996 C4S 3.6 to 4.0L Reliability?

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11-05-2017, 08:32 AM

#16

thebowl

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Quote:

Originally Posted by AWDGuy

Total seal rings by JE?

Quote:

Originally Posted by Dripola

How much oil does it burn, I just lost around half a quart for the first 800 miles, is this normal? I went 3.6 to 3.8 also.

I seem to have settled in at around a quart every 1000 miles, with daily driving. I burned FAR more for the 1st miles, and then it droped down a bit for 2-3000 miles or so.

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11-05-2017, 09:59 AM

#17

Sneaky Pete

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Quote:

Originally Posted by Zookie

Yup! IMS crapped out exactly at 72k back in July... apparently they used a Pelican Parts IMS

but lets not High Jack this thread. I have moved on and not looking back. It is what it is.

WOW!!! Sorry for your troubles. I can't help but think how this thread would turn if good ole Marty hadn't been banned. The several times he touted his own roller bearing and we find out he used something from Pelican!! How do you know this? This stuff is gold Jerry gold!

Moving to a 4.0 will relieve the pain knowing that you are in good hands!

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11-05-2017, 10:12 AM

#18

Sneaky Pete

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As for the reliability of the 4.0....as long as other parts of the internals are upgraded to work with the larger bore there should be no issues.

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11-05-2017, 10:40 AM

#19

AWDGuy

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Quote:

Originally Posted by thebowl

I seem to have settled in at around a quart every 1000 miles, with daily driving. I burned FAR more for the 1st miles, and then it droped down a bit for 2-3000 miles or so.

I'm about the same.

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11-06-2017, 09:19 AM

#20

speed rII

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Quote:

Originally Posted by AWDGuy

I'm about the same.

no need for oil changes then? Just replace the oil filter.

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11-08-2017, 12:01 PM

#21

Zookie

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Quote:

Originally Posted by Sneaky Pete

his partner in crime told me over email.

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11-09-2017, 05:03 PM

#22

Sneaky Pete

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Quote:

Originally Posted by Zookie

his partner in crime told me over email.

A roller bearing is shown on his site as of today. For all of you out there that are looking for a builder or services that they offer....buyer beware.

Zookie....you will be happy with what you are in line for. Good luck!

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11-10-2017, 10:35 AM

#23

strathconaman

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I have to say that all of this is quite scary. My 3.6 doesn't consume any oil. Nada. I don't have to add any oil over 5000km.

I was thinking of a 4.0 rebuild, but should my 3.6 ever run again (carbon based alien is living in the sump, prognosis unknown) I think I will keep as is.

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11-10-2017, 10:58 AM

#24

AWDGuy

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Google search oil consumption and 996/997. Guys with under 50k km are burning at the 1quart/600 miles range and they are completely stock cars. Lots of them.

Porsche put the burn rate right in the manual to cover their asses. Pretty sure the 997's says right in the manual that its 1.5L/every 1000km's.

Last edited by AWDGuy; 11-10-2017 at 11:33 AM.

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11-15-2017, 09:33 AM

#25

AWDGuy

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Quote:

Originally Posted by thebowl

I have almost 20000 miles on an "involuntary" 3.6 > 3.8 rebuild with LN's product. Very happy performance-wise, but I also burn a lot of oil.

who built your engine?

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11-15-2017, 09:35 AM

#26

AWDGuy

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Quote:

Originally Posted by Dripola

How much oil does it burn, I just lost around half a quart for the first 800 miles, is this normal? I went 3.6 to 3.8 also.

same question as above.

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11-15-2017, 09:36 AM

#27

thebowl

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Quote:

Originally Posted by AWDGuy

who built your engine?

Iservice Imports in Cherry Hill, NJ.

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11-15-2017, 10:57 AM

#28

AWDGuy

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Quote:

Originally Posted by thebowl

Iservice Imports in Cherry Hill, NJ.

have you brought up the oIL burning problem with them.

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11-15-2017, 11:29 AM

#29

TonyTwoBags

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It's often skirt/cylinder clearance that can determine the burn rate, right?

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11-15-2017, 02:48 PM

#30

Dripola

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Quote:

Originally Posted by AWDGuy

same question as above.

I used a fairly reputable specialist out here in Australia. Haven’t raised it with them yet as I thought it’s within spec per the manual? Is it a build issue that should be rectified? I have been provided a one year warranty on the build.

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