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Search: Posts Made By: cnavarro
Forum: Porsche 996/997 Forum 02-01-2013, 07:25 AM
Replies: 6
Views: 946
Posted By cnavarro
Sorry to hear that you have experienced an IMS...

Sorry to hear that you have experienced an IMS bearing failure, but unfortunately this is the first I (or any one of my staff) hear of such failure, especially at 400 miles. We take these claims very...
Forum: Porsche 911 Technical Forum 10-23-2012, 03:49 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
Yes, damage, as the oil gets too thick to flow...

Yes, damage, as the oil gets too thick to flow properly.
Forum: Porsche 911 Technical Forum 10-23-2012, 03:39 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
The only differentiation I make between the two...

The only differentiation I make between the two is the 15w40 is good for ambient air temps up to about 90F and the 20w50 should be used above 90F.

I wouldn't use the 20w50 for cold starts...
Forum: 911 Engine Rebuilding Forum 09-28-2012, 01:59 PM
Replies: 40
Views: 4,021
Posted By cnavarro
Here is the answer straight from JE: "Six or...

Here is the answer straight from JE:

"Six or seven years ago we received requests for a more durable Porsche piston for racing applications. We replaced to old 96P forgings with the new 32P...
Forum: 911 Engine Rebuilding Forum 09-28-2012, 05:34 AM
Replies: 40
Views: 4,021
Posted By cnavarro
I'm sorry, but this is just not true. You're...

I'm sorry, but this is just not true. You're statement that all of them are going to fail is just ludicrous. I can't even begin to imagine how many thousands of JE pistons we've sold and I can only...
Forum: Porsche 911 Technical Forum 07-25-2012, 09:06 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
The DT40 is for the newer water cooled cars and...

The DT40 is for the newer water cooled cars and the DT50 is for the older air cooled ones. Although Joe Gibbs is recommending their XP series oils for track use, we use and recommend the DT oils for...
Forum: Porsche 911 Technical Forum 07-25-2012, 05:51 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
The Brad Penn works fine, but they aren't the...

The Brad Penn works fine, but they aren't the best to work with. I wanted them to make a 15w50 and 5w40 years ago and they said there would be a min order and when I said no problem, they backtracked...
Forum: Porsche 996/997 Forum 07-24-2012, 07:17 AM
Replies: 32
Views: 2,442
Posted By cnavarro
If the bearing has already failed as described,...

If the bearing has already failed as described, it is not advisable to proceed with an IMS Retrofit since FOD can compromise the new bearing as well as many other things inside the engine and lead to...
Forum: Porsche 911 Technical Forum 07-17-2012, 10:05 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
We are currently testing the Miller's oils and...

We are currently testing the Miller's oils and we've actually switched over to using and selling their gear oils. They are awesome!

We're using the Joe Gibbs oils predominately now since they were...
Forum: Porsche 996/997 Forum 04-13-2012, 09:48 AM
Replies: 20
Views: 2,635
Posted By cnavarro
Yes, all models and years 97 through 08 are...

Yes, all models and years 97 through 08 are susceptible to failure, other than GT3, Turbo, and GT2 models. The M09 9A1 engine was completely new and doesn't share any of the problems of the previous...
Forum: Boxster & Cayman Forum 03-25-2012, 03:53 AM
Replies: 321
Views: 33,170
Posted By cnavarro
Cross section one. They aren't well built. I have...

Cross section one. They aren't well built. I have pictures on our website of one we sliced in half. We get them in the shop all the day with up to 1/8" runout on the sprocket and have to straighten...
Forum: Boxster & Cayman Forum 03-17-2012, 04:59 AM
Replies: 321
Views: 33,170
Posted By cnavarro
I understand what you are doing, but the speed...

I understand what you are doing, but the speed you are running the bearing at is actually making the bearing happier than it would be at a low rpm and isn't subjecting the seal to environmental...
Forum: Boxster & Cayman Forum 03-16-2012, 01:35 PM
Replies: 321
Views: 33,170
Posted By cnavarro
Sorry, but your test of the IMS isn't a realistic...

