Replacing EVERYTHING In A Set Of 396 Big Block Chevy Heads

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  • Опубликовано: 23 авг 2024
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    As you all might remember, a while back we had an extremely rusty 396 Big Block Chevrolet engine come in, and we installed repair sleeves in ALL 8 cylinders! Well, the heads for that engine were also rusting away, but we're going to change that!
    Instagram: @jamsionline
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    #automotivemachining #jimsautomotivemachineshop #bigblockchevy

Комментарии • 235

  • @JAMSIONLINE
    @JAMSIONLINE  Год назад +13

    Get Surfshark VPN at surfshark.deals/jimsautomotive - Enter promo code JIMSAUTOMOTIVE for 83% off and three extra months for free!

  • @blakedismuke3656
    @blakedismuke3656 Год назад +86

    I'm just so ready for your dads tractor rebuild video. I love how you guys are showing it and are humble about what has happened. Most people would just blame the kit but he is going over everything he checked and even saying what he could have missed, you can't walk though the ranch and not expect to step in cow 💩 really once in a while. Also explaining what has happened.

    • @JAMSIONLINE
      @JAMSIONLINE  Год назад +21

      Another update coming on Sunday, and then hopefully it'll be running by the next!

    • @blakedismuke3656
      @blakedismuke3656 Год назад +3

      @@JAMSIONLINE that's great bub. I can't wait.

    • @andersonsfarm4456
      @andersonsfarm4456 Год назад +2

      ​@@JAMSIONLINE Cant wait either best content I've seen

  • @MattBorgardt
    @MattBorgardt Год назад +24

    Believe it or not I find your narration of your work very pleasing, your dad also is wonderful to listen to as an ex engineer it is just a nerd thing to hear details...
    Please keep up the great work and I hope your channel inspires others because we will have gas and diesel engines for a very long time.

  • @Yawles
    @Yawles Год назад +49

    It's great to see during your ad for the sponsor you displayed Blinker Fluid. One of the most over-looked essentials for any road-worthy vehicle. As a truck driver, I am amazed at how many vehicles on the road are dangerously low on blinker fluid, or they are using the cheap stuff from a discount store. Always buy a good quality blinker fluid from your local auto parts store!

    • @ricksmith4736
      @ricksmith4736 Год назад +10

      Muffler bearings are an overlooked item too.... I recommend all women on here go to your parts store and ask about them...

    • @JohnH20111
      @JohnH20111 Год назад +8

      the Heavy Duty ID10T formula for Blinker Fluid ?

    • @kenore4003
      @kenore4003 Год назад +2

      ​@@JohnH20111 Purchase from your local dealer. Available in quarts and gallons. Quantity discounts available.

    • @iaial0
      @iaial0 Год назад +3

      ​@@kenore4003they really do, I once had to rebuy all my stock because I accidentally spilled it into my elbow grease drum

    • @williamharrison54
      @williamharrison54 Год назад +5

      No guys, regularly replacing your piston return springs is way more important than that stuff.

  • @STP6970
    @STP6970 Год назад +4

    Its so sad how many machine shops are closing, I bought a complete shop last year it was the ninth shop to go out of business in my area,l just couldn’t let it get pieced out. I worked in a shop several years ago but had moved into building street rods and sixties Chevys, so I guess I’m back to where I started. Thanks for your videos they are a great refresher so I don’t forget the little things.

  • @matthewb8229
    @matthewb8229 Год назад +4

    If a person has never rebuilt an engine, the cost of machine work can cause a little sticker shock. Channels like this one perfectly illustrate the amount of work involved in getting an engine back to operation.

  • @matthewharlowehrscyclespor668
    @matthewharlowehrscyclespor668 Год назад +7

    A high standard of workmanship. Thanks again for another great tutorial. Be good. Stay safe. Wishing you a Deluxe week!

  • @craigm.9070
    @craigm.9070 Год назад +5

    Good 'ol closed chamber BBC heads, you could make some serious compression back when great pump gas was available. Time and technology have made the open chamber and corresponding piston design the way to go. Thanks for your time guys!

