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-   -   How often to start engine (http://forums.pelicanparts.com/porsche-911-technical-forum/730657-how-often-start-engine.html)

bcgreen 01-26-2013 04:57 PM
Quote:
Originally Posted by tevake (Post 7231567)
Thanks for preserving what sounds like a special car. Sorry you will be missing out on the fun of driving and enjoying it that way. Maybe you have another Porsche to drive?

What about fuel stabilizing? If you drive very rarely won't the fuel go off while sitting for so long?

Should the tank be topped off with fuel treatment added? To avoid rust in the tank. Or kept with very little fuel in the tank so the fuel will be used up and replaced more often?
Interesting challenge. There are others here with show cars, curious what they do in this regard.

Cheers Richard
I have other vehicles, late models, that sit sometimes 2-3mos. without being started and have been doing this for a few years now, and have not had issues from any of the cars. It makes sense to use a stabilizer, but maybe 3 mos. is not enough to cause any fuel gumming up the works.
For the Porsche, my concern is not for the fuel, but it is for seals and gaskets drying up. Once its in its garage then I will be going for an early Sunday run at least every 2 weeks.

bcgreen 01-28-2013 06:37 PM
Quote:
Originally Posted by Alan Lindquist (Post 7230179)
BCGreen - sorry for my cynical answer. You don't deserve it. I was just having fun. Post some pictures of your car. We'd love to see a nice clean SC. Mines a daily driver and it shows the 250K miles that are on it. It's nice to know that some of the SCs are being preserved and cared for as opposed to being run and rebuilt.

My guess is that the more often the better. Just choose nice days - get it up to full operating temperature and row through the gears a few times with peaks at a moderately high RPM. Stay way back from other cars to avoid road rash.

I'm thinking that you should do this as often as you can.
Better yet, instead of a picture, how about a video? Flat6magazine is the written copy or visa versa.
Flat6 Magazine N°257 - Comparatif "caisses G" les Porsche 911 de 74 à 89 - YouTube

Guardsred911 01-28-2013 06:48 PM
This is interesting as the PO on the car I purchased a year ago had a few leaks, but not much... since I have had it, I have actually noticed a lot more leaking, and currently have the engine down for a triangle of death excorcism... but I suppose that has more to do with different circumstances than dries seals...

snbush67 01-29-2013 02:49 PM
Quote:
Originally Posted by bcgreen (Post 7230553)
This is a 1976 911 SC or also known as a Carrera. Almost the last one on the line, of 123 cars.
you must have a prototype for the later SC models. Everything I have read has stated that Porsche used an SC designation for the 356's and that the SC designation was not used again until 1978 with the introduction of the 911 SC.

dshepp806 01-29-2013 03:13 PM
same here: 1978.

Doyle

Les Paul 01-29-2013 04:02 PM
Sometimes I go for over a month and other than huge clouds of oil smoke I've never had a problem with leaking seals. There was one time when I left it several months and it acted like it wasn't going to clear off. Even blew oil out the wast gate exhaust pipe. You don't have that problem. I haven't replaced all the fuel lines though and I get nervous about it but have been putting stabil in that supposedly counteracts the effects of the ethanol in the gas.

The old rule of thumb seemed to be keep your tank full so temperature swings won't cause condensation to fall out from the inner exposed surface area of your fuel tank. I miss not having my kids at home any more because when they were growing up we went on many a spirited Sunday drives. Now it's just me for the monthly fix.

bcgreen 01-29-2013 04:39 PM
Quote:
Originally Posted by snbush67 (Post 7239276)
you must have a prototype for the later SC models. Everything I have read has stated that Porsche used an SC designation for the 356's and that the SC designation was not used again until 1978 with the introduction of the 911 SC.
Oh, I forgot to add, this has the 2.7 MFI, 210 hp engine.
A picture is worth a 1000 words, well here ya go, a video of my car. Watch the green one, that mine.
http://www.youtube.com/watch?v=QJIlS2-D9HU

A full write up in Flat 6 magazine.

motogman 01-29-2013 05:12 PM
What year did you say the car was built? What is the VIN?

The 2.7 MFI was used in the 74-76 Carrera 2.7 Models which used the 911/83 model engine. Only a few built in Germany in 76. The engine code can be found on the casting to the right of the fan (there are 2 numbers - the engine model and serial number). If it is a 76 car it could be one of a very few.

bcgreen 01-29-2013 05:23 PM
Quote:
Originally Posted by motogman (Post 7239545)
What year did you say the car was built? What is the VIN?

