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It's funny you said that. There's a number on my pulley ( C45 ). The part number on the pulley is 920668. It is a 3.17 Hellraiser for sure. But that C45 number is the lowest "C" number I've seen while looking at pictures, articles, and advertisements. I've never seen an as low or lower "C"...

That's a great shot. I wonder if the guts are the same as that alternator setup (Sure looks it). But I don't see a "ratchet" type mechanism. Just the spring. I wonder if it locks up all force on the spring when under load.

Yes, when you changed it just a hair or were at substantially higher rpm (2500/3000), it went away.

Basically yea. But now I have the ceramic bearings and the quick change shaft no matter what pulley's on the car.

Mike I have a clip of it but I never did the YouTube thing. If you want PM me your phone # and I'll send it. You got a Hellraiser on yours? or the stock one?

Yes, I'm staying with the stock for now. I believe the 3.17" size Hellraiser (which is what this is) was made for either. It adds 1 1/2 to 2 lbs of boost which the factory computer supposedly compensates for that variation in pressure without a tune adding @45RWHP to a RE and @25RWHP to a HC.

Honestly can't remember. Lol. Think it was rear seat delete?

No. This is my thinking. When I took the stock pulley off and compared it to the Hellraiser both had the freewheeling decoupler feature, but the stock pulley would immediately lock up in the direction of load (absolutely no play). The hellraiser is soft on lockup, with a boingy, springy feel...

OK, latest in the saga. Today I made the removal hex for the stock pulley. The hex tool from Metco was a hell of alot easier to drill and port than the tool steel allen key I made for the Hellraiser pulley. Now here's the fantabulous , wonderful, over the top, joy O joy, ...happy dance. IT...

Truly remarkable for an all steel heavyweight. Dave, That's with solid non-decoupling pulley's on the blower also right? (Metco's?). You ever had a problem with the blower? I don't remember. I remember you talking about quick changing pulleys at the track, but I cant remember if you ever...

I'm going to drill out the bigger Metco hex tool so I'll have a setup to go quickly between the stock and any other Hellraiser size pulley down the road when I get it tuned. Hopefully the Metco drills as easily as the Litens hex like your saying. Have you actually used the quick change setup...

That's so true. It really sucks. Country boys can get on the highways and by-ways and fly down the road at 70-80mph and go 100miles before we can get across the George Washington bridge. How'd you like to drive 30mi to the GW then sit in traffic another 1-2hrs (or more when really bad) before...

They use the black belt because its got more give than the green belt. Its softer on the hit to the whole drivetrain of the blower. 2.85 with 20lbs is a a lot of boost. Your probably getting some slippage and a lot of heat in the belt. That's normal wear for an old 70K-100K belt, but with the...

I sell you what's left of the original 17MM allen. You could make your own. Nice winter project. It'll take you till spring to get through so start now. :LOL:.

Latest..... Home made Hellraiser install/uninstall tool. Well today I made the the hollow hex tool that is required for a Hellraiser pulley install/ un-install without removing blower or snout. WHAT A BITCH!!!!!!. OK, I bought the the custom shaft from Jokerz that is machined for a 10MM allen to...

You have any idea what RWHP/torque those failures happened. That's fuc&*^ scary.

NICE! I've been looking at those. No other adjustments? alignment? Bolt in and go?

It's a gov't tracking device. You're being watched.

Yep. Sounds more like a tailpipe hitting against something ,like a clearence issue on the floor plan rather than a tick to me.

When I said cloth, it's still solid. It's like a matt they rolled in epoxy and hardened then machined. It's just not that hard brittle type plastic. You can feel it when you tap them into the coupler, they have some give and are tighter than factory. He's only sold like 25-30 sets so far. I...