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SMC SMC is offline
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Help my Dad?

Can someone in or near Santa Rosa help my Dad.
We are in the process of restoring a 1970 911T with a 2.2 and Zenith Carbs. We rebuilt the engine and carbs and have it all back in the car. We have tried to start the car a few times now with no luck (it acts like it wants to start but will not catch). We have check for spark, checked for fuel pressure
even, rechecked the valve adjustment. If there are any Porsche experts in his area we could use your
Help.
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Old 12-02-2005, 01:34 PM
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I am a long way from California and don't have any suggestions but I do believe this will get better response on the tech board. Many more eyes over there and this certainly would qualify as a tech question as well.

Good Luck
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Old 12-02-2005, 01:55 PM
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Thanks will do.
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Old 12-02-2005, 01:58 PM
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SMC SMC is offline
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Help my Dad.

Can someone in or near Santa Rosa help my Dad.
We are in the process of restoring a 1970 911T with a 2.2 and Zenith Carbs. We rebuilt the engine and carbs and have it all back in the car. We have tried to start the car a few times now with no luck (it acts like it wants to start but will not catch). We have check for spark, checked for fuel pressure
even, rechecked the valve adjustment. If there are any Porsche experts in his area we could use your
Help.
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1988 911 Carrera
1970 911T
1972 911E Roller
Old 12-02-2005, 01:59 PM
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B D B D is offline
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Is there fuel in the carbs, what about spark? Pull a plug is it wet?

At TDC is the rotor pointing to the little mark, check the timing?
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Old 12-02-2005, 02:02 PM
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Yes, yes, yes, yes, and yes. I will pull the plugs one more time and check again.
Old 12-02-2005, 03:09 PM
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What about the order of plug wires, double check they match the firing order?

1-6-2-4-3-5


Here is image which shows the layout of the cylinders.
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Old 12-02-2005, 03:37 PM
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I'm nearby in Petaluma, but unfortunately can only offer words of encouragement.
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Old 12-02-2005, 03:48 PM
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I am close by. don't know if I would be much help but if I can I will help.
I wil pm you my phone number.
Had the same car at one time.
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Old 12-02-2005, 04:27 PM
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You know what would be helpful is a photo or diagram of the
spark plug wires going into the distributer cap. We have checked and re-checked them. My only concern is that they seem to be in the reverse order of my 88 911, can this be right. I was under the impression they were the same firing order.
Old 12-02-2005, 04:48 PM
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same firing order but the distributor rotates the opposite direction in the 1988.

Jim
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Old 12-02-2005, 05:09 PM
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I can't imagine this is a Porsche unique problem. Any good old mechanic should be able to help on this.
This has the 051 distributor? Timing and dwell set correctly? There is spark at the plug tips?
I never worked on Zeniths, but I presume they are like Solexes. Floats actually float in gasoline? Is there gas in the float chamber and to the right level? Did you check the carburettors off the car by blowing air down the venturis and get gas to flow? Does the accelerator pump put out the correct amount? Did you measure it?
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Old 12-02-2005, 11:26 PM
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Seems to me that Jim may have identified your problem...
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Old 12-03-2005, 08:55 AM
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Quote:
Originally posted by addictionMS
same firing order but the distributor rotates the opposite direction in the 1988.

Jim
I thought the SC's were the only "wierd ones" that turned counter clockwise. Learn sumptin' new every day I guess!
-Chris
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Old 12-03-2005, 09:28 AM
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I thought the same thing Chris.
Old 12-03-2005, 09:37 AM
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The wires are in the reverse order of my 88 911 so the wires on the 70 911 are correct, if so lets still trouble shoot.
Old 12-03-2005, 11:15 AM
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Do you have compression in the cylinders?
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Old 12-03-2005, 11:37 AM
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checking I will let you know.

Last edited by 1970BOB; 12-03-2005 at 06:38 PM..
Old 12-03-2005, 06:10 PM
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