Use mufflers during camshaft break in. That way if something is going wrong and there's a noise, you can hear it before it causes damage. Then after break in, open the exhaust all you want!
@@dalevackar182 Well, yes but that much oil splashing all over the headers is a good way to start a fire. Do you REALLY think the car manufacturers do that to every engine built? They don't.
@@davidkeeton6716 Never heard of oil deflectors on each rocker arm. Try it works well. If the lifters are not turning the cam lobe is sure to wear flat in a very short time on solid or hydraulic flat tappet engine.
I built a 396 inch engine for my 98 Chevy truck with a Lunati 4 inch crank, AFR 265cc heads, 205/215 Crane cam, Crower 1.8 roller rockers, Chevy dual plane intake, Standard bore 396 pistons, Lunati rods, Dart block, Edelbrock Elite polished valve covers, 600 cfm vacuum 4 barrel. I have right at 10 grand in it with me building it. It is 422 cubic inches and cranks out 435 hp at 5000 rpm. The amazing part is at 70 mph I get right at 25 mpg seeing the engine is turn 2300 rpm.
How the hell are you getting that millage? And what transmission setup are you using? The only thing I can see that would be helping fuel is the 600 vac carb, which is a bit small, but if you are only spinning it to 5K that's probably perfect for it.
You got a lot a birds chirpin ! You know why birds sing in the morning ? Cause they dont have to get up and go to work ! 👊 Looks like a nice motor ! Be safe !
The 396BB Chevy the L78 375hp series was my dad's favorite Big Block Chevy engine the 427BB was always my favorite BB they was the same block cast though just bigger bore really
@ AusGamer38 427 small block is not a factory engine size. It is a stroker bored motor that is big horse power motor but it's not a factory motor. This is a factory engine he's talking about 396. The big-block engine sizes are 366, 396, 402, 427, 454, and 502. Small blocks: 265 283, 302 305 307 327 350 400. Of course when you start to bore and stroke these motors then it's a different story. I think your thinking of the small block 327 engine. A buddy bought a 396 last fall tore it down ran the numbers it turns out it's a 402 $800 bucks for a running motor was a good deal. He put the lunati cam in his as well loves it.
The Idle is smooth. Sorry I don't have a vid of the engine idling. It sounds very good but I don't know how it is on the street, I'm very busy to get my car done.
ive never done it at 2500. never wiped a cam either. just use lots of zddp. this shit didnt become a problem until the fucking EPA bitched and whined until zddp was taken out of regular oil.
@@frigglebiscuit7484 It's not that the EPA "did" this, it's that they required catalytic converters that are killed by the zinc in the oil that ends up in exhaust. The main problem with cams not lasting or being a problem to break in is the sorry state of manufacturing standards, from materials to actual machining to marking and boxing and shipping.
@@RobinChevelle the only headers that come close to fitting properly are zoomies in a rail, and they probably need some hand fitting as well. All header manufacturers need a thrashing with a 9/16"x 3' coarse thread, threaded rod.
Sounds great man!! Congrats!! But, Dude headphones? Isn't the ridiculous noise part of the fun? It doesnt sound that radical anyways, sweet, but not radical. Not bashin ya, just found it kinda funny.
i have 454 chevy big block my bore size masurements are (1.) 4.251 (2.) 4.240 (3.) 4.242 (4.) 4.245 (5.) 4.242 (6.) 4.250 (7.) 4.249 (8.) 4.246 is this stock bore can some one please help me please and thank you
When you fire a new flat tappet engine you do NOT let it idle at all. You first turn the engine over with the coil off to get oil flow then fire it up around 2500 rpms should have pressure right at start up.
Hmmm it couldn't be from a long duration cam shaft's and a higher lift on the cam shaft's performance increases for you guys who don't have a clue stick to the couch and watch the movie duh
Use mufflers during camshaft break in. That way if something is going wrong and there's a noise, you can hear it before it causes damage. Then after break in, open the exhaust all you want!
first start up should be with the valve covers off so you can make sure all the push rods are spinning. unless it's full roller
@@dalevackar182 Well, yes but that much oil splashing all over the headers is a good way to start a fire. Do you REALLY think the car manufacturers do that to every engine built? They don't.
@@davidkeeton6716 Never heard of oil deflectors on each rocker arm. Try it works well. If the lifters are not turning the cam lobe is sure to wear flat in a very short time on solid or hydraulic flat tappet engine.
Beatifull morning birds chirping
I built a 396 inch engine for my 98 Chevy truck with a Lunati 4 inch crank, AFR 265cc heads, 205/215 Crane cam, Crower 1.8 roller rockers, Chevy dual plane intake, Standard bore 396 pistons, Lunati rods, Dart block, Edelbrock Elite polished valve covers, 600 cfm vacuum 4 barrel. I have right at 10 grand in it with me building it. It is 422 cubic inches and cranks out 435 hp at 5000 rpm. The amazing part is at 70 mph I get right at 25 mpg seeing the engine is turn 2300 rpm.
How the hell are you getting that millage? And what transmission setup are you using? The only thing I can see that would be helping fuel is the 600 vac carb, which is a bit small, but if you are only spinning it to 5K that's probably perfect for it.
TCI streetfighter 700R4 with a lock up rv torque converter and 3.32 rear gear turning 275/40/17 tires.
Ah that makes total sense. Thanks for the reply!
Nah!
You got a lot a birds chirpin ! You know why birds sing in the morning ? Cause they dont have to get up and go to work ! 👊
Looks like a nice motor !
Be safe !
The 396BB Chevy the L78 375hp series was my dad's favorite Big Block Chevy engine the 427BB was always my favorite BB they was the same block cast though just bigger bore really
NICE. In the fall that would be one bad ass lefblower.
