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Joined: Aug 2008
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hello, when i start the engine it makes a moderate screeching sound always. its not the missing-gear-tooth on the flywheel sound but still obnoxious. i'm thinking the starter is not properly shimmed. basically its the same as it was 25 years ago (engine sat for that long). how do you know how many shims are supposed to be in ? thanks
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Joined: Jan 2005
Posts: 141
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normally you need to have the trans off to use a wire type feeler gauge to measure the clearance. if you go about halfway down this page on my site you can see me doing the clearance measurement. i am sure there may be other ways that a seasoned mechanic may use without removing the tranny but this is the way i know. http://www3.telus.net/68bird/engine_install.htm
Mh68bird]
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Joined: Oct 2004
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I just used a screwdriver to pry the pinion gear out of the starter to engage the flywheel and used a piece of welding wire 0.035" to check my gap. All while the transmission is in.
![[Linked Image from imageshack.us]](http://imageshack.us/a/img845/5189/turd2.png) I know that washing and waxing my car with the present condtion of my paint is like polishing a turd.....but it's my turd and I want it polished!
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Joined: Aug 2006
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a paper clip will work if you don't have welding wire to check the gap.
Harry 69 Firebird   _________________________________________________ 1969 firebird 350/auto 2012 mustang v6 (wifes car) 2012 jeep compass (winter vehicle) 2008 dodge ram 4x4 Hemi
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Joined: Jan 2002
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x 2 on the paper clip. Worked perfectly.
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement
2006 Mustang V6 Pony, Vista Blue. Factory ordered.
2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it)
Old projects, gone but not forgotten:
1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it.
1980 Turbo Trans Am
1970 Mustang fastback, 351C 4Bbl, auto
1988 Mustang GT, 5 speed
1983 F-150 4x4, built 302
1994 Chevy K2500 HD 4x4, 454 TBI
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Joined: Jul 2003
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I read that there should be a 1/8" gap between the shaft and the ring gear. I use a piece of 1/8" weld wire bent atthe end.
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Joined: Aug 2008
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thanks guys !!! great info, i had no idea about this.. i will report back what i find as soon as i get a chance to go out in the garage (getting cold up here already) !!!
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![[Linked Image from imageshack.us]](http://imageshack.us/photo/my-images/845/turd2.png/)
