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Join Date: Sep 2008
Location: Southampton, UK.
Posts: 147
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CHT and crank sensor readings?
So I tried to fire up my 993 motor in a 78SC today.
I have got it cranking, oil pressure, sounds good, fuel in the rails, one king lead delivered a healthy spark, but not firing. I pulled number 4 top plug after quite a lot of cranking and it was bone dry and no smell of gas. I dont have a 993 manual, what ohm reading should I get across the CHT and crank sensors? (I have a DVM but no scope).
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Running a 95 993 motor in an SC.... |
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09-09-2010, 12:10 PM
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And if anyone has got the 993 part numbers for the CHT and crank ref that would be handy too.
Edit - So I think I found the part numbers, CHT is 993-606-013-00 and 996-606-105-00 for the crank. Still need to know the ohm numbers.
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Running a 95 993 motor in an SC.... Last edited by burgundyben; 09-09-2010 at 01:21 PM.. |
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09-09-2010, 01:15 PM
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Location: Angels Camp, CA
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maybe this will help?
 Glen Pettigrew
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1974 911 |
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09-09-2010, 08:48 PM
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Excellent, that's very helpful.
Many thanks.
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Running a 95 993 motor in an SC.... |
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09-09-2010, 10:58 PM
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So I just tested the CHT sensor with a meter, its 20 degrees C here today and I got a reading of 2.45Kohms.
Pretty much in the right place. I've ordered a Crank sensor as the body of mine has sustained a bash and its a trickier thing to check, I havent used a scope for 15 years so i thought buying a new sensor easier!
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Running a 95 993 motor in an SC.... |
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09-12-2010, 08:05 AM
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