  • @genefogarty5395
    @genefogarty5395 Год назад +2

    Had a great machinist that I grew up around and taught me a lot, you and your dad have that same pride and attention to detail that my old friend had. He passed away and I moved, I've yet to find another machine shop near where I am that comes close to having his level of expertise. Kind of sucks having to cross state lines to get certain things done but I'd rather it done right than trade convenience for regret. You and your dad are part of a dying breed, true masters of a trade.

  • @shadvan9494
    @shadvan9494 Год назад +2

    I am a huge fan of this 396 rebuild. the baby big block always one of my favorite engines. nothing beats the sound of a 396 with a mechanical flat tappet cam. growing up in the mid 80, my uncle had an early 1970 Chevelle SS 396 L78 motor. that thing was amazing and incredibly fast. I am currently building a 1971 Camaro SS 396, but swapping i a hydraulic Roller with specs similar to the old L78 cam, but now a hydraulic roller simply because i want to be able to you off the shelf motor oil and not worry about the cam going flat, and I hate adjusting lash all the time.

  • @scottsthaname1
    @scottsthaname1 Год назад +10

    Idk why but I love the sound of properly sealed valves making that "thunk" when they slip into place...👍

    • @MrRustyjackson
      @MrRustyjackson Год назад +1

      They "thunk" on the intake side but "think" on the exhaust! 😉

  • @MrRustyjackson
    @MrRustyjackson Год назад +2

    Love watching your channel. Brings back fond memories of my days working in a machine shop. Kwik-Way guide and seat machine was the hot lick in those days. Long before Serdi was on the scene. Kwik-Way FN boring bars, Sunnen was the king for rods and cylinder honing (cylinders by hand, giant 3/4" drill suspended on a spring!), Storm Vulcan Block Master, Van Norman, Berco, Borg Warner (balancer) were the tools of our day.

  • @FreakOlds
    @FreakOlds Год назад +6

    I enjoy your work very much!
    Last time my big block Chevy was in the machine shop, the gentleman who owns it let me assist with some of my assembly which was fantastic as nothing was more satisfying than having hands on experience.
    Keep the great content coming. Everything you do is impressive 😃👍

  • @Duschbag
    @Duschbag Год назад +1

    That Slo-Mo of Cast Iron Chips coming off that Cutter is very satisfying 2 me. 😯👍🍻

  • @rodncin
    @rodncin Год назад +4

    Greetings from Greeley CO. Always good to see a local business do well and be youtube posters!

  • @davidbramel345
    @davidbramel345 Год назад +5

    Love your channel!! So good to see people do excellent work in a world of throw away/slap a reman part in it!!!

  • @xr7coug
    @xr7coug Год назад +7

    Nice work as usual! You are correct, time was, there were competent machine shops within 25 miles of most areas. You are way beyond competent! What quality!!

    • @richardprice5978
      @richardprice5978 Год назад

      i think 🤔part of the problem for it becoming less is car's are disable/cheap to buy ( not explanation rather well sorry im trying ) but typical after about 5yo gets to be more expensive to owning vs just getting a new lease ( and as much as i like older car's some aren't worth it and or the metal has fatigued-out ect ) and the average person/30yo nowadays has more accesse to loaning/credit card's ect and spare income is lower and or most don't have 1k usd ( emergency's or disable/fun-planning-$$ ) to spending or the time needed bigger auto-repairs, heck i met people that moved out/sold their ( generally a newer home aka not 60+YO ) house just because of the AC broke/leaking ( aka sub 500usd repair or so ) , me im like okay big deal at least my "house" ( don't own anything property-wise aka forced sofar in to rental's and lower income's/slum-lord's one's at that ) is pay'd-off/no need to move and il get around to fixing it someday...
      and for me/88-90's-kid personally id rather have my engine 4.3X4.5"in D8-head's rebirthed but i don't have 10-30k usd that it needs to be 👌but so far iv been without my car/1969 charger for over a year now ( insurance was supposed to cover at least for the thefts/vandalism ect but so far im stuck paying for legalised fraudsters/insurance as they haven't paid anything yet 😡, i just wanted my car/dreams back not the debts or $$ or headaches from the joyriders that started the mess ) but even if $$ wasn't a problem it would have been at least 90+days as the shop has to order in and waiting and then i have to waiting for them ( and transfering thing's like heads and block aka heavy stuff that can't be mailed so id have to do it my self ect ) ect before i can R&R the engine-bay ect

  • @mr.mercury4247
    @mr.mercury4247 Год назад +1

    To be fair, 25% of viewers being subscribed is very high compared to many other content creators where it is only 10-20%. You guys have a lot of people that really enjoy the content.

