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My impression is that the 9A1 block has held up well, perhaps quite well, in racing. Early interseries data were quite encouraging. Does this still seem to be the case ?? The gt-3 is said to to have a Porsche motor sports block while the gt-4 is reported to be using the 3.8 block from the 911 (9A1)

Thoughts ??
 

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9A1 engine is a gem of an engine. It came out of the factory race ready. Truly what a Porsche engine should have been all along. Vastly superior in durability to the M96 and M97 engines.

Cheers
 

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Hmmm, if it's race ready, then why are they not racing it?
From all public forums reports, the 9A1 motor is way more reliable for track duty than the M96/M97 motors--no IMS and better oiling.

Having said that, the acid test would be for this engine to be used by factory race cars, which hasn't happened yet--the Metzger motor keeps soldiering on with the factory race cars.
Given it has been in production since 2008, you would hope they would have resolved all the issues with the motor to use it instead of the Metzger--right?
There has to be a reason...
 

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Premium Member
Joined
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2,353 Posts
From all public forums reports, the 9A1 motor is way more reliable for track duty than the M96/M97 motors--no IMS and better oiling.

Having said that, the acid test would be for this engine to be used by factory race cars, which hasn't happened yet--the Metzger motor keeps soldiering on with the factory race cars.
Given it has been in production since 2008, you would hope they would have resolved all the issues with the motor to use it instead of the Metzger--right?
There has to be a reason...
This might be useful information.

The great 9A1 tuning debacle | RUF Registry

Cheers
 
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