[ROVERNET - UK] I need the wisdom of RoverNet!

[birdie]

Champion N9Y's are for SC2000's.

There are very specific instructions about not mixing them up with the 
N6Y's that are for TC2000's!

There is someone on the list who mixed them up with bad results for the 
engine.

Cheers

Kathleen

Paul Smith wrote:

>What advance is the spark set to?
>N9Y work if you aren't pushing HARD.
>
>PVS
>
>-----Original Message-----
>From: rovernet-bounces at lyris.ccdata.com
>[mailto:rovernet-bounces at lyris.ccdata.com]On Behalf Of Steven Dibdin
>Sent: Monday, 21 August 2006 8:17 am
>To: rovernet at lyris.ccdata.com
>Subject: [ROVERNET - UK] I need the wisdom of RoverNet!
>
>
>Interesting problem on my 2000TC.
>
>We had a trip two monthes ago and on the trip back the I noticed a loss of 
>power on the highway. It had started idling pretty roughly in traffic and 
>the accelaration was rather flat across the range.
>
>I found the king lead from the coil to the dizzie was arcing at the coil 
>right onto the mouting. I wasn't sure how old the all the HT leads were so 
>replaced them all with a new set. To my surprise the arcing was still there. 
>It was then I noticed the hairline crack in the coil's bakerlite nose. I 
>have a new one on the way and have put some insulating grease around the 
>nose as a stop gap until the new one arrives.
>
>I decided to check the ignition timing while I was at it and set that to the 
>correct mark. (I use a lead substitute so I haven't noticed any 
>pinking/pinging). I checked the spark plugs only to find that the previous 
>owner's mechanic had fitted N9Y sparks instead of N6Y. I regapped them to 
>0.025" (they were 0.040") and the with timing I now have idle down at the 
>specified 800 RPM. The torque and responsiveness has returned somewhat but 
>feel like it had more 'umph' before. Any ideas?
>
>By the way I had fitted new-old-stock carbs' and the car was running very 
>well before. I did a compression test on all cylinders and got 
>165-160-155-155, I know that the factory manual says that I should get a 
>minium of 170psi but I feel that if the compressions had dropped more on one 
>or two cylinders I would be thinking head gasket or damaged valve seat.
>
>
>I look forward to any pointers.
>
>
>Thanks,
>
>Steven Dibdin
>
>
>
>_______________________________________________
>rovernet mailing list
>rovernet at lyris.ccdata.com
>To unsubscribe, go to this web page, look near the bottom and follow instructions:
>http://mailman.nipltd.com/mailman/listinfo/rovernet
>Back-up list and photos at:
>http://autos.groups.yahoo.com/group/Rover_net/
>
>
>
>_______________________________________________
>rovernet mailing list
>rovernet at lyris.ccdata.com
>To unsubscribe, go to this web page, look near the bottom and follow instructions:
>http://mailman.nipltd.com/mailman/listinfo/rovernet
>Back-up list and photos at:
>http://autos.groups.yahoo.com/group/Rover_net/
>
>  
>