Re: 1970 K20 Restoration
 

http://www.billavista.com/Tech/Artic...ble/index.html this is good info for 14 bolts, got it from (JIM's 70GMC) in the all 4x4 tech section

Re: 1970 K20 Restoration
 

Lots of very good information there. Appreciate it.

Re: 1970 K20 Restoration
 

Picked the frame up from sandblast and powder coat a couple weeks ago. The powder coat shop drilled holes for my ORD steering box brace, powder coated brace, cleaned up a couple welds, filled and re-drilled bumper mount holes, straightened frame in rear, and blasted the exhaust manifolds. Really happy with how it turned out.

http://i146.photobucket.com/albums/r...einz/1326.jpeg

http://i146.photobucket.com/albums/r...34342026_o.jpg

http://i146.photobucket.com/albums/r...52491855_o.jpg

http://i146.photobucket.com/albums/r...54881113_o.jpg

http://i146.photobucket.com/albums/r...24278869_o.jpg

http://i146.photobucket.com/albums/r...85381121_o.jpg

Re: 1970 K20 Restoration
 

Nice work on the frame almost as nice as mine. just kidding. looking good.

Re: 1970 K20 Restoration
 

Nice platform to start building it back up from!

Re: 1970 K20 Restoration
 

Got the engine and transmission crossmembers bolted back on the frame yesterday. Id like to torque them down today. Anyone know the torque specs for frame crossmembers and miscellaneous frame bolts? Also, should I be using threadlocker on these bolts? Thanks

Re: 1970 K20 Restoration
 

Don't know if your using 5/16, 3/8 or 7/16 but you should use Grade 8 bolts nuts and loc washers, note the zinc chromate finish, the bolts will have the 6 lines on the head of the bolt.

https://www.boltdepot.com/fastener-i...head-size.aspx

Re: 1970 K20 Restoration
 

That frame sure is purdy! Nice job.

Chris

Re: 1970 K20 Restoration
 

This is exactly what I picked up at tractor supply. Grade 8 yellow zinc chromate. Thanks for the chart.

Re: 1970 K20 Restoration
 

Do you guys recommend I use threadlocker on the frame bolts? If so, what kind should I look for? Thanks

Re: 1970 K20 Restoration
 

I used lock washers, or nylock nuts

Re: 1970 K20 Restoration
 

yes, use nylock nuts

Re: 1970 K20 Restoration
 

Here's my take on the subject, your buying grade 8 bolts, most Nyloc nuts are grad 5 or grade 2, plus the only part that lock's on the bolt is the nylon, i would try and find steel deformed thread lock nuts if your insistent on a loc nuts.

I would just use the loc washers and permanent loctite

Re: 1970 K20 Restoration
 

If you use loctite, don't use the red permanent,it is PERMANENT! use the blue,it is good and you can get the nuts back off at a later time....

Re: 1970 K20 Restoration
 

Any new progress on your truck lately?

Re: 1970 K20 Restoration
 

Unfortunately I haven't got much done on the truck lately. Kind of at a stand still until I find some axles. I did go pick up some blue loctite, so hopefully I can get the frame bolts torqued down this weekend.

Re: 1970 K20 Restoration
 

Nick, did you check with Tom up in Phoenix? He usually has axles around his place.

Tom, http://67-72chevytrucks.com/vboard/member.php?u=966

I'll be in Sierra vista the first week in May, love to see the project.

Re: 1970 K20 Restoration
 

Yeah I got a hold of Tom, but he didn't have what I was looking for right now.

Re: 1970 K20 Restoration
 

I guess you are still trying to find axles from a 71 or 72 K20? wish I was closer, I could move perches for you on a newer rearend

Re: 1970 K20 Restoration
 

Yeah I'm still trying to find a 71-72 14 bolt rear and dana 44 front with discs. Most of the stuff I've found is 73+. Trying to make it a simple bolt in swap since I don't have any welding equipment or experience. I have a mechanic friend that could probably do it. If I can't find what I'm looking for I may just have to have him relocate spring perches/shock mounts.

Re: 1970 K20 Restoration
 

Ok, so I'm ready to get this project moving again. Got a little sidetracked the last few months. Tom up in Phoenix has a 14 bolt rear with detroit locker and 10 bolt front with discs in 4.10 gears for $700. Came out of a 76. Anyone have any advice on the 10 bolt vs a d44?

Also I'm looking to buy a lift kit and get that installed on the frame. Would like new springs all around, probably 4" lift with 35's. Thought some of you might have advice on what companies to look into. Skyjacker, Tuff Country? Let me know what you would recommend. Not looking to do any hardcore wheeling, just occasional off-roading for hunting, etc. More concerned with ride quality than anything else.

Re: 1970 K20 Restoration
 

You could look into BDS for lift springs or SDtrucksprings.com also Offroad design for springs and shackles

Re: 1970 K20 Restoration
 

The truck I am working on has Rough Country suspension on it. Looks pretty good. You can swing by and check it out if you want. I also have all the parts I used for the disk upgrade.

Smitty

Re: 1970 K20 Restoration
 

Right on, I'd like to check that out sometime. How much did the disc upgrade run you? Dana44 front I'm assuming?

Re: 1970 K20 Restoration
 

I used a lot of rockauto, so it wasnt that bad, i could show you the receipts....It is a Dana.

Truck will be here for another week so you might wanna come over soon, pm me and Ill shoot you the address.

Smitty