The 2.7 MFI was used in the 74-76 Carrera 2.7 Models which used the 911/83 model engine. Only a few built in Germany in 76. The engine code can be found on the casting to the right of the fan (there are 2 numbers - the engine model and serial number). If it is a 76 car it could be one of a very few.
This is a '76 and was validated before purchase. This is number 119, and has been discussed elsewhere. 91166.....

911SauCy 01-29-2013 06:11 PM
My car has Sta-Bil in the tank and a tender on the battery...it'll be sitting for about 5 months total...partially apart as I'm doing winter projects on it.

Had to move it the other day, hit the key and it jumped to life with a little puff like I drove it yesterday...thing has 172xxx miles too :)

The only time I ever started getting seal leaks was in driving the car about 1500 miles after it had been awoken from 6 years in storage.

snbush67 01-29-2013 08:58 PM
Quote:
Originally Posted by bcgreen (Post 7239496)
Oh, I forgot to add, this has the 2.7 MFI, 210 hp engine.
A picture is worth a 1000 words, well here ya go, a video of my car. Watch the green one, that mine.
Flat6 Magazine N°257 - Comparatif "caisses G" les Porsche 911 de 74 à 89 - YouTube

A full write up in Flat 6 magazine.
Great car! And nice video. It is very special, I have never heard anyone refer to a 76 as an SC, what leads you to believe that it has an SC designation? Nothing in the video would reveal it as anything other than a mid-year, impact bumper, 76, Carrera.

bcgreen 01-30-2013 04:39 AM
Quote:
Originally Posted by snbush67 (Post 7239970)
Great car! And nice video. It is very special, I have never heard anyone refer to a 76 as an SC, what leads you to believe that it has an SC designation? Nothing in the video would reveal it as anything other than a mid-year, impact bumper, 76, Carrera.
When you look at the registration in Europe, it is labeled as a 911 SC.

911SauCy 01-30-2013 05:11 AM
Quote:
Originally Posted by bcgreen (Post 7240257)
When you look at the registration in Europe, it is labeled as a 911 SC.
I'm tossed by this as well.

Registration is as good as the motor vehicle people typing it up.

I have a CT reg for a Honda crf450r dirtbike, the reg has the correct year and VIN...but it's been improperly named a crf450x...

Sounds similar but it's a completely different bike.

See where I'm going with this?

Just my $.02

Joe Bob 01-30-2013 07:11 AM
Lot's of 356s were registered using the engine #s as VINs. I had a 58 from Jersey that needed fixing when I registered it in CA.

bcgreen 01-30-2013 05:10 PM
Quote:
Originally Posted by Hugh R (Post 7230266)
Agreed at least once every week or two. Let it get up to operating temp. I run my Honda 2000 watt generator for 15 minutes with my wife's hair dryer as a load once a month. I have several friends who have Yamaha or Honda generators that they let sit for six months and found the fuel system to be all gummed up, and wouldn't start.

Two weeks sitting no problem. Its not running for months, or years where you risk problems. I read all the time about people who have p-cars that sat for years without starting, but could be started, but didn't. I have to wonder why. Fuel turns to varnish, seals dry out and they start to leak. What's the big deal of going out and turning a key every once in a while?

Tires go to crap just sitting in one spot for months. I have lifting scissor jacks on my camping trailer, and I take the load off of the tires whenever I park it. It does wonders to prolong the life of the tires. I use it a few times a year. Same with the pcar, drive it to flex the tires and keep them round.
Someone I know said that to avoid leaks, is to change the gaskets to neopreme.

bcgreen 01-30-2013 05:18 PM
Quote:
Originally Posted by snbush67 (Post 7239970)
Great car! And nice video. It is very special, I have never heard anyone refer to a 76 as an SC, what leads you to believe that it has an SC designation? Nothing in the video would reveal it as anything other than a mid-year, impact bumper, 76, Carrera.
Some valuable information I have gathered and thought I would share. So much about this rare model, I am learning about.
"The internal type for Carrera 2.7 (and 73 RS) is the "911 SC". The aluminum number plate on all years, except 76, has "911 SC" stamped. 76 is just stamped "911".


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