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Search: Posts Made By: Speedy Squirrel
Forum: 911 / 930 Turbo & Super Charging Forum 01-04-2019, 06:32 AM
Replies: 31
Views: 679
Posted By Speedy Squirrel
Please see my response in this thread on how to...

Please see my response in this thread on how to understand the ignition curves:
...
Forum: 911 Engine Rebuilding Forum 12-28-2018, 06:25 PM
Replies: 20
Views: 672
Posted By Speedy Squirrel
You didn't elaborate too much on what you did...

You didn't elaborate too much on what you did previously to implement the Tech3R IAC based AC control, so sorry if this redundant:

1. Make certain that you don't have any vacuum leaks. A large...
Forum: 911 / 930 Turbo & Super Charging Forum 12-21-2018, 07:05 AM
Replies: 21
Views: 679
Posted By Speedy Squirrel
If it is a 1979, that would still have the...

If it is a 1979, that would still have the thermal reactors, which look something like heat exchangers, but are log-shaped (see below). That looks like the Euro exhaust with heat exchangers.
...
Forum: 911 / 930 Turbo & Super Charging Forum 12-21-2018, 06:57 AM
Replies: 14
Views: 623
Posted By Speedy Squirrel
These things are ideal candidates to be 3 D...

These things are ideal candidates to be 3 D printed, considering the cost of replacements. I'm surprised somebody has not done that.
Forum: 911 Engine Rebuilding Forum 12-21-2018, 06:50 AM
Replies: 11
Views: 608
Posted By Speedy Squirrel
You'll be wanting this thread: ...

You'll be wanting this thread:

http://forums.pelicanparts.com/911-engine-rebuilding-forum/284737-complete-engine-sealant-thread.html
Forum: 911 Engine Rebuilding Forum 12-01-2018, 07:00 AM
Replies: 29
Views: 2,415
Posted By Speedy Squirrel
David, it was $1100 from greasy carcass to what I...

David, it was $1100 from greasy carcass to what I posted above, for the case, covers, housings, and cylinders.
Forum: 911 / 930 Turbo & Super Charging Forum 11-29-2018, 08:33 PM
Replies: 16
Views: 927
Posted By Speedy Squirrel
Nope. We do it because it is slower without it in...

Nope. We do it because it is slower without it in normal driving.

When you close the throttle, the pressure at the compressor outlet causes the turbo to slow its rotation. When you open the...
Forum: 911 Engine Rebuilding Forum 11-21-2018, 11:29 AM
Replies: 5
Views: 410
Posted By Speedy Squirrel
Smart of you to check bpu699. Leave nothing to...

Smart of you to check bpu699. Leave nothing to chance!

To answer your original question, the ring pack for NA is slightly different from Turbo. The middle ring is different in profile and width....
Forum: 911 Engine Rebuilding Forum 11-18-2018, 08:52 AM
Replies: 29
Views: 2,415
Posted By Speedy Squirrel
The covers were with glass beads, followed by...

The covers were with glass beads, followed by ultrasonic cleaning. Not sure what grit was used. I asked that they only do the outside of the covers. The ultrasonic cleaning took care of the inside.
Forum: 911 Engine Rebuilding Forum 11-17-2018, 07:15 PM
Replies: 29
Views: 2,415
Posted By Speedy Squirrel
Here are some pictures of a case that I just had...

Here are some pictures of a case that I just had ultrasonically cleaned at West Michigan Ultrasonics. This is my first try at ultrasonic cleaning and I am very impressed.

I had the main oil...
Forum: Porsche 911 Used Parts For Sale & Wanted 10-15-2018, 11:25 AM
Replies: 4
Views: 290
Posted By Speedy Squirrel
Ultrasonic cleaning service - Michigan

I would like to try it on an engine case. Anyone providing that service in the Detroit area?
Forum: 911 Engine Rebuilding Forum 09-16-2018, 04:55 PM
Replies: 1
Views: 250
Posted By Speedy Squirrel
You can easily do a compression check to see how...

You can easily do a compression check to see how the rings and valves are sealing, but it is almost certainly guides at that mileage, and considering the valves are noisey. Maybe the spraybar became...
Forum: 911 / 930 Turbo & Super Charging Forum 09-16-2018, 06:11 AM
Replies: 5
Views: 237
Posted By Speedy Squirrel
You didn’t replace the external regulator...