  • @redsnow579
    @redsnow579 Год назад +1

    Your videos and a fresh cup of coffee are my favorite mornings

  • @Mr.Mopar.23-7
    @Mr.Mopar.23-7 Год назад +2

    Lots of Stor-loc cabinets around your shop.......Nice. I use them in my home shop. Made in the USA. I like that.

  • @davidlibby5430
    @davidlibby5430 Год назад +1

    Gosh, that cleaning guy could stop by and do my garage anytime after midnight!

  • @logancarter2134
    @logancarter2134 Год назад +5

    Another great episode! Keep up the good work and sharing it with us.

  • @wgm-en2gx
    @wgm-en2gx Год назад +9

    You and your dad are that certain type of person (like Adam Booth (abom79)) where things need to be to your standard. It's great to see skilled people taking pride in their work.
    Engine work is so interesting because there is so much detail and knowledge required.
    BTW do you guys do porting and flow testing?

    • @JAMSIONLINE
      @JAMSIONLINE  Год назад +2

      Don't currently do porting and flow testing, but would like to eventually!

  • @needleonthevinyl
    @needleonthevinyl Год назад +1

    Super job with the sponsor segment. The split screen is a nice way to do it.

  • @lqueryvg666
    @lqueryvg666 Год назад +1

    Cleaning guy's job is NEVER done!!! Loved the video.....

  • @magnusb7206
    @magnusb7206 Год назад +1

    You do a great job all the time and I’m impressed of you always trying to do the best job you can for the customer.
    One thing I react to is that you often don’t protect your ears.
    Be careful because hearing can’t be repaired when you get older and the damage starts to show.

  • @kevlinville
    @kevlinville Год назад +1

    Late night fun with Dad😂 Thanks gents!

  • @ricksmith4736
    @ricksmith4736 Год назад +2

    These oval port BBC heads are great heads for the street.... Lots of torque and power......

  • @Waikatotek
    @Waikatotek Год назад +1

    This just popped up for me. Really cool seeing the work go in. We would just send heads away and would get them back completed with no idea the process. 👍

  • @4b131
    @4b131 Год назад +1

    12:20am, wow you're working the poor cleaning guy ragged! Heads look great👍

  • @BryanTorok
    @BryanTorok Год назад +1

    It's amazing watching you doing this with the specialized knowledge, machinery, and fixtures you have. I shudder to think what this cost you and what you have to charge the customer. It also makes me wonder if one wouldn't be better off buying a modern crate engine to retro fit in the car. Of course, it would no longer have the collector value.

  • @evanjarvi406
    @evanjarvi406 Год назад +2

    No rest for the wicked at jamsi

  • @arthurdombroskie3083
    @arthurdombroskie3083 Год назад +1

    Highly professional work.

  • @phased-out-24-73
    @phased-out-24-73 Год назад +2

    Milling Heads in the Wee Hours of the night, is a sure sign the Clean Up guy needs to THROTTLE BACK on those Power Drinks...

  • @JimmyMakingitwork
    @JimmyMakingitwork Год назад

    Ahhh, The Big Block Chevy, what a great engine. I remember when I wanted a HP 454 street engine, my racing buddy insisted we do head porting and flow matching...on cast iron heads. That's 80 hours worth of grinding and testing I'll never get back. But it did add some power, I think, lol. We made 605 hp NA on the Dyno.
    If this one runs as good they'll need good tires. :)

  • @Midnight_oil125
    @Midnight_oil125 Год назад +1

    Your old man is a legend

  • @nathanahrens4280
    @nathanahrens4280 Год назад +2

    Always love the slow mo valve bounce.

