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Free minder
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Well, actually it does not run anymore...but that is ignition related. I disconnected the coil to test the compression on that cylinder 3. I got 120 psi, which I think is ok considering the altitude over 5000 feet, the cr of 8.5:1 and the fact I measured it cold. When I reconnected the coil, I got no spark, no more ignition at all. Weird.
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1978 SC Targa, DC15 cams, 9.3:1 cr, backdated heat, sport exhaust https://1978sctarga.car.blog/ 2014 Cayenne platinum edition 2008 Benz C300 (wife’s) 2010 Honda Civic LX (daughter’s) |
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06-24-2012, 08:42 AM
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Free minder
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Had I read a little more before doing my compression test, I would have saved myself a $89 coil...
hopefully I did not burn the CDI box too. 
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1978 SC Targa, DC15 cams, 9.3:1 cr, backdated heat, sport exhaust https://1978sctarga.car.blog/ 2014 Cayenne platinum edition 2008 Benz C300 (wife’s) 2010 Honda Civic LX (daughter’s) |
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06-25-2012, 05:44 PM
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Registered
Join Date: Apr 2006
Location: northeast
Posts: 4,527
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correct posting aurel...i always disconnect the 2 wires that have sm nuts holding them to the top of the coil so as to not damage coil, cdi(if applicable type car) and I unplug the coil wire out of the center top of the dizzy just to be safe...
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I live for 911 tweaks... |
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06-26-2012, 05:45 AM
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Did you ever figure out what the issue was? Rod bearing, lifter, or tensioner?
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05-05-2019, 05:38 PM
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Free minder
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Yeah, Rod bearings. I rebuilt the whole bottom end back then...
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1978 SC Targa, DC15 cams, 9.3:1 cr, backdated heat, sport exhaust https://1978sctarga.car.blog/ 2014 Cayenne platinum edition 2008 Benz C300 (wife’s) 2010 Honda Civic LX (daughter’s) |
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09-18-2019, 03:06 PM
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Registered
Join Date: Aug 2018
Location: San Diego, CA
Posts: 1,298
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Quote:
I would think with that amount of rod knock you would find some flake in the oil. |
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09-18-2019, 06:41 PM
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