[ROVERNET - UK] Lumpy idle
Vern Klukas
vern at inkspotco.com
Tue Jul 5 04:49:29 BST 2005
One of the drawbacks of a light flywheel is lumpy idling. With a
better than 25% reduction in mass, I'd bet that you will never see a
smooth idle again.
Yours
Vern
>I've completed a rebuild of my 2000TC engine before starting on the
>2200 overbored motor for my other 2000TC.........I wanted to try a
>few things on this engine before starting the other..........One of
>the things was lightening the flywheel.................The regular
>flywheel weighed in at 21.6 lbs.............I've had it shaved and
>lightened and balanced to 15 lbs which did not look too
>radical.......(LOL not after i seen a guys Mazda flywheel at 5.5
>lbs for racing)....albeit i've lost half of the EP , TDC , and 6
>degree stamped markings........I did not do anything else to the
>crank or rods and pistons......ie lighten or balance them...(money
>to play with practice motor ran out LOL) ....Now up and driving it
>i'm very happy with the response...........it seems to spool up much
>quicker(no more power but it gets there quicker i
>believe)..........I'm now thinking with the overbore and added
>torque that this will be a worthwhile endevour............One
>drawback is the idle is not as smooth as it was .......not bad but
>lumpier........but i'll be playing with the timing and the carbs to
>see if it gets better........ They were rebuilt last year so i'm
>ruling them out.......Not balancing everything might also have
>contributed to this idle but i will be doing that for the 2200
>overbore motor.............I'll keep everyone informed as to my
>final evaluation but for now i'm quite happy
>
>An aside to the chap with the hot idle problem in the
>3500............Try a bottle of Red Line Water Wetter in the rad
>added to your coolant......The stuff works great and really lets the
>engine run cooler................Cheap and worth a try
>.........Regardless the engine runs cooler
>
>Happy Rovering
>
>Bill Robertson
>
>
>
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--
Vern Klukas I'm a little . . .
Inkspot Type & Design
vern at inkspotco.com
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