  • @bobz1736
    @bobz1736 Год назад

    It's lovely to see the great relationship you have with your father... very envious 👍

  • @maxpaul11
    @maxpaul11 Год назад

    The quality of your work is perfect! Those cylinder heads are going to be perfect! Nice job sir! Great video and thanks for sharing!

  • @brentswallers7905
    @brentswallers7905 Год назад

    Great way to do the add brother
    I actually wAtched and didn’t skip.

  • @aeroflopper
    @aeroflopper Год назад +1

    you right about the diying industry, we have no machine shops left in our town,I've seen 3 close over the years, i cant get a head skimmed anymore. and tell your dad not so much nitrous in the tractor next time.

  • @timothyesmond7358
    @timothyesmond7358 Год назад

    I really like your guys's cleaning process set up

  • @freedomforourfallen3755
    @freedomforourfallen3755 Год назад

    Love y’all I’m a motor head. Love learning about how to fix anything

  • @jimzivny1554
    @jimzivny1554 Год назад

    Good video. That Serdi machine has quite a beefy spindle, I'm sure that prevents deflection and allows you to place and ream guides better than the factory

  • @ChannelJanis
    @ChannelJanis Год назад +3

    I would love to be able to do this stuff. Skills involved are so interesting to me. But do you ever see the final assembly or maybe running engine? Or is it pure measurements telling that this head or block is ready for assembly?

  • @kennethstaszak9990
    @kennethstaszak9990 Год назад +1

    Your shop does good work. Fortunately I have a shop in my area that does the same quality of work.

  • @anthonysantiago1999
    @anthonysantiago1999 Год назад +1

    Really enjoys your videos fellas.

  • @julioburgos4979
    @julioburgos4979 Год назад +1

    The cleaning guy. 🤣🤣🤣🤣

  • @russellmooneyham3334
    @russellmooneyham3334 Год назад +1

    I have that exact set of heads ready to go. Nice work gentlemen!!!

  • @albertcoburn5674
    @albertcoburn5674 Год назад

    You are so lucky, I always had to use those quickway seat cutters each angle by hand.

  • @68mustangmustang77
    @68mustangmustang77 Год назад

    Keep old school alive buddy love it🇦🇺🍻

  • @ronbunker5778
    @ronbunker5778 Год назад

    I love watching these machining videos!

  • @alanbare8319
    @alanbare8319 Год назад +1

    The cleaning guy has taught you well!

  • @klmorris1576
    @klmorris1576 Год назад

    you two are incredible. good work

  • @rjecsn
    @rjecsn 6 месяцев назад

    Thank you for another informative video. Very well done.

  • @happydays8171
    @happydays8171 Год назад

    A machine shop in my town hired a guy I graduated with. When we worked on our engines, he'd cut every corner he could. Can't imagine him going to the amount of detail your shop does.

  • @oldschoolmotorsickle
    @oldschoolmotorsickle Год назад

    Beautiful machine work.

  • @vtwinaddicted5852
    @vtwinaddicted5852 Год назад +1

    The cleaning guy...LMAO

  • @DrFiero
    @DrFiero Год назад +1

    When you get to my age... "where do you want to be in 5 years?" Still retired. "where do you want to be in 10 year?" Not dead. :D

  • @countrygeekpc
    @countrygeekpc Год назад

    Another great video! Thank you so much!

  • @psp1921tsmg
    @psp1921tsmg Год назад

    You’re a friggin artist.

  • @someyoungguy1923
    @someyoungguy1923 Год назад

    You guys are great. Shop is clean. I wish you were local.

  • @AraCarrano
    @AraCarrano Год назад +2

    Love the content, the distracting 30 minute announcements should be saved for live streams.

  • @gordonborsboom7460
    @gordonborsboom7460 Год назад +1

    I noticed you used lube on the exh seat removal but on the intake none.
    Are the exhausts induction hardened and not the intakes or does use during operation result in a hardened surface due to extreme exhaust temps?

