[T3] type3-vwtype3.org Digest, Vol 44, Issue 25

Keith Park topnotch at nycap.rr.com
Wed May 21 17:20:14 PDT 2014


It's the zinc phosphorus additive that was removed from the modern oils,
Without it, our flat tappet cam's experience accelerated wear, especially
during break in and fail.  This was a disaster for engine builders when it
was done and nobody was told.

You must add it to the oil or buy a special oil that already has it
Like Pennzoil racing oil or Joe Gibbs DT50

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 [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Fiesta Cranberry
Sent: Wednesday, May 21, 2014 5:01 AM
To: type3-vwtype3.org at lists.vwtype3.org
Subject: Re: [T3] type3-vwtype3.org Digest, Vol 44, Issue 25

Keith, what is ZDDP?

Lori


On Tue, May 20, 2014 at 1:52 PM, <
type3-vwtype3.org-request at lists.vwtype3.org> wrote:

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> Today's Topics:
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>    1. Out of the office (Richard Hirsch)
>    2. Re: Valve woes (Keith Park)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 19 May 2014 16:43:10 -0400
> From: "Richard Hirsch" <rhirsch at loanonelender.com>
> To: type3-vwtype3.org at lists.vwtype3.org
> Subject: [T3] Out of the office
> Message-ID: <11405191643.AA3068640178 at loanonelender.com>
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>
> Thank you for contacting me. I am out of the office Monday May 19 through
> Friday May 23. I will have access to email and will respond as time
> permits. Should you need to reach me sooner please call 614-212-1422 and
> I will answer if possible. If not, please leave a message with your
contact
> information and I will return your call.
>
>
>
> Loan One Mortgage, Inc.
> Richard A Hirsch
> Marketing and Production Manager
> 229 Huber Village Blvd., Ste. 200
> Westerville, OH 43081
>
> 614-432-5796 (c)
> 614-212-1400 (o)
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> ------------------------------
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> Message: 2
> Date: Mon, 19 May 2014 20:13:36 -0400
> From: "Keith Park" <topnotch at nycap.rr.com>
> To: <type3 at vwtype3.org>
> Subject: Re: [T3] Valve woes
> Message-ID: <1D346881CF19456C917082DC07DCECC2 at NORM>
> Content-Type: text/plain;       charset="us-ascii"
>
> Other things to consider are valve train geometry, if you have deviated
> from
> stock at all the geometry needs to be set up, if its not things can go bad
> very fast.  Using the proper amount of ZDDP?  That's also quite important
>
> 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 [mailto:
> type3-vwtype3.org-bounces at lists.vwtype3.org]
> On Behalf Of Jim Adney
> Sent: Monday, May 19, 2014 11:53 AM
> To: type3 at vwtype3.org
> Subject: Re: [T3] Valve woes
>
> On 18 May 2014 at 11:56, Fiesta Cranberry wrote:
>
> > Now, I'm having valve problems.  The # 1& 3 valves keep getting really
> > loose.  The rocker arms have almost no resistance when when I move them,
> > they're floppy.  It's like the pushrods are too short, even tho we
> measured
> > them.  We replaced the pushrods with longer ones (yes, we measured) and
> now
> > it's happened again.  They are not bent or damaged in any visible way.
>  My
> > friend John thinks it needs a valve job, like maybe the valves are
stuck.
> >  But it gets such light use, that's hard to believe on a new engine.
>
> There are no situations where longer pushrods would be a cure for a
> problem like this. You've gotten a few good suggestions for things to
> check, but my best guess would be that the new lifters you installed
> with the rebuild were too soft and are wearing down quickly. I hope
> your camshaft is still good, but that is also a suspect since 1 & 3
> use the same cam lobes.
>
> It's vaguely possible that you have some valves that are sticking,
> but if you've watched them move up and down, and didn't see anything
> unusual, I think you can forget that possibility. If you want to
> really eliminate that possibility, check the cylinder compressions
> all around. Valves that are sticking or are bent will ruin the
> compression on that cylinder.
>
> I suggest that you start by checking the nuts that hold the rocker
> arms in place. That's probably not the problem, since you've had them
> off already to replace pushrods.
>
> Then using a real dial indicator, measure the lift on all 8 valves.
> Do this after readjusting the valves. Write down each one, then
> compare exhaust lifts and intake lifts. Exhausts will be smaller than
> intakes, but all the exhausts should be about the same and all the
> intakes should be about the same.
>
> If you find that all your exhaust lifts are about the same and all
> your intake lifts are about the same, then your cam is still good and
> the lifters are the problem. If you find that the 1 & 3 lifts are a
> lot smaller than the 2 & 4 lifts, then your cam is also shot.
>
> Either way, repair requires a complete engine teardown and
> replacement of the bad parts. If it's the lifters, that's the best
> news, but you MUST buy GOOD replacements. They are not easy to find
> and there's no sure way for people like us to know the difference. I
> buy from Berg just because I know he knows what to buy. It's best to
> replace the lifters ASAP, so they do minimal damage to the cam.
>
> BTW, my very first engine rebuild ended up the same way: soft lifters
> that wore quickly. In my case, I saw rapid wear on all 8 valves, so
> this makes me think you may also have a cam problem. A call to Berg
> revealed that most lifters out there were too soft. Gene gave me the
> Rockwell hardness numbers and I was able to verify that my old ones
> were exactly as soft as he had predicted. I was lucky to have access
> to a hardness tester at that time.
>
> There's a lesson here: New parts are not always better. In fact, they
> are often inferior.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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> End of type3-vwtype3.org Digest, Vol 44, Issue 25
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-- 
"I wrestled with reality for 36 years, and I'm happy to say I've finally
won out over it."
                                                  ---Elwood P. Dowd
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