Investigating The MISMATCHED Main Bearings In The BROKE DOWN 235 Chevy

The customer brought us their 1956 235 Chevrolet after it broke down within about 10 miles of a complete rebuild..

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[ProSimex]

The lack of music or exaggerated good old boy accents mixed with just straight forward machine work, clear explanations, make this easily one of the best automotive youtube channels. Never change

[edwardmeewis]

It's always such a pleasure to have a look in a real shop. No shouting, no boasting, just quiet confidence, a lot of experience and genuine bemusement. I sincerely hope that your videos attract customers that appreciate this level of detail and quality. - Ed.

[runar]

A friend of mine, who was a pro motorcycle mechanic (working for som of the top racing teams in Europe back in the 90s) was rebuiding a GSXR 1000 one night, I was there watching, so was the owner. This guy never rushes anything, the work is slow but top notch. The owner got stressed and tried to rush my friend to work faster. When he took a pencil and eraced Suzukis nubers on the main bearings, the owner really rolled his eyes; Why not just mount them, right out of the box?
When he unpacked bearing nr 3, he found that Suzuki had packed two different size bearing halves in the same box.. Saved the owner from a very expensive experience..
I wil never forget that..

[dougbourdo]

As a teen I worked in a tractor dealership. Every time we had an engine that needed machine work I spent the better part of my days at the machine shop watching the work being done. Crank Grinding, cylinder boring, head/valve work done, etc. The guys in the shop appreciated my interest and taught me a lot over those years. This reminds me of those years very much. Thank you for all of your professionalism & dedication to the art.

[JohnDoan-iusm]

You guys are definitely the definition of if something is worth doing it’s worth doing it right. I wish more people were like that.

[jeffhutchins]

As a full-time Gunsmith this is what I do when installing scope rings.
Many scope rings (especially older ones) are made just like rods.

BTW, my Dad has been an automotive machinist for 50+ now semi-retiring.
My oldest son will probably take over in the next few years.

I worked with my Dad for about 5 guys work together MUUUUCH better than we did. KUDOS!!!!

[tadsworkshop]

I’ve worked full time as a mechanic for close to 20 years and I find your channel to be very addictive. Love the information, your shops dynamic, and dedication to quality. Carry on!

[coolhand]

I love this channel, it's how reality TV on motor cars and cycles should be. No crappy egos and bs trying to make it interesting. Keep up the good work guys. Memories of my youth. Best wishes from Australia. 🇦🇺

[jaydekeyser]

Machining these old engines is becoming an art form. Passion with patience towards perfection. Would like to see this engine running in the truck.

[brentsimpson]

I’m just a 53 year old IT guy that wants to know how things work. Love the father / son duo. Long time subscriber that loves this channel.

[ktriebol]

The cleaning guy does a great job of explaining things as he goes along.

[truracer]

When you were talking about cylinder clearance it brought back memories of my old 74 Chevy truck, it had a 250 straight six and 3 on the tree in 1998 I paid $400 for it. During the winter of 99 on a Saturday I had to work the morning was freezing cold but when I got off at 1 o'clock it was 60 degrees, it never occurred to me that I had a piece of cardboard in front of the radiator until the temp light came on, seconds later the engine developed a misfire. I stopped and removed the cardboard and drove home. Number 6 cylinder had no compression. I pulled the head and found the number 6 piston cracked around the ring land, it got tight and popped it. Spent the rest of the night getting the piston out. On Sunday I ordered a piston and rings and gaskets from Napa and left my piston and rod with them so they could press the new piston on the rod, the machine shop guy wasn't there on Sundays and I didn't have any spare cash to offer as an incentive. Monday I had to get a ride to and from work. When I got home I measured the bore, without honing for a crosshatch I had .007" clearance, after honing I had just over .008", the taper was about the same. I had Napa mic the piston because all I had was an inside mic set that I inherited from my dad and a 1"-2" outside micrometer so I knew my inside mic was accurate at 1" and 2", I figured it would be good at whatever the bore was. I reassembled her and she purred like a kitten again. No smoke either. She served me well for a few more years but sadly the power train was still in great shape when the body rot ended her life. And it still used a points ignition.
The job wasn't daunting at all, no different than doing an in-frame on a diesel. I think the whole job cost me $60 in parts and I already had the tools.
I'm still amazed at the results I got with the cylinder wear it had, I was sure she was going to be a smoker.

[robertwest]

And Nick, congratulations on the upcoming addition to your family!

[onebadsavage]

I live nearly 2000 km (1250 mi.) away in Northern Alberta Canada. I watch all your videos. I wish it was plausible to ship you the motor out of my 1974 674 International for rebuild. I thought I knew a fair bit about rebuilding motors but after watching your videos, I realized how little I really do know. The attention to detail, the decades of experience, the knowledge, and the pride in your work is very hard to come by now a days. Thanks for another awesome video.

[bruceyoung]

CONGRATULATIONS. Having your first baby is going to be a wonderful time. I have 1 daughter and 3 granddaughters and I wouldn’t change anything. So much fun.

[drewpierce]

As an owner of several Chevy inline 6s over time, I found this series very interesting. Thanks!

[robertwest]

I feel blessed when we get TWO videos in ONE week!! Thanks, guys, for showing the world the correct way to do automotive machine work.

[jeffryblackmon]

Chevrolet and GMC may have made one million of these engines. I had no idea of the complex measurements and procedures required to bring one back into proper operation. This is a fine video. Thanks, Gentlemen!

[markmark]

For an old gear head who was in another field of work, it's very interesting to see all your various machines in set up and operation, greatly enjoy your channel and respect your work.

[KarlGillcrist]

This engine brings back memories for me I was assembling a 454 Chevy engine for my uncles motorhome and when I checked the bearing clearances all were good except one ...as it turned out there was standard bearings in an under size box ...the parts guy at the engine shop that did the machine work could not believe that I found this problem because he said no one checks all the bearings...I said I do ..I was taught to be thorough ...thanks for sharing your good work with us