991 catches fire... this time NO GT3???

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03-17-2014, 03:51 PM

#46

SamFromTX

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Quote:

Originally Posted by alpine-al

It seems that you are the only 3 Rennlisters who haven't been following the Stop Sale thread, which has had ~40,000 views in the past 3 days.

^This

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03-17-2014, 04:03 PM

#47

A432

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Quote:

Originally Posted by Flat6 Innovations

I am researching now to see if the effected components are shared with the non GT3 engines.

Definitely different rod bolts

GT3 9A1 - 9A1 103 115 91
991 9A1 - 9A1 103 115 02

The GT3 rod bearings are not listed as a separate part number from the rods
because they are a matched set, unlike the non-GT3 rod bearings, so they're different too.

As an added point, all the non-GT3 9A1's ie 981/991 3.4/3.8 have the same rods/bolts/bearings.

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03-17-2014, 04:10 PM

#48

Flat6 Innovations

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I honestly thought I was posting in that thread!

The part number of the bolts are different, but is the bolt different? I have been there before.

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03-17-2014, 05:00 PM

#49

utkinpol

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Quote:

Originally Posted by Flat6 Innovations

I honestly thought I was posting in that thread!

The part number of the bolts are different, but is the bolt different? I have been there before.

"Analysis has revealed that in both cases the engine damage was caused
by a loosened piston rod screw connection which damaged the
crankcase. In order to avoid this in the future, an optimized screw
connection is currently being tested."

Jake, does GTS motor have same design or was it something new they did for 991 only?

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03-17-2014, 10:26 PM

#50

Gleek48

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Quote:

Originally Posted by A432

Definitely different rod bolts GT3 9A1 - 9A1 103 115 91 991 9A1 - 9A1 103 115 02 The GT3 rod bearings are not listed as a separate part number from the rods because they are a matched set, unlike the non-GT3 rod bearings, so they're different too. As an added point, all the non-GT3 9A1's ie 981/991 3.4/3.8 have the same rods/bolts/bearings.

Do you know if the gt3 uses the same rod bolts as the new turbo?

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03-17-2014, 10:49 PM

#51

A432

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Quote:

Originally Posted by Gleek48

Do you know if the gt3 uses the same rod bolts as the new turbo?

The rod bolt part numbers for all the non-GT3 9A1s are the same,
so 981 2.7/3.4, 991 3.4/3.8/GTS/Turbo are all the same rod bolt part number. (but different from the GT3)

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03-17-2014, 11:38 PM

#52

Gleek48

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Quote:

Originally Posted by A432

The rod bolt part numbers for all the non-GT3 9A1s are the same,
so 981 2.7/3.4, 991 3.4/3.8/GTS/Turbo are all the same rod bolt part number. (but different from the GT3)

Thanks. I thought I read in another post that the Turbos shared the same con rod bolt as the GT3. This makes more sense since they are not recalling the Turbo now.

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