 
into engagement with the drive gear. That will put the timing all 
wrong, or perhaps it's just not turning at all. Either way, it could 
give you these symptoms.

Just a guess.

-- 
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************

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