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D.R.E. Sachs clutch installed!

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So far so good! I am REALLY liking this clutch. I have put about 150 miles on it since I put it in and have already made the small adjustments in driving style necessary to make driving around town smooth as stock. I have to start in first to avoid a small shudder. I have 3. 55's and 33 1/2" tires. I suspect if you had 4. 10's you could start in second fine. It also helps to give very light throttle as you let the clutch out when shifting from gear to gear. The pedal pressure is only slightly higher than stock and I actually prefer the firmer feel. The whole driveline feels alot tighter and more reponsive.

Here are a couple of tips on the installation.
1) To center the pressure plate, torque four of the cap screws to 15 or 20 INCH- lbs. This ensures that the backside of the pressure plate is parallel with the flywheel. Thus your readings along the outer edge will remain consistent after you draw it tight. Otherwise, the top has a tendency to tip out, and then your readings change from what you thought was perfectly centered to off center as you tighten things up. Use a large screwdriver or prybar to lever off the inside off the block plate against the outside of the pressure plate cover with the cap screws snugged as above - I found I had tremendous control using this method, while checking measurements with a dial indicator mounted on a stud threaded into one of the bellhousing bolt holes. DavidVT was rotating the engine with a ratchet on one of the crank dampener bolts. Adjustments as small as . 001 were easy.

Make sure you have some means to spread the frame rails to get the crossmember back in. We got it out okay, but getting it back was a nogo. A hi-lift jack works pretty good with a block of wood against one rail. And a little grease on the rail to help it go in.

Make sure you put the release fork back in correctly. It is possible to put in backwards. It is going the right way when the stamped part number is toward the bottom of the transmission and is right side up (ie you can read it). Also there is a stamped "I" on one end - that end goes over the pivot ball.

Those are my observations so far, I will continue to update the performance of the clutch as my engine BOMBing progresses.



[This message has been edited by Arcticat (edited 02-25-2001). ]
 
That was a good project, can't wait to do mine!!

That transmission is big. Thanks to those who suggested strapping the beast to the transmission jack!!
 
The first time we spread the frame.
I have since heard, slide the crossmember to the rear, it widens out back there.

Gene

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1997 Cummins Dodge 4x4 Bombed & Amsoiled. Amsoil Premiere Direct Jobber, Member of: NRA Business Alliance, GLTDR, WANTED: Wrecked Dodges.
www.awdist.com
 
Scott, it took about ten hours, alot of that was due to the fact that everything was rusted together due to out salted roads. It took me a half hour just to get the driveshaft u-joint straps off at the axle companion flanges. Also we spent alot longer on the clutch and pressure plate than I had anticipated, because of having to experiment with different ways of positioning and taking the critical readings along the edge. Now that we've found a good method of measuring runout and making counter adjustments in positioning, plus hopefully next time I won't blow up the slave cylinder and spend half an hour rebuilding it, or going back and forth to my toolbox since now I know all the socket sizees needed, I think we shave the time down to 5-6 hours on david's truck. Oh and I'll have the stupid pilot tool next time instead of eying it. Eying it works fine, but the disk shifts around when you ere moving the pressure plate around to center it, and vice versa.

Gene, we did take it out the back. It does widen up but I still don't see it being possible to get it back in without spreading the rails or at least wailing on it with a sledge, which is pretty inconvenient if you don't have a lift. Hope you are as happy with your Sachs as I am with mine. I haven't experienced any downsides yet. Maybe I'm alone in feeling this way, but I prefer the driving experience with the tighter feel the driveline has now as opposed to stock. I am 100% happy so far.
 
Remove the transmission mount and the bracket that is bolted to the bottom of the transmission. Then you can bump the xmember upwards to free it, then slide it to the rear.
 
I think Dodge must have changed something on the trucks from yours, joe. My truck has the fuel lines running right along the frame rail and moving the Xmember up at all would have smashed them up. I suppose I could have removed the brackets holding the lines, but spreading the rails was just as easy.
 
I think there are small changes in the frames on our trucks.

I did notice that Articat's frame is slightly different than mine. My 99 has a welded 'triangle' that runs inside along the lower bend of the frame. I ran into it when mounting the ladder bars last year.

Clearly Articats's frame had fuel lines that blocked the crossmember from going up too high and going back very far. Sure we could have removed them, but there was enough 'wreckage' #ad
around the truck already. .
 
we had to spread the frame on my 2000 to get the crossmeber back in , we muscled it out , but there was NO WAY it was going back in .

using a small bottle jack and a piece of black steel pipe would work well , i'm going to make a spreader that uses a couple pieces of pipe , a piece of threaded rod and a couple of nuts .
 
Another way to spread the frame is with a Hi Lift jack. Put a bolt or something in the foot so it won't slip.

Darn, my engine is obsolete because it doesn't have enough valves #ad


I'm obsolete because I'm too old #ad


On another thread I read that my turbo is obsolete with that 18 cm2 housing #ad


Now my poor old sickly Ram's FRAME is obsolete too. #ad


#ad
#ad
 
Mine went right in with a little persuation from the 3 lb dead blow and a regular 3 lb hammer. I'm not too keen on intentionally tweaking a frame, I've already got a Blazer with a limp noodle frame, would hate to do it to the Dodge. I'm happy with the clutch, I also used a dial indicator mounted to a bell housing bolt. I don't have a barring tool, and did most of the install by myself (except for actually sticking the trans back in), so I resorted to turning the motor by grabbing the clutch.


Pete

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'97 2500 CC 4X4 5spd Sport
'83 K5 Blazer 350 TBI (ex 6. 2), 39. 5 TSLs, 3" lift, Dana 60/GM 14 blt, Detroits
 
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