Thread: Fluid damper vs harmonic balancer

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If you are going to track it any you will need an SFI rated one--

HMMM, I went back and read my post and noticed that there are two links embedded that I did not put there, and they say "...added by VigLink". Problem is they are generic advertisement links that don't really fit the text. I suppose this is a feature that may generate a bit of revenue for the forum, but it's not one that I like. I would prefer that the only links embedded in our posts are those that we put there after finding something that we believe adds value to the reply.

And Jerry, I agree totally with your comment about SFI rating, and noted that most, if not all of the mid-range priced flex plates do carry the SFI rating. I think that buying SFI rated rotating equipment makes sense, even if one is not planning to do sanctioned racing. We tend to "play" hard occasionally....

And so as not to over spend on street parts----there ARE SFI speced parts that are available but haven't been tested and dated so they can't be used racing--also if racing you will need to carry current documentation on your parts----------(especially flywheels, bell housings, dampners)


A note to clarify above comment---------there are parts designed and manufactured to the SPECS but have never been CERTIFIED, whish makes them cheaper but high quality still-than the dated and tested parts------


an example are some of the quick time bell housings, etc

No racing, just a cool truck for cruise, Thanks for all your recommendations, it is exactly what I was looking for.

yep you can buy a thick fly wheel 135 thick ..flex plate that has no sfi sticker same wheel. no sticker or just timed out .. past date on wheel .sold many with builds that sfi is not a big deal it is how thick the wheel face plate is helps make it sfi that and a sticker . trans parts guy many not know or care as this is a fly wheel that is spun with a mass as it extenal bal they can off .jerry and i know this guy on the phone may not .but at the end of the day it,s how close you want to be as the fly wheel will not take much to be off as it.s the furthest from crank center line with off set weight as for a less or mild grade i have customers in the real world putting over 1600 hp on them thick wheels