View Single Post
  #221  
Old December 7th, 2025, 05:26 PM
Prowbar Prowbar is offline
-= Dues Paid =-
 
Join Date: Dec 2020
Location: Friesland, the Netherlands
Truck: 1965 GMC 1500, 478 V6, SM420
Posts: 513
Thanks: 37
Thanked 72 Times in 39 Posts
Rep Power: 225
Prowbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the rough
Default Re: '65 GMC 1500 project. From the Netherlands

Let me start off with some fantastic news! I managed to score new oil control rings via the company that supplied the piston rings as well!
They only had 4 5.125" x 1/4" rings with expanders left, so they threw in 2 130.5mm (5.138") rings. I installed them and gapped them, needed to open the gaps up somewhat due to the larger bore. Looks like they conformed to the bore pretty good so I'm happy. These bigger rings are plain cast iron, they should break in quickly. They don't have an expander spring but have good wall tension.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?



I had already prepped the block for assembly so I was ready to go.
Started with the camshaft that was reground by Mike Jones.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?





To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?





To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?



Installed the NOS main bearings and NOS rubber rear main seal. A small dab of RTV on the seal halves.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?



Lifted the massive crankshaft in, a 2 man job. Installed the main caps and paid attention to seal up the rear bearing cap real good.
A dab of RTV in each corner, RTV where the side seals go, anaerobic sealer where the cap meets the block, and assembly lube on crankshaft seal and bearing.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?





To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?





To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?



Crank turns over real smooth, couldn't be happier.

Installed the idler gear and timing cover.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?



Then onto pistons. All of them installed real well. Coated bores and rings with engine oil. Staggered the gaps.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?

Attached Images
File Type: jpg Oil control rings.jpg (281.3 KB, Multiple views, 7 clicks)
File Type: jpg Ready for assembly.jpg (266.2 KB, Multiple views, 7 clicks)
File Type: jpg Mike Jones Camshaft.jpg (379.0 KB, Multiple views, 7 clicks)
File Type: jpg Crankshaft.jpg (276.9 KB, Multiple views, 7 clicks)
File Type: jpg Crankshaft installed.jpg (136.2 KB, Multiple views, 7 clicks)
File Type: jpg Main bearings and rear main seal installed.jpg (104.8 KB, Multiple views, 7 clicks)
File Type: jpg Rear bearing with sealant.jpg (125.8 KB, Multiple views, 7 clicks)
File Type: jpg Rear bearing cap.jpg (137.3 KB, Multiple views, 7 clicks)
File Type: jpg Ready to install timing cover.jpg (132.8 KB, Multiple views, 7 clicks)
File Type: jpg Piston prep.jpg (284.3 KB, Multiple views, 7 clicks)

Last edited by Prowbar; December 7th, 2025 at 06:03 PM.
Reply With Quote
The Following 2 Users Say Thank You to Prowbar For This Useful Post:
Funky61 (December 7th, 2025), James (December 7th, 2025)