Today at Ugly Truck, we're doing some prep work on a used 5.3 LS that will replace the 4.8 LS in our 1970 Chevy C10 shop truck. When we pulled this 5.3L from the 2005 Chevy Suburban, it ran and sounded great, but we want to squeeze as many miles out of it as we can, without spending a fortune. We'll be installing a new timing chain and gears, high volume oil pump and pick-up tube seal, as well as new oil pan gasket, front and rear cover gaskets, and a new rear main seal.

We removed the oil pan, and even though it had some sludge, there was no bearing material or anything that would indicate internal failure or excessive wear. The main cause of failure in these engines (and most other engines) is related to the oiling system and basic maintenance, so we install a new high volume oil pump and pickup tube seal. Since we were in the neighborhood, and since there was some slack in the chain, we replaced the timing chain and gears as well. We're not keen on tearing this engine apart anytime soon, so we install a new rear main seal, as well as new front and rear cover gaskets, and a new oil pan gasket. Jerry also shows how to remove the notorious broken exhaust manifold bolts, and how to install the front and rear engine covers without buying any special tools. We ended up spending around $300 in parts, and if Emily can keep her foot out of the gas, it should pay off!

Check out the engine install here!    • LS SWAPPED 1970 Chevy C10 - 5.3L INST...  

PARTS LIST:
- High Volume Oil Pump - Melling M295HV
- Timing Set - Cloyes C3220
- Rear Main Seal Gasket Set - Fel-Pro BS40640
- Front/Timing Cover Gasket Set - Fel-Pro TCS45993
- Oil Pan Gasket - Fel-Pro OS30693R
- RTV Silicone - Permatex Ultra Grey

Want to see more LS swap content? Check out this playlist!    • 1985 Chevy C10 - LS SWAP - UGLY TRUCK...  

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7915 E. Division St.
Strafford, MO 65757

Chapters:
00:00 Getting Started
01:41 Teardown
03:23 Engine Stand
05:30 Oil Pickup Tube Seal
07:37 Removing the Crankshaft Pulley
11:46 Replacing Timing Chain & Gears
16:16 Installing High Volume Oil Pump
20:32 What is Ripley Eating?
22:18 Cleaning Gasket Surfaces
23:12 Removing Broken Exhaust Manifold Bolts
29:00 Replacing Rear Main Seal
32:36 Installing Flexplate
36:26 Replacing Front Crank Seal
38:36 Aligning Front Timing Cover
40:11 Installing Crankshaft Pulley
43:28 Installing Oil Pan
46:45 Recap

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