  • @theodoreshasta7846
    @theodoreshasta7846 Год назад +1

    Very nice work! You used a knife to make sure the machining had not compromised the water jacket surrounding valve seat. All was well, but what would you have done if the water jacket had been compromised? Thank you!

  • @stephenpoe2037
    @stephenpoe2037 Год назад

    Interesting process . Thanks for sharing .

  • @nichudnic2469
    @nichudnic2469 Год назад

    Ah man, I wish I knew this is the type of job I should've gone for way back when I had no clue what I wanted to do as a young adult. I want to put rebuilding (with assistance) a small block v8 on my bucket list, just need to find where I could do that :)

  • @torreypines3074
    @torreypines3074 Год назад

    Those are actually rare 65-67 396-427 oval port closed chamber 98cc. Casting #8872702!
    Exceptional machine work!!

  • @M.Arbogast
    @M.Arbogast Год назад

    I wish my father listened to me like yours does !

  • @kih0n
    @kih0n Год назад

    The cleaning guy... XD gets me everytime.

  • @thomasmitchell6921
    @thomasmitchell6921 Год назад

    Great work guys

  • @jcnpresser
    @jcnpresser Год назад

    I bet those heads were that rough when they were new. Castings back then we’re rough. I seen on one guys channel that was porting some heads had a flaw in the intake runner that looked like a peanut shell sticking into the port. That 3 angle job outta help it out a bunch!

  • @macthemec
    @macthemec Год назад

    It’s awesome you get to work with your Dad, doesn’t happen very often nowdays, i think you ought to have some gand kids and take the reigns

  • @christophercraig289
    @christophercraig289 Год назад

    Nice work as usual.

  • @lateefcarrere1649
    @lateefcarrere1649 Год назад

    After all the hard work put into those heads, a stock cam would be an insult, in my opinion.👍

  • @mercman2.5
    @mercman2.5 Год назад +3

    Was this done for a numbers match engine? Great videos, looks like a 350 hp head instead of the coveted L78.

    • @skylinefever
      @skylinefever Год назад +2

      Yes. He even has a video where the block was machined especially to avoid machining off the factory numbers.

  • @wilmamcdermott3065
    @wilmamcdermott3065 Год назад +1

    Nice work i wishi had all that machinery

  • @jimamizzi1
    @jimamizzi1 Год назад

    That valve bounce was trippy. Please subscribe guys, the cleaner may loose he’s job. Aussie fan.🇦🇺

  • @Aleks_Mechanics
    @Aleks_Mechanics Год назад +1

    Notification squad Have a nice weekend!🔥🔥🔥

  • @JohnnyAFG81
    @JohnnyAFG81 Год назад +1

    Is there a port and polish video in the future? Would love to see the work it takes to extract more power from stock heads.

    • @recoilrob324
      @recoilrob324 Год назад +1

      Those intakes did look like they were begging for some work. I had those same heads with larger intake valves so the pockets could be blended and they worked really well. The Oval Port heads flow just fine for most street applications and if you build an 'enhanced' 350 horse 396 they'll surprise most people as long as you don't kill it with too much gear. Let the torque work and also don't over-cam for the 6000 rpm redline. I know it sounds really small for modern minds...but something 204/214 @ .050" and about 1/2" lift is more than the 350 horse 396 had stock and is enough to feed it while allowing it to make all the torque it can from idle up. Put a good 400 Turbo behind it and 2.41-2.75 gears and what a nice package!

  • @willkay73
    @willkay73 Год назад

    You definitely earned your sleep, Mr. Jim. I hope you rested well. I'm curious to know what all of that pitting is going to do to the air/fuel mixture on the intake side and the carbon buildup on the exhaust side.

  • @orianhullinger7999
    @orianhullinger7999 Год назад

    I really enjoy these videos. It's a good idea to dress the head of that driver you use to install the valve seats. It's looking a little 🍄

  • @rogermontee8264
    @rogermontee8264 Год назад

    Nice work on the 396 heads!!!!! Keep up the nice machine work that you guy’s do. Love your youtube channel.☺️☺️☺️👍👍👍👍🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸

  • @projectdirtbikes
    @projectdirtbikes Год назад

    Great video as always!

