Pray tell what benefit would Jake have re the dual mass versus lightweight flywheel choice. He makes neither so no financial incentive. And since he has been inside more failed engines than most posters here, he just might have some insight. That PCNA advises against it in a TSB also adds to the weight of the dual recommendation. Maybe if you have rebuilt your engine and balanced it to a micro ounce or if you just happened to get one balanced that way from the factory, you may be in the group that has a positive experience with the light weight flywheel. Or not...
Your car, your money, your choice.
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