[T3] Crate's engine apart, mostly...

Mon Sep 3 17:15:09 PDT 2012

Well, with the 71 Im about, hmm..  7.5:1?  Flat top pistons and stepped
heads...  don't remember what the actual number was but the compression was
low, stock cam, stock exhaust, and with 87 it WILL detonate on the hills
when its in the 70's out, I NEED 89 on the highway when its summertime.

The 1500S is well known for problems with the domed top pistons, maybe it's
the pistons, but burned pistons and running problems are well known with
that setup and I know from personal experience, it DOESN'T like to start
when its hot.  Does the Domie motor have a different cam than stock?  I know
from personal experience as well that if you put 87 in it, and I did to
drive it around the block, DON'T give it more than half throttle or it will
knock and ping, its undrivable on the 87.

John, how did you setup that compression ratio? Did you cut the heads to do
it?  Id love to keep the higher ratio as it has good low end but its not
happy on even the 93 pump gas.

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 John
Jaranson
Sent: Monday, September 03, 2012 11:44 AM
To: type3 at vwtype3.org
Subject: Re: [T3] Crate's engine apart, mostly...

I gotta agree with Vader.  When I rebuilt Sophy engine almost 10 years and
60k miles ago, I ended up with a static compression of right around 8.5:1.
The only other modification I made was to run an extractor header and single
Quiet Pack exhaust.  I almost always run 87 octane fuel.  On the trip out to
Colorado, I ran some 89 as a treat for her, but I am sure I didn't need too.

And remember, I certainly don't take it easy on Sophy's engine.  I am sure I
run in nearly wide-open throttle conditions and shift much later than you do
Keith. <G>

Later,
John Jaranson
www.carartbyjohn.com

On Sep 3, 2012, at 11:03 AM, Brian Fye wrote:

> Keith,
> if you can't run a stock cam on 8.4:1 compression, something else is
> wrong.  Be looking at your carbs to see if they are not flowing correctly
> and also check to see if you are getting correct advance from the dizzy.
> At a total of 28 btdc, you should have no problems on a stock cam and
91oct.
> 
> On Mon, Sep 3, 2012 at 7:32 AM, Keith Park <topnotch at nycap.rr.com> wrote:
> 
>> Interesting stuff to know, yes, bottom install on the pistons, the load
the
>> assembly onto the engine with the pistons hanging out the bottom of the
>> cylinders, Just like the T4!
>> 
>> Thanks
>> 
>> 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
>> Bobsnotch at aol.com
>> Sent: Sunday, September 02, 2012 11:55 PM
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Crate's engine apart, mostly...
>> 
>> 
>> In a message dated 9/2/2012 8:25:31 P.M. Eastern Daylight Time,
>> topnotch at nycap.rr.com writes:
>> 
>> Its nice  pulling apart an engine that has never been touched.
>> 
>> Couple things I  took note of:
>> The Carbs have no phenolic isolater blocks on them, that  could explain
>> some
>> of the hot start issues. did any of the 1500S's lack  them?
>> 
>> This engine has no aluminum finned baffle under the breather, did  the
>> early
>> cars lack these?
>> 
>> The pushrods have these little rings near  the ends. what were these
>> supposed
>> to be for?
>> 
>> The #3 piston had a  broken top ring, maybe the Eggman put some cheap gas
>> in
>> it? the cylinders  look very good and have a lot of the
>> Hone marks still on them, the honing  looked pretty coarse.  The Domed
>> pistons were in fact in it.  I  have new 1500 pistons and rings, Im
>> inclined
>> to break the glaze and re-use  the 1500 cylinders with flat top pistons,
>> but
>> Id have to have them  ridge-reamed, hopefully RIMCO can do that if they
mic
>> out OK.  This  motor only has 33Kmi on it.
>> 
>> 
>> 
>> 
>> 
>> No, no phenolic spacers. Those were introduced with dual port heads. All
>> they got was the copper "O" seal, and a paper gasket between the manifold
>> and
>> the carb.
>> 
>> Mine had one, but I don't know IF Russ added it, or if it was there
>> originally. I'd have to look in the Blue Bentley to know for sure.
>> 
>> If you're meaning the pushrod end tips (they're the same on both ends of
>> the pushrods), then yes, that's normal. These engines are a cross between
a
>> 1600  and a 40 HP. My 64 engine has them too.The pushrods are the old
style
>> (40  HP) parts.
>> 
>> Like Brian and Jim, I'd use a "ball style" hone on it, then do some
>> measuring and see what you have to work with. You might find the
cylinders
>> are
>> still within spec, and the ridge is just carbon. Keep in mind that our
>> pistons
>> install from the bottom of the cylinder. ;-)
>> 
>> Bob 65 Notch  S with sunroof and IRS (Krusty)
>> 64 T-34 Ghia  (Wolfie)
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> 
> 
> 
> -- 
> Brian Fye
> Canyonville Christian Academy
> 541 839 4401 ext. 110
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