Few people understand the time and effort that goes into a head like that. I'd estimate your video runtime at about a minute a second. That looked like 60x to me. Nice work!
Isn't is easier to mess up the mating surface of the valves when you do the valve work before porting and chamber work? Do you guys have flow bench numbers?
Have you done specific testing of flow vs scavenging? The smaller the ports, the less cfm is required for the same displacement of air in the chamber. The 2nd gen has more Hp from a smaller turbo from this affect. I'm wondering what the limit is on the smaller port design and if the restriction eventually becomes a hindrance. And I also don't know why people punch out the ports when you lose more air in the compression. It's like blowing through a straw vs blowing through a TP roll, it seems counter intuitive. Take the same bottom end with a 1g ported and a 2g polished, but not ported... and see which one pulls better numbers. Same everything else
I just bought a 2L SOHC (4G63 2.0S) Starwagon here in Australia, which I believe was called a Spacewagon in other parts of the world. I want to know if these engines are hard to rebuild, they look quite simple, but I have no experience with rebuilding motors
I have to wonder if this was this guys first time doing head work. No back lit ports, plus he did the valve job before the porting. I'd call this a stage 1 at best
been doing it for 15 years I've always cut the seats before hand. Just different than the norm.. This head holds the stock appearing DSM turbo record and the FP black record. Call it whatever stage you think, it works.
+fast2300tbird The only way to really match the ports to the seats completely is to cut the seats first...This is just a pro doing his work! Some people simply don't appreciate the back pain and white fingers it causes to make one of these!
Few people understand the time and effort that goes into a head like that. I'd estimate your video runtime at about a minute a second. That looked like 60x to me. Nice work!
Having you guys do my car this spring, this video not only got me very excited but very happy I'm using forced engineering great work!
That dubstep tho and what a work of art!!!!.....
That's brave doing a valve job then porting it.I would have done the port job first.
Agreed +1
Thanks so much for sharing that! It was awesome to see how the process happens.
nice work, looks beautiful, love the linsey sterling music also!!!
I could watch this all day on repeat
Very Nice! That was labor intensive but I'm sure the effort pays off in the end. Great job.
Awesome work, love the updates and the builds
10 hours worth of work? That's pretty impressive
Fantastic!
Fantastic workmanship, always enjoy seeing this kind of manual work being performed to a high standard.
What is the name of the sing playing?
great Lindsey sterling music
Beautiful work. I didnt see them grind oil flow port to compensate for decking.
Do to time, not everything we do is in the video.
nice video, enjoyed
Interesting to see how a shop does it compared to someone like Jafromobile
Jafros that dude
Isn't is easier to mess up the mating surface of the valves when you do the valve work before porting and chamber work? Do you guys have flow bench numbers?
It sure looks pretty. Got any flowbench numbers for it?
Is there a reason for not hot tanking the head after the machining is completed?
That was beautiful😢
The sanding of the ports, wouldn't that enlarge the port and make the valve stem seal leak . No other way to remove the carbon ?
Have you done specific testing of flow vs scavenging? The smaller the ports, the less cfm is required for the same displacement of air in the chamber. The 2nd gen has more Hp from a smaller turbo from this affect. I'm wondering what the limit is on the smaller port design and if the restriction eventually becomes a hindrance. And I also don't know why people punch out the ports when you lose more air in the compression. It's like blowing through a straw vs blowing through a TP roll, it seems counter intuitive. Take the same bottom end with a 1g ported and a 2g polished, but not ported... and see which one pulls better numbers. Same everything else
Good job ! but how many forces it add ?
masterpiece
Clamp on the head so it doesnt move when youre working on it
I just bought a 2L SOHC (4G63 2.0S) Starwagon here in Australia, which I believe was called a Spacewagon in other parts of the world. I want to know if these engines are hard to rebuild, they look quite simple, but I have no experience with rebuilding motors
yes
Yes he did 4:21 he hits up the tear drop if that's what u mean..
Nice work. How much does it cost to have this done? Can you do this to other 16V cylinder heads?
I have to wonder if this was this guys first time doing head work. No back lit ports, plus he did the valve job before the porting. I'd call this a stage 1 at best
been doing it for 15 years I've always cut the seats before hand. Just different than the norm.. This head holds the stock appearing DSM turbo record and the FP black record. Call it whatever stage you think, it works.
+fast2300tbird Pro stuff isn't sold as "stages", people are just haters
+fast2300tbird The only way to really match the ports to the seats completely is to cut the seats first...This is just a pro doing his work! Some people simply don't appreciate the back pain and white fingers it causes to make one of these!
Get rekt fucking weeb
+mannys9130 you first
Cams valves and porting
What's the price for this service. I've got 2 heads one that I' pretty sure is toast, and one that I would like a performance treatment done.
Do you guys check the stem height and spring height values during the install process?
Yes we do. You don't see this in the video though.
What are you doing to the head between 4:21 and 4:22? Something with the oil drain back?
opening up the oil feed port in the head.
Thanks! I'm an hour away from pulling the head on my '92 talon Tsi. Watching head vidoes over lunch break.
I see, glad to help man.
Flow numbers?
How much for the Mivec head ? Billet
checking the springs for specific install height?
We set installed height, that process is not in the video for time reasons.
How much for that port job
How much is it to do this??
How mutch more Power of this Head?
Depend on what your setup is originally. results very greatly depending on the capability of the turbo setup/cam combo.
Words of wisdom from Grocbocca... "YOU NEVER TOUCH THE CEILINGS WHEN PORTING EXHAUST RUNNERS!"
Definitely don't make them bigger in anyway on these things. They are to big already!
huh?
Hi how much a job like this cost
Regards.
i should order one good work now i know why they cost as much as they do.
wow
I have made 1000 hp on a bone stock head with HKS cams.
Gary Andriotis how lol
Which HKS cams ?
1st
If this whole job only took six and a half minutes then why does it cost so much to do?
Lol, if only i could do all that in 6.5 min!
One of the most awesome engines in the world
Most shitty music in the world