Timing trouble

ReefBlue1994 · February 7th, 2012, 06:55 PM

Guys my cars running, I went to check the timing and now my timing mark won't show up!i did however switch to a higher quality craftsman timing light with a degree advance knob,has anyone else had this trouble?my car still starts,and if I switch the cord to the number 5 spark plug versus the number one, the timing shows up, but it's way off.

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FastStang91Lx · February 7th, 2012, 09:48 PM

Just making sure that you are aware that the number 1 is the left front cylinder when looking from the front... If so, then maybe your balancer has spun on the rubber.

ReefBlue1994 · February 7th, 2012, 09:51 PM

What do you mean "spun on the rubber"

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Ninety3Coupe · February 7th, 2012, 09:55 PM

The balancer is an inner hub (bolted to the crank) and an outer hub separated by a rubber ring. When the ring deteriorates the outer hub can spin relative to the inner.

+1 for this being the case. Check the rubber for wear (it is thin, 1/8th thick tops) and see if any is hanging out or flapping around. Also, see if the outer ring wobbles fore and aft.

Good luck, replacement is pretty easy, get a new balancer and a puller and you're all set! I just did mie a couple months ago. Drives much smoother now!

FastStang91Lx · February 7th, 2012, 09:56 PM

There is a rubber band that attaches the inner to the outer. As you can see in the pic, mine was starting to let loose, but I caught it in time.

FastStang91Lx · February 7th, 2012, 09:57 PM

Got tree'd by Ninety3.... lol

ReefBlue1994 · February 7th, 2012, 09:59 PM

Thanks guys.could this explain my in accuracy for the timing mark?

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Ninety3Coupe · February 7th, 2012, 10:05 PM

Reef- Yes indeed. It is reason numero uno why you'd be missing the mark. If yours looks like Fasts you should pick up a new one. Or ask one of us what it looks (and drives!) like when one comes off while driving. Hint: Replace it before that happens!

Fast- What? No spare laying around? lmao!

I may have taken you from the dig but the pic was strong dude, I think you won. Well done!

And thank you again btw. I got 'em today. You rock!

FastStang91Lx · February 7th, 2012, 10:06 PM

That it could. Take a good look at yours. You could put #1 on TDC of the compression stroke and check it against the pointer and balancer. If it's not on or about zero (don't forget that the piston dwells at TDC for a few degrees), then I would say your balancer has spun.

FastStang91Lx · February 7th, 2012, 10:07 PM

Damn it, twice in one thread, lol.

ReefBlue1994 · February 7th, 2012, 10:08 PM

You guys are both very helpful thanks

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FastStang91Lx · February 7th, 2012, 10:09 PM

No spares.... unless you count the one off my 351 on the engine stand, lol.

Ninety3Coupe · February 7th, 2012, 10:14 PM

I'm helpful. Fast is just late. lmao!

No worries my friend, just check it out. If that's it and you fix it you will start it up and think the damn thing is off. I know my idle quality went up dramatically when I swapped mine!

Oh, and get a Ford part. I don't think you'll need a fancy-schmancy one, but a cheapy will just lead to this dance again in the future. IMHO anyway...

Good luck!

February 7th, 2012, 09:48 PM	#2
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	Just making sure that you are aware that the number 1 is the left front cylinder when looking from the front... If so, then maybe your balancer has spun on the rubber. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 09:51 PM	#3
ReefBlue1994 Regular 1993 Mustang GT Join Date: Jan 2012 Location: Wfalls, Texas Posts: 344 iTrader: 0 reviews	What do you mean "spun on the rubber" Sent from my Autoguide iPhone app __________________ 1993 Mustang GT (Reef Blue on platinum) 105k Miles, still strong. BBK CAI Dual Flowmasters Hurst Shortshifter Smog Delete Gatorback pulleys. FULL LED Tailights NEWEST ADDITION: Eaton M90 supercharger kit

February 7th, 2012, 09:55 PM	#4
Ninety3Coupe I need a 5 lug kit 1993 Mustang LX 5.0 Join Date: Feb 2012 Location: Anaheim, Ca. Posts: 336 iTrader: 1 reviews	The balancer is an inner hub (bolted to the crank) and an outer hub separated by a rubber ring. When the ring deteriorates the outer hub can spin relative to the inner. +1 for this being the case. Check the rubber for wear (it is thin, 1/8th thick tops) and see if any is hanging out or flapping around. Also, see if the outer ring wobbles fore and aft. Good luck, replacement is pretty easy, get a new balancer and a puller and you're all set! I just did mie a couple months ago. Drives much smoother now! __________________ Half of Maximum Motorsports Catalog, Full Intake, Full Exhaust. Needs paint and $35,000 in mods. Car / Build Photos: http://photobucket.com/CoupePictures

