Sm420 removal help

[42_NATO]

Hey guys im working on pulling the tranny from my 65 c20 to replace the clutch. And so far i have pulled the drive shaft and working on the gear box. But im having trouble, on the left side of the tranny i noticed it only had one of 2 bolt. And on the right ride ive located the top bolt but cant seem to find another. Isnt there a total of 4 bolts that need to be removed. If any one can help with aome tips on how to remove the gear box from the bell housing that would be great. Ive looked all over google and cant find anything to help me with this specific trannt2

[60ShortStepGMC]

The other two are probably on the inside of the bell housing. On mine, the top two bolts screwed in from the cab side, the bottom two bolts screwed in from the engine side.

[42_NATO]

Yes in deed i removed the dust cover to find the 2 missing bolts.

[42_NATO]

Herr are some pics

[jtrichard]

Just for future reference you don't have to pull the bell-housing to change the clutch OR in your case that pile of pieces.....

[Captainfab]

Did you pull the trans without removing the shifter?

[42_NATO]

Yes i used a jack rotated it and managed to slide it out. Took a little bit of man handling trying not to get it caught in the e brake hardware and bell housing. After that the bell housing and clutch came out easy

[42_NATO]

Originally Posted by jtrichard

Just for future reference you don't have to pull the bell-housing to change the clutch OR in your case that pile of pieces.....

How is that possible to remove the clutch with out removing the bell housing.
It was only a few screws and the starter and it gave me a ton of space to work with.


Another question should i leave tge flywheel in or remove and get re surfaced. Anything else i should do now that the tranny is out.

[42_NATO]

Here are a few more pics.

When buying a clutch is it diffrent from stock since my truck has a 350 in it. Or will any kit fit . also were is a good place to buy the clutch set. I saw one at oreillys for my year truck for 125. What do u guya think

[61K10]

have the flywheel surfaced or buy a new one. depends on how much they charge to surface your old f/w. also make sure you put the clutch disc in the correct way (should be marked f/w side. remove the shifter. push down on the collar and rotate it counter clockwise, collar will pop up then pull stick up and out.

[42_NATO]

Originally Posted by 61K10

have the flywheel surfaced or buy a new one. depends on how much they charge to surface your old f/w. also make sure you put the clutch disc in the correct way (should be marked f/w side. remove the shifter. push down on the collar and rotate it counter clockwise, collar will pop up then pull stick up and out.

If im not mistaken its only 15 bux to get it resurfaced and my local brake and clutch shop. The i knew about how to remove the shifter but it wasnt really in my way . so it was one less thing to remove or keep track of. Im just now shopping around for a clutch not sure if i should just pick uo the orielly one or look for a higher end clutch online

[jtrichard]

Originally Posted by 42_NATO

How is that possible to remove the clutch with out removing the bell housing.
It was only a few screws and the starter and it gave me a ton of space to work with.

Take the ball stud out and the fork remove the pressure plate bolts push the disc up and drop the pressure plate out and then the disc

[jtrichard]

Originally Posted by 42_NATO

Another question should i leave tge flywheel in or remove and get re surfaced. Anything else i should do now that the tranny is out.

Any cracks/hot spots or uneven areas then yes resurface .... also check your pilot bushing

[42_NATO]

Originally Posted by jtrichard

Any cracks/hot spots or uneven areas then yes resurface .... also check your pilot bushing

Thanks... I was looking at the clutch kit from oreillys and it comes with a new throw out bearing and pilot bushing so those im just going to replace..

[61K10]

I bought a $100 zoom clutch kit from summit. It has a little chatter in it. Is it in the clutch? Probably. you get what you pay for. If i was buying one again i would buy a center-force for a couple hundred more. Depends on how much $$$ you have to spend on one.

[42_NATO]

Originally Posted by 61K10

I bought a $100 zoom clutch kit from summit. It has a little chatter in it. Is it in the clutch? Probably. you get what you pay for. If i was buying one again i would buy a center-force for a couple hundred more. Depends on how much $$$ you have to spend on one.

With all the work it takes pulling the tranny i dont mind paying a bit extra for the quality. Ill look at those centrr force one u mentioned


So i found this one kit on summit and looks likt it comes with all i need. Hardware bushing and bearing. Now i read the discription and it says its for high horse power. Is this okay for what i need or is there a lower end clutch i should look at. Dont mind spending more money if its going to last longer but dont want to over spend on somthing that im not using to or benifiting from.

http://m.summitracing.com/parts/ctf-kdf355216

[61K10]

You might ask in the engine and drivetrain forum for a good clutch package for your tk. I'm not and expert by any means, and the C/force stuff is big money. goggle is your friend also. I'm sure my zoom clutch was made over seas.