I purchased the Spec 3+ with lighter steel FW. Here are the actual measured weights:




Spec Steel Flywheel Part #:SC05S 25.5 Lbs., (Original Dual Mass 36.6 lbs.) - 11.1 Lbs
Spec 3+ Clutch Disk 6.2 Lbs. (ouch!) (Original as removed 3 Lbs.) + 2.8 Lbs.
Spec 3+ Pressure Plate 12.6 Lbs. (Original Valeo as removed 13.5 Lbs.) - 0.9 Lbs.
= 9.2 Lbs. less
I would have went with the SPEC Aluminum Flywheel Part #:SC05A (14 Lbs.) if I knew the Spec #SC05S was 3.5 Lbs. heavier than Spec quoted.... and the disk was 2.8 Lbs. heavier than I figured.

 

Thanks, I'm gonna print out these weights for future reference; I run the exact same setup, I predict that you'll be pleased.

I really like metallic clutches; in a chevy pickup I got 3x the wear of any organic or ceramic clutch I ever tried...and I tried lots; in a 350 Monza hot rod I ran a metallic clutch which saw much abuse and never slipped or gave off any "stanky" odors either; one of the things that made me try metallic clutches when they first came out was an article / test that stated a metallic clutch coefficient of friction goes up the hotter it gets , just the opposite of an organic clutch and boy do I ever believe it. And I believe that a metallic clutch is pretty much unaffected by oil contamination...how many clutches can say that?


just speaking from my own experience, when you install it, with the pilot installation tool still in place have someone operate the clutch and verify that you're getting adequate travel at the throwout bearing to release the pressure plate; initially I wasn't and that would have been one huge ball buster to tear everything back apart after the trans, c beam and exhaust were all back in place and then do the reinstall.

p.s. if the plus 3 disc is a little too heavy, trade it back in for the regular stage three paddle style disc...you'll get your weight reduction;

I've use RAM six paddle style disc I think they lock up just as hard as a full surface disc...which is to say they lock up fast and hard; I went with the plus 3 full surface disc in part...I know this seems counterproductive, but I wanted to put some weight back in the clutch.

Best of luck.