Sorry, but your test of the IMS isn't a realistic one, since you don't have the load on the bearing. The IMS bearing doesn't just operate in a state of free-wheeling, it has chains driven off of them...
Forum: Boxster & Cayman Forum 03-13-2012, 06:17 PM
Replies: 321
Views: 33,170
Posted By cnavarro
Sorry, we've only been in business since 2002...

Sorry, we've only been in business since 2002 (R&D in 2001) and didn't start on the M96 engine until much later, so that would be a no.

I had a discussion about the seals and their meaning with...
Forum: Boxster & Cayman Forum 03-13-2012, 05:44 PM
Replies: 321
Views: 33,170
Posted By cnavarro
Unfortunately, all I have here currently are new...

Unfortunately, all I have here currently are new 6305s from 3rd revision replacement intermediate shafts as currently provided by Porsche. I tossed the seals and bearings from the last batch of...
Forum: Boxster & Cayman Forum 03-13-2012, 05:11 PM
Replies: 321
Views: 33,170
Posted By cnavarro
The factory bearings are grease filled. Here is a...

The factory bearings are grease filled. Here is a factory bearing, new, never run, pulled from a new intermediate shaft. We have purchased many intermediate shafts over the years and this has never...
Forum: Porsche 996/997 Forum 03-04-2012, 09:49 AM
Replies: 29
Views: 2,470
Posted By cnavarro
I will say that most independent shops and...

I will say that most independent shops and dealerships use our retrofit kits. Only a small percentage of shops don't use them or acknowledge the problem. Ever since going to a wholesaler for...
Forum: 911 Engine Rebuilding Forum 03-01-2012, 07:33 PM
Replies: 10
Views: 956
Posted By cnavarro
Are you referring to Joe Gibbs oils or something...

Are you referring to Joe Gibbs oils or something else? We have worked with Lake Speed (Joe Gibbs Racing) and Flat 6 Innovations/Aircooled Technology to be able to develop oils specific for our air...
Forum: Boxster & Cayman Forum 02-24-2012, 12:52 PM
Replies: 3
Views: 711
Posted By cnavarro
That would also airate the oil, further taxing...

That would also airate the oil, further taxing the AOS and causing other issues, if you drilled the IMS.
Forum: Porsche 996/997 Forum 02-23-2012, 04:34 PM
Replies: 29
Views: 2,470
Posted By cnavarro
About every other P-car dealer in TX uses and...

About every other P-car dealer in TX uses and installs them. There are tons of independents as well. Just shop around, you'll find someone for sure.
Forum: Boxster & Cayman Forum 12-27-2011, 04:18 AM
Replies: 13
Views: 865
Posted By cnavarro
We had an email yesterday from someone who had...

We had an email yesterday from someone who had their 03 Boxster with 120,000 miles and he had a failure at 4,900 miles (on a 5k interval). An IMS Guardian would have told him he had problems, where...
Forum: Boxster & Cayman Forum 12-27-2011, 04:14 AM
Replies: 7
Views: 402
Posted By cnavarro
Thankfully, the puller is the same for single or...

Thankfully, the puller is the same for single or dual row. That would be a nightmare if we had two different pullers to sell with the confusion that would cause :-)
Forum: Boxster & Cayman Forum 12-24-2011, 05:36 AM
Replies: 5
Views: 535
Posted By cnavarro
The correct way to resolve this would be to...

The correct way to resolve this would be to loosen the bolts for the cam sprockets at the heads with the chain tensioners out and engine at TDC and follow the procedure for resetting cam timing....
Forum: Boxster & Cayman Forum 12-14-2011, 04:25 AM
Replies: 29
Views: 1,989
Posted By cnavarro
Considering the metal in the oil and pieces you...

Considering the metal in the oil and pieces you found, the only safe course of action is disassembly to determine the source of the foreign object debris, regardless of the source. Otherwise, you...
Forum: Porsche 911 Technical Forum 12-10-2011, 03:32 AM
Replies: 1,961
Views: 301,447
Posted By cnavarro
Yet another reason to safely say that motorcycle...

Yet another reason to safely say that motorcycle oils are a good backup choice with the usual suspects (Brad Penn, Swepco, etc.) are not readily available.
Showing results 1 to 25 of 500

 
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