@ AusGamer38 427 small block is not a factory engine size. It is a stroker bored motor that is big horse power motor but it's not a factory motor. This is a factory engine he's talking about 396. The big-block engine sizes are 366, 396, 402, 427, 454, and 502. Small blocks: 265 283, 302 305 307 327 350 400. Of course when you start to bore and stroke these motors then it's a different story. I think your thinking of the small block 327 engine. A buddy bought a 396 last fall tore it down ran the numbers it turns out it's a 402 $800 bucks for a running motor was a good deal. He put the lunati cam in his as well loves it.
a 427 small block isn't bored out. it's a 4.125 bore. That's stock 400 sb size. It's just a longer stroke crank in a 400 block.
nice engine test platform.
good job buddy hope she is still running good
I bet Your neighbours love You!
The Idle is smooth. Sorry I don't have a vid of the engine idling. It sounds very good but I don't know how it is on the street, I'm very busy to get my car done.
You nailed it your motor sounds great.
This 530/542 lift cam is a pretty mild cam for a 396 in a muscle car. Somewhere around 560 or more lift is better in most cases.
It depends on your wishes. This is already more cam then stock. It drives great and still gets 16mpg.
Hi...nice work. What was that sound at 1:34 and on re-start? Thanks!
Good number for bowtie stuff --see the 2:02 for video length. Yes, how about that wire to the carb?
what headers are you using
sounds good to go to me!
I thought cam break in was done at 2000 rpm?
pat mcgeough yup
pat mcgeough IT IS
ive never done it at 2500. never wiped a cam either. just use lots of zddp. this shit didnt become a problem until the fucking EPA bitched and whined until zddp was taken out of regular oil.
@@frigglebiscuit7484 It's not that the EPA "did" this, it's that they required catalytic converters that are killed by the zinc in the oil that ends up in exhaust. The main problem with cams not lasting or being a problem to break in is the sorry state of manufacturing standards, from materials to actual machining to marking and boxing and shipping.
What kind the headers do you use in this big blocks I would like to know for my Chevy truck
I used Patriot Clippster mid length. But they did not fit perfect and one collector points a bit to low.
@@RobinChevelle the only headers that come close to fitting properly are zoomies in a rail, and they probably need some hand fitting as well. All header manufacturers need a thrashing with a 9/16"x 3' coarse thread, threaded rod.
how much did the pulley set up set you back? what is the part# for it i like it.
waay cool
Sounds great man!! Congrats!! But, Dude headphones? Isn't the ridiculous noise part of the fun? It doesnt sound that radical anyways, sweet, but not radical. Not bashin ya, just found it kinda funny.
Nice stand if you do this a bunch
Thanks, I do this only once every couple years. But it's much more easy to work on a engine then in the car
sweet
how is that carb? i just found an un-used one in my barn. planning on putting it on a 350
Math is a generator
Stock?
427 is a big boy block. stock for 67 stingrays
The Rat Motor!
2000 RPM for 30 minutes?
Yes standard camshaft break in procedure
How much was it to build?
To much, shipping heavy engine parts to Europe is expensive. I don't remember all the prices, sorry.
+Robin Houtman shiet and i thought i had it bad with shipping to Canada lol
wat it dyno n r they expensive to build?
i have 454 chevy big block my bore size masurements are
(1.) 4.251
(2.) 4.240
(3.) 4.242
(4.) 4.245
(5.) 4.242
(6.) 4.250
(7.) 4.249
(8.) 4.246
is this stock bore can some one please help me please and thank you
4.250 is standard bore.
Kind off headers are those
Patriot mid length for 1970 chevelle
My Gosh Put a Damn Cam in that Motor
I'm glad there is one in it, otherwise it wouldn't run.
SCIENCE!
that was scary at 1:34
sound nasty chevy men nice
Fear the bowtie
date ,hours sleeve nut clamp tull box tu l
You don’t rev an engine on start up, ya goose!
You do when you brake in the cam
@@colinharris776 no you don’t. You bring the revs up after a couple of seconds of idle... when you’ve got some oil pressure.
@@mareksumguy1887 try to get oil to cam ASAP and plus it is easy to start up like thst
@@colinharris776 not true. That’s what assembly lube is for!
When you fire a new flat tappet engine you do NOT let it idle at all. You first turn the engine over with the coil off to get oil flow then fire it up around 2500 rpms should have pressure right at start up.
Put a 850 and a bigger cam
I drive it for almost 7 years like this, it lives 95% of the time under 3000rpm. I love my cam/carb combo and the gas mileage.
Yeah that's right if you want to drown out the bearings in the motor
garage 'dor kart 1
If its da 1st start.. 4 me I think d (RPM) is 2 high n it's not good 4 a fresh rebuild motor.. specially a 396.. their known 2 throw rods..
Stan Mendoza it must be at least 2000rpm for the brake in of a flat tappet camshaft. 2000rpm for 20 minutes.
Robin Houtman yeah 2000. But that sounds like 4-5000 but it's just my opinion.. 🤔
Stan Mendoza it sounds like that but it wasn't. I know for sure.
Dude...use words, not numbers.
What wrong with you any how DUDE
Sounds like a lawn mower
Cool, can you tell me where to buy lawn mowers that sound like a big block Chevy? 😉
tu l herramienta kit box mail mail coach date hours
sounds like a lawn mower why
Hmmm it couldn't be from a long duration cam shaft's and a higher lift on the cam shaft's performance increases for you guys who don't have a clue stick to the couch and watch the movie duh
payroll s
eww behive springs...