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Forum: 993 Forum
07-16-2019, 03:53 PM
Replies: 11
Views: 735

Using that Hammer, see what the knock counts are...

Using that Hammer, see what the knock counts are when you are driving the car.
Forum: 993 Forum
07-08-2019, 12:57 PM
Replies: 13
Views: 1,427

Make sure the cylinder head temp sensor is...

Make sure the cylinder head temp sensor is connected and working properly.
Forum: 993 Forum
07-07-2019, 09:56 AM
Forum: 911 Forum
07-05-2019, 09:40 PM
Replies: 3
Views: 603

Hi, You have a leak in the evaporative...

Hi,

You have a leak in the evaporative control system; the plumbing that connects the tank to the charcoal cannister to control gas fumes. Look for a split or damaged rubber hose.
Forum: 911 Forum
06-30-2019, 11:08 AM
Replies: 15
Views: 985

I'm familiar with that special Mahle P/C set,...

I'm familiar with that special Mahle P/C set, yes. Its 10.3:1 CR.

Mahle made several custom P/C sets for these express purposes and some of them were considered 'thin-wall'. These units were well...
Forum: 911 Forum
06-29-2019, 11:37 AM
Replies: 15
Views: 985

My pleasure! Engines with less than ideal...

My pleasure!

Engines with less than ideal leakdown values can still make decent power on the dyno, I've seen this quite a few times. :)

Depending on how far the cylinders are out of round,...
Forum: 911 Forum
06-28-2019, 11:03 AM
Replies: 15
Views: 985

I would be measuring the cylinder bores for...

I would be measuring the cylinder bores for concentricity since these tend to go out of round. If this is the case, you'll never get decent ring sealing.
Forum: 993 Forum
06-23-2019, 12:23 AM
Replies: 4
Views: 655

With PCR, if you engage ABS, it can rip the...

With PCR, if you engage ABS, it can rip the steering wheel right out of your hands.

Its not a good idea. :)
Forum: 993 Forum
06-17-2019, 03:37 PM
Replies: 34
Views: 3,076

Check long term fuel trims to see if its lean or...

Check long term fuel trims to see if its lean or not.

Replace those plug wires!!! (LONG overdue)

Don't forget about the in-tank fuel filter if you've seen any evidence of fuel contamination. I...
Forum: 964 Forum
06-15-2019, 12:49 PM
Replies: 7
Views: 1,130

Roller rocker are been tried, but they do not...

Roller rocker are been tried, but they do not work due to rocker arm geometry and cam location.

One would need to completely redesign the cam housings to accommodate those things and its just not...
Forum: 911 Forum
06-15-2019, 12:08 PM
Replies: 2
Views: 407

Without knowing whether you have the original...

Without knowing whether you have the original mechanical VR or an electronic one, its hard to offer anything constructive on that. I would suggest you make sure that both ends of all battery...
Forum: 964 Forum
06-13-2019, 11:30 AM
Replies: 7
Views: 1,130

New rockers are NOT square and need to be...

New rockers are NOT square and need to be properly reground so the cams are not damaged. We made a special fixture to do this and IMHO, this isn't a DIY project.
Forum: 964 Forum
06-13-2019, 02:08 AM
Replies: 7
Views: 1,130

Reconditioned rockers should ALWAYS be used with...

Reconditioned rockers should ALWAYS be used with new cams, otherwise the chances of failure are quite high, sooner or later.
Forum: 911 Forum
06-11-2019, 01:19 PM
Replies: 12
Views: 1,576

Good stuff, Martin. I'll be following your...

Good stuff, Martin.

I'll be following your progress with these new 915 cases. :)
Forum: 993 Forum
06-08-2019, 07:12 PM
Replies: 8
Views: 772

Personally, I would not use 993 rods in any...

Personally, I would not use 993 rods in any engine that will see 7K RPM (or more) and 325 BHP. Carrillo, Pauter, or Arrow, only.
Forum: 993 Forum
06-03-2019, 12:02 PM
Replies: 62
Views: 5,766

After five failures of those "add-on" CB's to...

After five failures of those "add-on" CB's to accommodate an EEPROM, I will no longer employ that technology as I cannot afford angry clients.

I do know how to properly solder SMD's and have all...
Forum: 911 Forum
05-27-2019, 02:04 PM
Replies: 7
Views: 1,066

From experience, Griffith's can make the a/c work...

From experience, Griffith's can make the a/c work FAR FAR better than original.
Forum: 911 Forum
05-27-2019, 02:01 PM
Replies: 12
Views: 1,017

The best advice I can offer is to tell you to...

The best advice I can offer is to tell you to drive one of those cars.

The ONLY thing your GT3 and a G-series Carrera have in common is the hood badge and you will either be surprised or shocked...
Forum: 993 Forum
04-30-2019, 08:55 PM
Replies: 18
Views: 1,474

Tie-rod couplers (connecting the tie-rods to the...

Tie-rod couplers (connecting the tie-rods to the steering rack).

Its very common for the rubber in these components to degrade over time and fail.
Forum: 911 Forum
04-30-2019, 02:12 PM
Replies: 12
Views: 1,322

Charles, Using an infrared thermometer, I'd...

Charles,

Using an infrared thermometer, I'd suggest comparing your temps with your friend's car and if there is a significant difference, start checking things on his engine.

Your friend's...
Forum: 993 Forum
04-27-2019, 09:00 PM
Replies: 6
Views: 568

Indeed, thats the spring from a seal. If you...

Indeed, thats the spring from a seal.

If you saved some of the oil you drained out, I'd sure send that in for a UOA.
Forum: 964 Forum
04-21-2019, 02:57 AM
Replies: 13
Views: 1,296

Nossir, not to the same degree. One needs to...

Nossir, not to the same degree. One needs to leave sufficient material to accommodate expansion and contraction whenever any factory heads are modified.

964 heads do not flow the same volumes as...
Forum: 964 Forum
04-19-2019, 12:47 PM
Replies: 13
Views: 1,296

We don't port 993 heads due to their propensity...

We don't port 993 heads due to their propensity for cracking and all that does is accelerate the process.

Stock Varioram heads support up to about 350 BHP with a proper valve job, however if more...
Forum: 911 Forum
04-04-2019, 10:17 AM
Replies: 8
Views: 366

You might measure the amount of torque it takes...

You might measure the amount of torque it takes to rotate the engine (without the plugs) as I've found that the crank binds due to case distortion.

Every magnesium case we build gets the parting...
Forum: 911 Forum
04-03-2019, 06:35 PM
Replies: 8
Views: 366

Did you split the case? If so, did you have...

Did you split the case?

If so, did you have the case align-honed?
Showing results 1 to 25 of 499
 


 
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