February 7th, 2012, 09:56 PM	#5
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	There is a rubber band that attaches the inner to the outer. As you can see in the pic, mine was starting to let loose, but I caught it in time. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 09:57 PM	#6
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	Got tree'd by Ninety3.... lol __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 06:55 PM	#1
ReefBlue1994 Regular 1993 Mustang GT Join Date: Jan 2012 Location: Wfalls, Texas Posts: 344 iTrader: 0 reviews	Timing trouble Guys my cars running, I went to check the timing and now my timing mark won't show up!i did however switch to a higher quality craftsman timing light with a degree advance knob,has anyone else had this trouble?my car still starts,and if I switch the cord to the number 5 spark plug versus the number one, the timing shows up, but it's way off. Sent from my Autoguide iPhone app __________________ 1993 Mustang GT (Reef Blue on platinum) 105k Miles, still strong. BBK CAI Dual Flowmasters Hurst Shortshifter Smog Delete Gatorback pulleys. FULL LED Tailights NEWEST ADDITION: Eaton M90 supercharger kit

February 7th, 2012, 09:59 PM	#7
ReefBlue1994 Regular 1993 Mustang GT Join Date: Jan 2012 Location: Wfalls, Texas Posts: 344 iTrader: 0 reviews	Thanks guys.could this explain my in accuracy for the timing mark? Sent from my Autoguide iPhone app __________________ 1993 Mustang GT (Reef Blue on platinum) 105k Miles, still strong. BBK CAI Dual Flowmasters Hurst Shortshifter Smog Delete Gatorback pulleys. FULL LED Tailights NEWEST ADDITION: Eaton M90 supercharger kit

February 7th, 2012, 10:05 PM	#8
Ninety3Coupe I need a 5 lug kit 1993 Mustang LX 5.0 Join Date: Feb 2012 Location: Anaheim, Ca. Posts: 336 iTrader: 1 reviews	Reef- Yes indeed. It is reason numero uno why you'd be missing the mark. If yours looks like Fasts you should pick up a new one. Or ask one of us what it looks (and drives!) like when one comes off while driving. Hint: Replace it before that happens! Fast- What? No spare laying around? lmao! I may have taken you from the dig but the pic was strong dude, I think you won. Well done! And thank you again btw. I got 'em today. You rock! __________________ Half of Maximum Motorsports Catalog, Full Intake, Full Exhaust. Needs paint and $35,000 in mods. Car / Build Photos: http://photobucket.com/CoupePictures

February 7th, 2012, 10:06 PM	#9
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	That it could. Take a good look at yours. You could put #1 on TDC of the compression stroke and check it against the pointer and balancer. If it's not on or about zero (don't forget that the piston dwells at TDC for a few degrees), then I would say your balancer has spun. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 10:07 PM	#10
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	Damn it, twice in one thread, lol. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 10:08 PM	#11
ReefBlue1994 Regular 1993 Mustang GT Join Date: Jan 2012 Location: Wfalls, Texas Posts: 344 iTrader: 0 reviews	You guys are both very helpful thanks Sent from my Autoguide iPhone app __________________ 1993 Mustang GT (Reef Blue on platinum) 105k Miles, still strong. BBK CAI Dual Flowmasters Hurst Shortshifter Smog Delete Gatorback pulleys. FULL LED Tailights NEWEST ADDITION: Eaton M90 supercharger kit

February 7th, 2012, 10:09 PM	#12
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	No spares.... unless you count the one off my 351 on the engine stand, lol. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 7th, 2012, 10:14 PM	#13
Ninety3Coupe I need a 5 lug kit 1993 Mustang LX 5.0 Join Date: Feb 2012 Location: Anaheim, Ca. Posts: 336 iTrader: 1 reviews	I'm helpful. Fast is just late. lmao! No worries my friend, just check it out. If that's it and you fix it you will start it up and think the damn thing is off. I know my idle quality went up dramatically when I swapped mine! Oh, and get a Ford part. I don't think you'll need a fancy-schmancy one, but a cheapy will just lead to this dance again in the future. IMHO anyway... Good luck! __________________ Half of Maximum Motorsports Catalog, Full Intake, Full Exhaust. Needs paint and $35,000 in mods. Car / Build Photos: http://photobucket.com/CoupePictures

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