U guys are very good love the way u did it in stages to show what u done to fix the head the correct way wish u would send me some info on your cast iron small block heads thanks guys
Ahh okay. Real nice repair work there. Never seen this done.. so when I saw the heads after the welding was done I was like O___O not a good repair. But then after the final clean up .. wow. And the fact that its a racer and still running strong, well thats the proof of the repair job
Excellent repair there. The fact aluminum is so repairable it makes sense to run these heads. I guess my question is......for the repair work we saw you have done here, what would that cost someone to have done? Thanks, Rob
lol I was also thinking like that, then I recalled a time a couple pistons shattered in my street rod; (too much boost) and some bits banged around in the chambers till the engine locked up. It looked a lot like that right there. lol
@Xceldyne can you tell which tools, methods and materials you use to do this? im almost done dissasembling an engine, m43 bmw engine from an old e36. its suposed to have a gasket problem but it might be something worse xD. any more info you can give to do this DIY would be great, ty.
It is only visual but it would be good if you get the filler rod grade closer to the grade of the cylinder head. I do a lot of this type of work so for me it is really important to consider this as customers and also myself are very fussy. Thanks for the video, and from the positive comments looks like there could be a few possible customers out there for you.
So, I gotta wonder, how did you get the profile. Those curvatures are almost organic, not straight-forward simple radai... all kinds of screwed up. I have 3 and 4 axis, 5 axis on the way, but probably too small for a head. Beautiful work! Thanks, Mark
You can't weld cast aluminum because the different heat properties of the weld and the coasted aluminum, max last for 500 miles and have an other crack by the weld. Cracked heads has to be replaced always. Thanks 4 you guys we have more big jobs, thanks a lot. A mechanic
It seems like they cracked some valve springs at high rpm in the past. Could those springs been dumped somehow to avoid them to vibrate and crack in the future? Any way, great work!
Good job there! did you cnc milled the combustion chambres, or was that done with a hand-tool? if cnc milled, how did you get the shape exactly the same? (some kind of digitalizing proces like that 'centroid porting' thing?)
@Xceldyne Would you be able to do that with cast iron cylinder heads? I know I know, most guys just junk the cast heads once they crack, but I have a numbers matching vehicle in which I need to keep numbers matching, and I can't find a head to replace it anywhere. If you did the cast iron, what technique would you use, weld, or braze? Thanks for any info you can share in advance...
looks like a valve dropped into the cylinder sat ontop of the piston and mashed up the head maybe a broken timming belt as the damage is on most of the cylinders.
You did a Superb Job!!! &How does that even happen?? Haven t encountered this type of problem yet..... But im sure some kid will bring me a car to repair like this hahahaah...... Awful, but oh well.
Sweet Mary, mother of pearl. What the hell happened there? And as a follow-up, were they really worth repairing? New heads means buying them but all that work could not have been cheap either. Very nice work, by the way.
A great finished article, an explanation how they got there would be nice !.
Do a Fenner and show the work in real time. I bet many would like to see prep, weld and tips and tricks. I do.
U guys are very good love the way u did it in stages to show what u done to fix the head the correct way wish u would send me some info on your cast iron small block heads thanks guys
Thats one reason I love Aluminum heads.
that moment when you realize where that lost bolt went
Wow, talent, skill, and whatever else you are blessed with, thanks for posting very very nice
Ahh okay. Real nice repair work there. Never seen this done.. so when I saw the heads after the welding was done I was like O___O not a good repair. But then after the final clean up .. wow. And the fact that its a racer and still running strong, well thats the proof of the repair job
that's some amazing workmanship for freehand
Excellent repair there.
The fact aluminum is so repairable it makes sense to run these heads.
I guess my question is......for the repair work we saw you have done here, what would that cost someone to have done?
Thanks,
Rob
lol I was also thinking like that, then I recalled a time a couple pistons shattered in my street rod; (too much boost) and some bits banged around in the chambers till the engine locked up. It looked a lot like that right there. lol
Nice work. I wonder what happened... it looks like each cylinder ate a nut while the motor was running.
timing chain/belt perhaps.
clearly a pro. well done.
nice job guys!
our heads are also australian made and owned :)
-Racer Pro Team.
Do you also walk on water? Amazing work.
This guy is good. Made junk heads good again
@Xceldyne can you tell which tools, methods and materials you use to do this? im almost done dissasembling an engine, m43 bmw engine from an old e36. its suposed to have a gasket problem but it might be something worse xD. any more info you can give to do this DIY would be great, ty.
looks nice but i'd worry about those valve seats walking out
That weld porosity is going to load up with carbon - probably fine but could cause hot spots and detention issues.
Holy shit what a mess I bet that took a minute to repair ..looks good ... hope it holds as well as it looks ...fine job..
It is only visual but it would be good if you get the filler rod grade closer to the grade of the cylinder head.
I do a lot of this type of work so for me it is really important to consider this as customers and also myself are very fussy.
Thanks for the video, and from the positive comments looks like there could be a few possible customers out there for you.
is a cylinder head actually reliable after a repair that large without hotspots?
yes
So, I gotta wonder, how did you get the profile.
Those curvatures are almost organic, not straight-forward simple radai... all kinds of screwed up.
I have 3 and 4 axis, 5 axis on the way, but probably too small for a head.
Beautiful work!
