North American Turbocoupe Organization



Stinger's lighter flywheel
Sean Offline
Member
#1
I just got a stage 2+ clutch that I won't have installed for a bit.....is the new flywheel worth anything? Or should I just machine the old one? The engine seems to be slow to rev or to rev down, but it probably needs the flywheel mass to be easier to drive in such a big car.

Thoughts?
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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Pete D Offline
Administrator
#2
What do you want to do with the car? Awhile back Hot Rod did an article on lightened FWs vs stock. There wasn't a real big difference in the numbers according to the article and it was mostly in performance application (drag strip for example)
Pete Dunham


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Sean Offline
Member
#3
Mostly commuting/road tripping, but driven with enough aggression to call it "racing"
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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Jeff K Offline
Administrator
#4
Not worth it for a street driven car. I suggest buying a new "stock" flywheel, They arent very expensive. If you cut the original, be sure to shim it to make up for the amount that is cut off or the clutch wont engage at the correct pedal height.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Sean Offline
Member
#5
If I just get it machined flat for a new clutch do I need to shim it?
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
Reply

Pete D Offline
Administrator
#6
Machining the FW will change the pick up point, hence shimming. It used to be you could choose between two thickness' of shims. NAPA was one place to get them. I think a place called Northern or Northern Supply used to have them also. I don't remember the exact sizes but it is in a long ago post.

A fresh finish on an old FW is absolutely necessary for long clutch life. Ask me how I know Big Grin
Pete Dunham


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