  • @djosbun
    @djosbun Год назад +3

    When you originally brought the idea of a RUclips channel to your dad, what was his initial thoughts? I’m sure he thinks it was a great decision and I’m hoping that your efforts have paid off with a growing clientele base.

    • @JAMSIONLINE
      @JAMSIONLINE  Год назад +10

      To be honest, he wasn't really a fan lol. He's old school, didn't really understand the world of social media / content creation. Now he's excited about it haha "You should make a video of this! When does the video go live? What's the video about this week?" haha

    • @chevyinlinesix
      @chevyinlinesix Год назад

      ​@@JAMSIONLINE I'm really glad you decided to make videos and that I found your channel. It is very difficult to find a machine shop that specializes in automotive work, let alone one that takes such care and pride.

  • @lonerid1234
    @lonerid1234 Год назад

    Job nicely done.

  • @loupuleff571
    @loupuleff571 Год назад

    You guys are great ! I don't need a motor but having you build me one would make me feel better ! Lol

  • @anthonypirozzi837
    @anthonypirozzi837 Год назад

    I really wish you guys were here in Florida

  • @Billy28376
    @Billy28376 Год назад +1

    I wish we had good machine shops where I’m at. We just have tweakers who do horrible work but charge ridiculously.

  • @comrade171
    @comrade171 Год назад

    Another great one but it would have been nice to get a description of the options you'd have if you did cut into the water jacket from the seat pocket (@5:46)

  • @peterfransson3117
    @peterfransson3117 Год назад

    Great work 👌

  • @MrTooTechnical
    @MrTooTechnical Год назад

    Great work

  • @Marksracingengines
    @Marksracingengines Год назад

    BBC guides are a pain in the a** lol. I do the same thing and just drill them for a .500 OD guide or put liners in if possible. I do like the tip of cutting the tops off before you drive them out, that's a good idea, don't know why I never thought of that lol. BTW how you guys like the Serdi 4.0? I'm actually looking at one I may buy. I'm still using a PH2000 for guides and hard seats, roughing in with the 3D system and Serdi cutters and finish grinding the seats (Standard steel fixed pilots are just not all that accurate on my 3D system). I'm tired of cast iron dust up my nose! 🤣🤣
    Awesome video, and good looking work guys!

  • @shiningcake
    @shiningcake Год назад

    Love all your videos

  • @georgiafan6618
    @georgiafan6618 Год назад +1

    Chevy called their newer big block heads, ”porcupine heads” thus the splayed valves. How do you make them concentric?

  • @richb4099
    @richb4099 Год назад

    The valve guide and seat issues on an iron BB Chev are well known. I made the dumb mistake once of knocking out an exhaust guide from the top side down into the chamber side. Stock guides are different sizes on their OD's and stepped. Knocking them out in that direction can crack the head at the boss at the bowl side and may leak water. Sleeving the original guide is a much better way to go. GM did some really odd machining when they built those BB iron heads.....Just look at the guide holes and sometimes they are not concentric by a lot.....Just like how they located cam and crank centerlines in many blocks......way off center in the casting ! Those heads and the block were nasty but I assume the owner is wanting to keep the original's......Nice work ! I spent over 10 years doing engine work and I'd be happy if I still was.......never had as much good equipment as you do but we got by.......I'm very interested in the tractor engine story. That sure is/was a difficult one to diagnose and fix with confidence.

  • @jacquesvictor4232
    @jacquesvictor4232 Год назад

    Slightly off topic but ran into a problem with my 1300 kent engine when I broke a piston on the gudgeon pin location. On stripping the engine I found some bad wear on the thrust bearing surface on the crank. Toom me 5 months to find someone that could fix the damage.

  • @bradbeasley7669
    @bradbeasley7669 Год назад

    u rock my young bow tie builder 😎😎😎👍👍👍👍

  • @northofhwy8180
    @northofhwy8180 Год назад

    Love your machining content

  • @mrphiscal
    @mrphiscal Год назад

    I wish you would do a port and polish and bowl blend on something odd ( like a tractor)