Technical Q&A

Welcome to PCA's source of expert advice, where our PCA National Technical Committee experts answer your questions about all things technical.

I am removing my 3.2 engine from my 86 Carrera and would appreciate some instructions on how to build or where to purchase a rolling engine cradle.

Thursday 12/04/2025 | 1986 | 911 Carrera | Accessories

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I bought a 2024 Cayman base last year with the usual summer tires on it. It's winter now in upstate NY, and I'd still like to drive the car around as a daily driver; however, the local dealer says that it isn't possible to put either all season or M & S tires on this model. 1) Is this true? and 2) if it isn't, what is my best option--assuming there is one. Thanks in advance.

Thursday 12/04/2025 | 2024 | 718 Cayman | Wheels and Tires

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What sort of oil is recommended for a 1987 924S? Pelican Parts has an oil change kit with semi-synthetic Liqui-Moly oil. I was surprised that full synthetic oil was not used.

Thursday 12/04/2025 | 1987 | 924S | Engine

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When positioning the driver's seat, is there any way to increase the height/lift beyond the factory range?

Tuesday 12/02/2025 | 2009 | 911 Carrera Cabriolet | Interior/Upholstery

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Seat type?

Saturday 11/29/2025 | 1970 | 911T Targa | Interior/Upholstery

Can anyone tell me what seats these are?They are in a 1970 911T Targa.TIA

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Both of my Original 2006 Cayman S keys are toast , new batteries in both and will not operate to lock car and open frunk and trunk. Trying to not get jacked at my local dealer any suggestion for a replacement key and programing ?

Wednesday 11/26/2025 | 2006 | Cayman S | Electronics

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1986 944 Turbo fuchs on a 1985 911 Carerra?

Wednesday 11/26/2025 | 1985 | 911 Carrera | Wheels and Tires

Would these Fuchs from a 1986 944 turbo fit my 1985 911 M491 turbo look?Front 16×7 (951.362.115)Rear 16×8 (951.362.117)More specifically, could I add a spacer to the rear to get the look of 16x9 wheels? Will they fit?

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What are the specific dimensions for brake bleed on 718 Cayman?

Wednesday 11/26/2025 | 2018 | 718 Cayman | Brakes

I am looking for the correct part number for Speed Bleeders. They only list thread size and length. What is the correct thread and length for 2018 718 Cayman base? I am having the calipers rebuilt and powder coated and want to use the speed bleeder to help bleed.

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Will an 997 H&R 24mm rear sway bar fit a 2006 987 CaymanS

Monday 11/24/2025 | 2006 | Cayman S | Suspension

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Should I have a Cooling system Flush , 2006 CaymanS with 17k miles / most likely never been touched / I hate the narrative lifetime coolant ?????

Monday 11/24/2025 | 2006 | Cayman S | Other

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Should I have a Cooling system Flush , 2006 CaymanS with 17k miles / most likely never been touched / I hate the narrative lifetime coolant ?????

Monday 11/24/2025 | 2006 | Cayman S | Other

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Independent mechanic in San Fernando Valley

Sunday 11/23/2025 | 1988 | 911 Carrera Cabriolet | Other

Looking for a mechanic that has a business out of his home or can come to my house to do work. Trying to avoid the ridiculous Mark up on parts and service hour rates if possible!

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Is it safe to use an after market water pump with a metal impeller?

Saturday 11/22/2025 | 2013 | Boxster | Engine

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Is replacement of a fuel pump a fairly easy, do-it-yourself project? Will a Bosch fuel pump purchased from Rock Auto work well enough for a 'driver?'

Thursday 11/20/2025 | 1987 | 924S | Fuel System

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Question for Bonilla: WHY would you recommend mounting a smartphone in a Porsche in the November, 2025 issue? Can’t a driver just concentrate on driving?

Thursday 11/20/2025 | 1989 | 944 | Accessories

From Bill’s wife, Brenda, who owns the 1989 944.

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Are Falken Azeris FK 460 A/S good tires

Wednesday 11/19/2025 | 2017 | 718 Boxster S | Wheels and Tires

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Shifter bushing replacements for 915 transmission

Wednesday 11/19/2025 | 1985 | 911 Carrera | Other

I replaced my OEM shifter with a short shift kit a number of years ago. Shifting is has gotten extremely sloppy now and suspect my bushings are completely worn. I see online there are a large variety of materials used in replacement bushings. I would presume my coupler is fine and I only need to replace the bushings there as well. Do you have any recommendations as far as the type of bushings I should consider? Thanks, Jeffrey ...

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how many 2009 Porsche Boxster s were made?

Tuesday 11/18/2025 | 2009 | Boxster S | Other

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Is there a Chilton's or Haynes' repair catalog for a 1987 924S? If so, what is a good place to buy one?

Tuesday 11/18/2025 | 1987 | 924S | Other

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How can I upgrade my base 981 2015 to have a back up camera?

Monday 11/17/2025 | 2015 | Cayman | Accessories

I want to install a back up camera to my 2015 981 base cayaman, thank you!

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