Thanks,
Mark
jesus, did they pour a bag of nickles down the intake?
before or after :)? because those welds are purdy okay
before of course
LOL...
piston rings
A valve probably broke free and dropped into the bore
So this is how detonation looks like
That looks great. Nice work.
Looks like your filler metal was a different alloy(?)
Very nice results. Me likes
You can't weld cast aluminum because the different heat properties of the weld and the coasted aluminum, max last for 500 miles and have an other crack by the weld. Cracked heads has to be replaced always. Thanks 4 you guys we have more big jobs, thanks a lot.
A mechanic
i'd say you'd done a few before. Great work.
Dam Fine work!
Well done sir. Beautiful job.
Nice job. 1 question did you mig the filler metal ? it looks so from the puddle pitting ? Can you do same repairs with tig welded beads?
thanks
It seems like they cracked some valve springs at high rpm in the past. Could those springs been dumped somehow to avoid them to vibrate and crack in the future? Any way, great work!
Good job there! did you cnc milled the combustion chambres, or was that done with a hand-tool? if cnc milled, how did you get the shape exactly the same? (some kind of digitalizing proces like that 'centroid porting' thing?)
Wow that turned out pretty dang good for free hand!! What the heck happened to the heads though?
Aluminum is a beautiful thing.
VERY NICE WORK
Damn good work, for some really messed up heads! Amazing job!!!
hi, it looks fantastic. How did you machine the combustion chamber? With a kind of Dremel tool? It couls have been nice to show how you worked.
I know those welds are getting machined but damn!
@Xceldyne Would you be able to do that with cast iron cylinder heads? I know I know, most guys just junk the cast heads once they crack, but I have a numbers matching vehicle in which I need to keep numbers matching, and I can't find a head to replace it anywhere. If you did the cast iron, what technique would you use, weld, or braze? Thanks for any info you can share in advance...
Nice heads, do they crack between the seats?
The old mans question, how in the world did that happen, certainly not just going
to the post office. Must have been a kid, they can break anything.
Look at all them voids!!!!
Very nice. Thanks for sharing.
Some serious damage to a few cylinders, what happened to the motor?
Sounds like a cricket ball got slogged for a six and went down the intake . Owzat!
did it fit the engine without any problems?
How was the cricket score that day?
looks like a valve dropped into the cylinder sat ontop of the piston and mashed up the head maybe a broken timming belt as the damage is on most of the cylinders.
You only had one cylinder left to 3d map your lucky
chevy ls series....did u drop guide pin in the cylinders.?
master´s work. best as new.
Now all you got to do is make some new valves out of coach bolts......maybe thats the cnc part?
Title says CNC, where is the CNC, this is a simple Tig ,and skim job .
Gladly send me your email.
+Don Deamour Hey ,i did not forget i am building something when its done ill send it. Cheers
I'm still waiting..
Your incorrect
You can clearly see the CNC work in chambers followed by face job
Good job
You did a Superb Job!!! &How does that even happen?? Haven t encountered this type of problem yet..... But im sure some kid will bring me a car to repair like this hahahaah...... Awful, but oh well.
What did you throw pebbles in it
What type of electrodes you used for welding?
What argon mix and rod do you guys use
Aluminum is wonderful stuff.
You're a GOD bro lol Amazing job!! Have you ever had reports of breaking or fatiguing accruing after repair?
An 8 year late question lol
What the... how did you do that?
How much does a repair like this cost
Awesome work thanks for info I hope I never need it.
Sweet Mary, mother of pearl. What the hell happened there? And as a follow-up, were they really worth repairing? New heads means buying them but all that work could not have been cheap either. Very nice work, by the way.
Jesus those heads got fi
How much got decked? Oring is gone, doesn’t seem necessary
My Respect! And I know what I say, my profession is the tool-maker (or how in english?)
Do these get heat treated before final machining?
the head got a bit bashed up there!
Could make the same video about 15 seconds long or also make it good by actually showing the machining.
meccanic to customer: were you too reluctant or lazy to change the timing belt on time? now it cost you even more :)
What the heck did it inhale!?
nice repair but how was this CNC? Doesnt that mean computer numerical control?
Nice work
Wtf? Did it swallow a turbo
clickbait, no cnc machining shown, typical aussie youtuber that shows jack and a finished item, a waste of time
all mighty i
How to CNC a Cylinder head to total scrap ? The closing to the Cylinder ist totally gone so this head will never run normal.
Hmmmmm.........Looks like it had a bad case of piston discombubberation.
"customer reports ticking sound in engine"
Perfect
I think u need new motor I can only imagine what the rest of the motor looks like
how can you do that
Woulda been cheaper just to buy another set of heads....
show your work
This must be expensive
magic
Timing belt failure on an interference engine I'm guessing
Good old nitrous
Nice
WTF...show us the damn machine work
Fritz Fondona I know righ
Thank goodness for aluminum...
I doubt that a kid could afford those heads.
Well I just Wasted 2 min of my life that I won't get back...
"And I know what I'm talking about, I am a professional tool-maker"
wtf happened to that? That's repairable?
why not just replace the heads?
+fockyoumang Because race head + Port& polish is very expensive ¡¡¡ not stock head
+ivanprobmx ohh
***** this head is a racer pro price 4,500 dollars aprox regreats
That's not cnc..iv seen it done..those welds are cold..more like a spool gun..tig would have been way better
WTF HAPENEND TO THAT HEAD!
👏👏👏👏
👏👏‼️®™️
I take it he used real cheep shit Valve's