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#1
02-02-2010, 03:55 AM
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Machinists!! / Engine Rebuilders!!! I need a tool!!!
that sounds terrible.....
But I need a ring file and refuse to buy a new one. I will never need this again within the next 5 years... please rent me one.... please?? I will pay shipping and $15 to rent the tool for up to 2 weeks.. maybe more.... I'm a newb. the gentlemen in diesel discussion can vouch for me... maybe.... again: Need a ring file!!! 
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#2
02-02-2010, 08:19 AM
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I have a rotary ring file you can rent. Send me an e-mail & I will look for it.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
02-02-2010, 08:26 PM
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as a noobie caution must be used -
ring grinders are unforgiving yet a little too much is in some cases ok rules ::: lets say its a 3 1/2 inch bore > .016 thous is the correct Gap you will need for A 1/16" thick , Top or Second piston ring with chrome, cast iron or Moly coated cast iron, The oil ring does not get modded -- .043 MM rings are different in the gap sizing same bore ---- Normal ring set for a car set of rings is always pre set, you do not need to adjust --- racing rings are a differnet thing they come as .005 over size, so the builder can adjust to the spec based on what he hones the cylinder to, for the type of use the motor will be doing IE boat oval track drag kind of thing --- what makes you want to adjust them and if you do a tip is needed -- if your piston is flat you need to glass bead rhe top of one at least, than using the top as a guide the ring in the bore needs to be squared to correctly measure it, using a feeler gauge than after grinding you will need a knife sharping stone to remove any sharp edges from the ring you ground or the ring will scrach the cylinder just my take been doing it for a while -- jz
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#5
02-02-2010, 08:30 PM
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You should always consult the book before assuming anything about your ring gap. Some take more. A bit too much gap means blow-by, but too little can lock the piston into the cylinder -- while it is moving.
Even knowing that you want a grinder is a step above newbie, but I've done them with a hand file. Fortunately, that was only four rings for a V-twin.
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