I've never heard of this fix before. Consider the fact that you have the keyway to deal with, so how do you put on a sleeve and still have a keyway. Here are the standard articles on a bad crank. The first doesn't apply 100% to your case since it is talking about the short nose crank but lately people have had regular cranks fail too. http://www.miata.net/garage/crankshaft.html http://www.miata.net/garage/hsue/crank/loctite_1.htm http://www.miataclub.org/orlando/94crank/ Larry White Knight 1991 Crystal White #99 CSP Silver Bullet 1992 Silverstone #17 SM2 FM I+ Turbo Honey B 1992 Sunburst Yellow #99 SM2L JR Supercharger Whooosh 2004 Titanium Mazdaspeed MX-5 LowCountry Miata <http://www.lowcountrymiataclub.net> http://www.lowcountrymiataclub.net Masters Miata RAGS 074 From: [email protected] [mailto:[email protected]] On Behalf Of john daniels Sent: Monday, February 02, 2009 12:11 AM To: [email protected] Subject: 95 crank diametor
Hi. I have a 95 fm2 with 100k. Timing belt repaced at 85k. While Un turboing my car for smog ( Ca.) I noticed the pully wobbling and with the timing light it looks like the timing varies plus or minus 2 a few times a second. the car seems really sluggish below 3k rpm. I pulled the pully and timing gear and found that the key was broken in half. A guy suggested that I put in a crank sleeve around the crank. Aparently you slip it over the crank and tap it in under the first bearing. but I need to know the diameter of the crank where it hits the first bearing. the measurment has to be down to the thousanth of an inch. does anyone know the size? ( in inches or mm.) thanks, John
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