You didn’t replace the external regulator alternator with an internal regulator alternator by any chance?
Forum: 911 Engine Rebuilding Forum 09-11-2018, 11:33 PM
Replies: 21
Views: 1,129
Posted By Speedy Squirrel
You should look at titanium valves exclusively....

You should look at titanium valves exclusively. There are even hollow stem titanium valves.

I have used SI valves, and Del West. I would consider a custom valve so that you can push the stem...
Forum: 911 Engine Rebuilding Forum 09-06-2018, 06:23 PM
Replies: 21
Views: 1,129
Posted By Speedy Squirrel
Yes you can.

Yes you can.
Forum: 911 Engine Rebuilding Forum 09-05-2018, 03:23 PM
Replies: 15
Views: 693
Posted By Speedy Squirrel
Has anyone thought of cutting down another...

Has anyone thought of cutting down another engines bearings to fit. By that I mean narrow them to the correct width. There must be many other engines with the same diameter, clearance, and thickness.
Forum: 911 Engine Rebuilding Forum 09-05-2018, 10:48 AM
Replies: 21
Views: 1,129
Posted By Speedy Squirrel
All 911 turbos have had at least hollow stem...

All 911 turbos have had at least hollow stem exhaust valves. They are partially filled with sodium. Starting with the 964 based turbos, both valves are sodium cooled. For the 993 based turbos the...
Forum: 911 / 930 Turbo & Super Charging Forum 09-03-2018, 12:37 PM
Replies: 20
Views: 731
Posted By Speedy Squirrel
Thanks for the info. It is what I expected. I...

Thanks for the info. It is what I expected. I think I will ask Progressive what they think my actual cash value is. I wonder if they will do that without a claim.
Forum: 911 / 930 Turbo & Super Charging Forum 09-02-2018, 07:20 PM
Replies: 20
Views: 731
Posted By Speedy Squirrel
So, what is the point of agreed upon coverage? I...

So, what is the point of agreed upon coverage? I have coverage through Progressive as part of a multi car policy, with $1k deductible on the 930, and 5K miles per year. They never asked me if it was...
Forum: 911 Engine Rebuilding Forum 08-26-2018, 01:49 PM
Replies: 71
Views: 5,707
Posted By Speedy Squirrel
I thought we were only talking forged pistons....

I thought we were only talking forged pistons. M142 is a forged alloy.
Forum: 911 Engine Rebuilding Forum 08-25-2018, 11:07 PM
Replies: 71
Views: 5,707
Posted By Speedy Squirrel
Mahle uses M142. It is on all of their drawings. ...

Mahle uses M142. It is on all of their drawings.
Si 11-13%
Cu 2.5-4.0%
Ni 1.75-3.00%
Mg 0.8-1.2%
Fe <= 0.7%
Zn <= 0.3%
Mn <= 0.3%
Other <= 0.2%
Bal Al
Forum: 911 Engine Rebuilding Forum 08-24-2018, 11:55 AM
Replies: 20
Views: 861
Posted By Speedy Squirrel
I would chip in to rent a flow bench. I am pretty...

I would chip in to rent a flow bench. I am pretty sure that Ricardo here in the D has data on Porsche heads already. I also have 2.7, 3.2, and 3.3 heads.

I can already guess where this will go...
Forum: 911 Engine Rebuilding Forum 08-23-2018, 08:51 PM
Replies: 20
Views: 861
Posted By Speedy Squirrel
This is an area I know a little bit about, so I...

This is an area I know a little bit about, so I will download some info, some of which you might already know.

We seldom use CFD in the industry for port design. We definitely make models of...
Forum: 911 Engine Rebuilding Forum 07-30-2018, 03:08 PM
Replies: 3
Views: 430
Posted By Speedy Squirrel
Midwest turbo connection will help you.

Midwest turbo connection will help you.
Forum: 911 / 930 Turbo & Super Charging Forum 07-14-2018, 01:27 AM
Replies: 11
Views: 581
Posted By Speedy Squirrel
The 1mm or 0.040 restrictor is pretty much the...

The 1mm or 0.040 restrictor is pretty much the standard Garrett recommendation for ball bearing turbos when you have 40 to 45 psi oil pressure (2.75 to 3.1 bar) at the turbo.
...
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