Are all HM-282s created equal??

[skalor]

Are all HM-282s basically the same??? I'm asking because I'm thinking of swaping in a 5 speed into one of my TGPs, but I'm worried about the clutch slipping. I looked on clutchmasters and they only have one clutch available for the '88 GP that came with the 5 speed, which was stage 0(stock). They had 4 stages for a 2.8/3.1 cavalier, which also had the HM-282 right?? Are the HM-282s used in GP's and the ones used in cavalier's different is some way, like a different slave cyliner or throwout bearing?? Or would I have to use the whole J-body shebang if I want to use that their clutch??

[brian89gp]

You can have them make a custom clutch for you.

 

If not, take a look here:

http://www.westcoastfiero.com/clutch/clutch.html

[skalor]

I've heard some bad things about WCF from fiero.nl and I'm never going to buy another clutch from centerforce and that's who makes their clutches I believe :?

 

I found that SPEC(Star Performance Engineered Clutches) has listings for an '88 5 speed GP. They have a stage 3 clutch that fiero guys have used on built small blocks, so I think it will hold under the turbo 3.1. It has a rating on the website of a torque capacity of 450 ft lbs. Plus, it's only $299 which I think is a very good price. I might go with the Stage 2 but it only has a torque capacity of 310 ft lbs, and I don't know what the future may hold for this TGP so I'm probably going to get the stage 3. I have 2 friends that run SPEC clutches...one is a mustang and another in a camaro and they both love them. The mustang guy has a stage 3 and he says it's a little harder to push than stock, but still very streatable. I'm psyched as I think this 5 speed swap is going to happen as this clutch will definitely hold

 

http://www.speclutches.com

[1trucavalier]

use SPEC! I had the stage 2 and it was great. Go to the j-body.org forum and look up the name KARO! He can get you a good disount. They give you the a better hydraulic release (if you have one), clutch and nice bright yellow pressure plate.

[soccrplayrgtp]

no they are not all created equal There are three kinds. A cable, hydrolic and a Quad 4.

[Robby1870]

which one is the best and which one would have come on a 90 GP with 3.1?

 

Robby

[soccrplayrgtp]

well I'm not sure how or what determines what car got the cable and why not's yet....so anyone else know?

[Guest TurboSedan]

i don't know what Getrag 282 would have a cable clutch, but maybe the Fiero since the engine was in back? i have a '90 GP Getrag 282 in my CS, and it is hydraulic. btw, i had a Getrag 282 in my old car - an '88 Corsica with a 2.8. that tranny was BAD (synchros i think), it would grind into gears and break shifter cables. i'm not 100% sure what the problem was with that tranny but that was back in high school when i didn't know shit about cars. the Getrag i have now has over 200,000 miles and is working great tho

joshua

[1trucavalier]

my mechanic that installed my SPEC told me that he gets cavaliers ALLLLLL the time with the 3.1L motors and smoked clutches. The 3.1L makes to much torque for the clutch to handle and if not replaced it starts to damage the transmission. I smoked 2 trannies and 3 clutches in my cavalier. They just couldn't take my abuse ! For a 90 3.1L I suggest the stage 2. The clutch when you first get it will feel like its instant engagement or needs to be bled. This is not the case, its just need to be broken in and it will go back to normal. The clutches also even with stage 3/4 do not chatter. If you are going to turbo or nos then stage 3. Stage 2 and three have the same holding power but 3 last a little longer. as you can see i have done a lot of research on SPEC and they are the best for a GM IMO. LEAVE CENTERFORCE ALONE!!!

[soccrplayrgtp]

any websitage action?

[1trucavalier]

http://www.gmhightechperformance.com/tech/0105gmhtp_shifting/

 

or http://www.starclutch.net or fasttoys.net can get them

[1trucavalier]

PS its almost $100 cheaper if you order straight from starclutch! Mine was $319 shipped.

[skalor]

Yeah, I know there are a couple different methods they used for the throw-out bearing. I was asking about internal differences. I've been doing a lot of searching and I haven't found any yet.

 

1trucavalier, I don't think your cavy had a 282...I think some cavalier's has an isuzu tranny, but I could be wrong. Upon looking up your application on the spec webite they list a different Part # than both the w-body 282 and the fiero 282 use, which is SC88X(where X is the stage #).

[1trucavalier]

yes are you are correct on my 2.2L cav it did have the isuzu but with the stage 2 SPEC clutch. Some 3.1L cav's did come with 282 tranny's, along with beretta etc... I am almost 100% sure the physical tranny is the same. The hydraulic release though is different. I have the pictured layout of the cavalier/beretta/gp 5-speed. Give me a few minutes to scan all three and post them so you can see the differences in the hydraulic system.

[1trucavalier]

Here is the deal!

 

88/89 2.8L cavalier/beretta/GP has the same a 9 1/8 clutch

90-92 cav/beretta have the same 9 1/8 clutch

check this bs 90 GP 3.1L and 3.4L have a listing as having larger 9 3/8 clutches. I am sure they are absolutely wrong because their are 4 guys now using TGP motors with 3.1L cavalier 5-speed tranny's. I am going to do a little more research and physically go to the junkyard and check out both tranny's hydraulic systems on the cav and GP cuz I don't believe some of the info I seen in the manuals.