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Motor not running smothly

My 1988 911 is in really good shape and runs pretty well except when it's driven at slow speeds.  Either warm or cold she idles fine at 900 rpm but when I start off she stutters through the gears, I don't notice it at higher speeds of 60 mph plus.

It would seem to me to be the jets or jet, what do you think?

Light Oil Seep/Spray on rear lid above ac compressor

I have an ongoing very light amount of oil appearing as if it is spraying up on to the right side of the engine deck lid, just above my ac compressor.  Not enough to drip or even run down the lid, cannot tell where it is coming from.  Don't see the spray anywhere else.  Does not seem to appear on the ac belt either.

Car uses virtually no oil and is 100% stock motor wise other than a Steve Wong chip.


what would cause my 84 911 to act like it has hit the rev limiter at around 5000 rpm seems to what to cut out

What would cause the car to act like it is hitting the rev limiter / wants to cut out around five thousand rmp. missing for sure. although it has been a while tune up done at 56,000 miles. crank case sensor replaced less than one thousand miles ago.

pulls well / without issue untill the higer rmps.

How to change engine oil in a '93 Porsche 964

I've read that when you remove the oil filter, over a quart of oil gushes into the engine bay, is this true or fallacy?



I have been using 20w50 in the car since new, summer use only.  With all the synthetics now, and the 0w40 and now Porsches 10w60, is there a better weight I should be using.  Only a bit worried with the thicker oil about wear on start up, though as i mentioned car used only in nice weather.  Thank You!


difference between a US spec 1988 carrera and a ROW spec Carrera

1988 US spec Carrera vs a 1988 ROW spec Carrera(HP difference)

The 1988 Carrera's are speced at 217 HP with a Catalitic Converter and standard exhaust set up. The ROW cars are minus the Cat and instead have a pre-muffler and have about 230 hp. Is the cat the main difference that leads to the hp gain in the ROW cars? What else contributes to the difference in HP?


do i have to change oil hot

my car has been sitting for some time and i want to change the oil in it.  i really dont want to run it before changing the oil.  would it be ok to change the oil without starting it?


engine belly pan

Model: 911 (964) C2, Year:1991, Mileage:108,00, Type of use:Street use only

cam timing

Model: carrera cab, Year:1987, Mileage:63000, Type of use:Street use only
Chris, You recently answered a question in Panorama about getting more power from 3.2 carreras. You said to set the cam timing at 1.7mm, is there a downside to this? Does the idle change or do you lose power at the top end? Please let me know. Thanks, Kevin Stensrud


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