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Flywheel replacement

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3.2K views 19 replies 8 participants last post by  awhtx  
#1 ·
Hi,

I have a 67 mustang 289 engine M/T 4 speed, and I need to replace my flywheel, but I don't know what is the best option with good price-quality ratio.
I've been looking at the LUK LFW451 but I've seen some comments on the Summit racing website that it causes engine vibration. I'm having a hard time finding a flywheel that fits my 10" diameter clucth disc.
I've seen other brands such as Pioneer Flywheels FW-163 or Procomp Electronics Flywheel PCE229.1009, only they change the clucth disc diameter to 10.5".
I would like you to help me with your experiences, because I'm from Portugal and here I can't find information.

Best regards,
Filipe
 
#3 ·
Thanks for your response Greg.
These options had not appeared to me.
Who clutch kit advises for this flywheel? I have seen some clutch kit for OE Replacement and I have seen that there are also "improved" ones of the stage 1 type.
Until now I had a 10" SACHS K003004 and my Flywheel had already been rectified but I felt a lot of vibration when I let go of the pedal clutch. What kind of clutch kit should I choose?

Regards,
Filipe
 
#4 ·
It's probably best to ask Modern Driveline (via email) as to their recommendations. There are many different
kind of issues associated with a clutch shudder. Does "rectified' mean re-surfaced?
Check the all the linkage for any lost motion or free play in the wrong locations.
 
#5 ·
gjz30075 said:
It's probably best to ask Modern Driveline (via email) as to their recommendations. There are many different
kind of issues associated with a clutch shudder. Does "rectified' mean re-surfaced?
Check the all the linkage for any lost motion or free play in the wrong locations.
Click to expand...
Yes, Re-surfaced (machined flat) the face where the clutch disc rests.
I don't know if it's correct to do that, if it will decompensate the steering wheel. I don't know if this Re-surfaced is a good solution.
Do you think the Re-surfaced is correct? Do you usually do this?
My flywheel is a C6ZE6380A as shown in the photo.

Regards,
Filipe
 

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#6 · (Edited)
Normal procedure is to resurface the flywheel, not replace it. The machinist will only cut as much as needed to clean up the surface. You'll adjust the clutch linkage afterwards anyway, and it'll compensate for the minor change so you'll see no negative effects.

If the ring gear teeth are worn, you can either flip the gear, or install a new one. Yours is a 157 tooth ring gear, so use Pioneer FRG157N or ATP ZA503
 
#9 ·
Hello Hemikiller,

The issue is that from what the machinist told me the flywheel had already been resurfaced.
My fear is that it's already too much. How much is the limit for cutting a flywheel? Will these two times that it has been resurfaced not be too much?

Regards,
Filipe Neto
 
#10 ·
Hello Roddster,

Why do you say that to take the new flywheel to an automotive machine shop and ask them to match-balance the new flywheel with the old one.
A new flywheel doesn't come with the correct balance (28 oz)?
If it's a flywheel for this engine and for this car might it not be correct?

Regards,
Filipe Neto
 
#11 ·
A Pioneer FW163 should do the trick if you need a new replacement. Just clean it up well with some solvent degreaser (Brake Cleaner, Naphtha, Lacquer Thinner, etc.) prior to installing to get the rust preservative off the friction surface. Bolt it on and drive it. Remember to put sealant on the threads of the CRANKSHAFT bolts.
 
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