Have you used the ferrea hollow valves in a build yet? I believe they 20% lighter than std valves but also cheaper than titanium valves. If so would you recommend them?
@@shaunmccreedy6121 I wouldn’t use Titanium or a hollow stem for a 1jz or 2jz. The hollow stem is just scary on anything that makes jam with a 6mm stem to me, afraid of it breaking. And a titanium valve is just not worth the added expense.
@Dave do you know if GSC makes any valves or springs for a F22C cylinder head? Their site just had valve guides... And seeing you and Geoff on Pinks really shows how instrumental you guys have been in the import car world 💪🏻
Hello Dave, I wanted to ask a question, which you may have explained in the video but I didn't understand it. By changing the valve springs to harder ones, the hydraulic lift does not affect it and can be unloaded, or are you going to install another type? Thanks for your time. Greetings Goyo
Curious about what is different/better with the gen 3 lifters and rockers over the gen 2? I've definitely thought about doing a 3.5EB swap into something after buying my gen 2 haha
the 2021+ Gen3 3.5L lifters and rockers are actually a "BR3Z" part number originating from the Gen3 coyote engines. these are a more robust design and stronger / more reliable at higher power levels. We're using "ML3Z" timing components which are largely from the Gen3 3.5L powerboost and much stronger than the Gen2 timing assembly components
Great machine for head work, I need mazda doch head full port work, chamber machining and install bigger beryllium seats for race valves. When ready do it?
@@headgames First this head go flow bench so we see what it do original size? Beryllium work well with ti valves but i know there is many option. This head fit n/a motor which become spin over 9,5t rpm.
@@headgamesru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-6f4RRFUW69A.htmlsi=ok-WEaSk5sQ1l1Fr I see a lot potential tune up this mazda 4 spot, Basic engine is strong high boost application, but it need best head work what available, so maybe HGM can do it?
Personally, I VERY much appreciate the blending. I recently expressed my disappointment after my client paid $4,500 for a pair of heads and 60% of the ports were untouched. 🤷♂️
Granna is billet block. I don't know by that Tony. I know other Tony from PR running stock engines in the 8 sec automatic and 9 sec manual. Stock block and roll cage
Hellow! Transmission are different. Grannas is the fastest manual transmission with clutch pedal Dave . Tony is Jerico or automatic but definitely sounds 3 gears with the overdrive drum automatic.
Did this same exact thing a week ago on M54B25 head with M50B25 intake manifold with a bit different approach. I cut 10mm aluminium flange on waterjet using M54 port diameter and spacing. Blended that flange to M50 manifold the same way, so intake ports are untouched in the head and only the adapter flange is port matched. Made zero max hp gains, only 3000-6000rpm torque increased 5-6Nm across the rpm range. Interestingly peak power was at 5900rpm after the adapter flange, and 6100rpm before. Had to make slight adjustments to intake cam timing to get same max hp. Dynoed and tuned the car before the adapter flange and after port matching the flange to the manifold. 190whp with M54B30 intake cam, headers (unequal lenght), 3" single exhaust, B30 injectors and E85. My old M54B25 with same mods otherwise but stock intake manifold made 199whp and more torque everywhere. The runners are too long and big volume in the M50 manifold compared to M54 manifold. Might make some gains on 3 liter B30, but waste of time on 2.5 and 2.8 engines.
My main job is Dyno tuning cars, I have built engine but have stopped for customers. I have a flow bench with performance trends electronic, Before I send a head out to be ported I flow the head and different openings and record air velocity, I know the basics of porting but hate it. When I get the head back I flow test again, most porters increase peak flow at full valve lift and ruin velocity. I have found that 1/3 lift on the inlet is the most critical, getting that right works well. Also head flow when choosing cams is important, Why put a 12mm lift inlet cam when peak flow is at 10.5mm, or on the exhaust a 12mm and peak flow is at 9mm, Also there is nothing wrong with different duration on inlet and exhaust. This still happens today, "Hi can I have some cams for my car" "Yes I'll send you some 12mm 272inlet and 12mm 272 for the exhaust cam". I've run on a street car 12mm lift and 268 inlets and needed more flow on the exhaust side so run 9.5mm 272 both inlet and exhaust at peak flow, Idled like a normal car and revved to 8000rpm and with a TO4z turbo it went really well
@@SailingAwayNZ having a flow bench definitely helps understand cams. And tuning helps understand how people make heads too big or put too much duration at a combo. We concentrate on flow between.100-.350 because that’s where almost all of the cams available for the heads we work on live.
Will you guys eventually do a video showing the advantages of replacing the 1jz intake seats with 2jz seats and blending the bowls to support the bigger 2jz valve? Or is this "bigger valve bad" going to be the end of the 1jz content?
Im buying my 4th M5xx car soon, did SCCA stuff with my 330ci, but never thought of porting and polishing until like 3 days ago, and here you are one day ago on this exact application lol i just dont know how id feel about it unless it was for a turbo application with M50 runners from VAC motorsports, might have to pick up a spare Head and a lower compression gasket just to test things
This might be a dumb question. Stock to mild cam verses wild race cam with lots of duration ...etc. Do ported heads make more power difference as you go from stock smooth cam to radical cam? I'm building a Pontiac 400 and I'm wondering if it would be worth the effort to port the heads if I'm using a BP6014SP cam and I wonder how much it would gain with that cam I'm thinking about 25 hp? increase with #13 heads? I still can't decide what valves to get for it
What the heck is up with the casting of that head? Did they just press a bunch of aluminum beads together, or actually cast it? It looks like painted styrofoam. Building that way seems like you are asking for cracks, etc. with no consideration for longevity. Is this the current trend in OE manufacturing? Can you do a video on the evolution of head manufacturing?
What are you on about? All cast parts have a texture. There is nothing out of the ordinary with that head. To be fair, the lighting, along with some dirt in the low spots, does make it appear exaggerated in the video.
@@dan1906, I realize that. However, look at how the head was made and it looks like a bunch of beads were pressed together like styrofoam. It doesn't look like aluminum was poured into a sand mould. I've simply not seen a head made like that before.
Hi Dave, just next week they will bring me a cylinder head like that to do the same thing. My question is what honest opinion do you have about doing that and if the intake port is already excessively large. People go crazy with the m50 intake manifold, but I think that with the m54 it has enough air. Greetings and thanks for your time. Goyo
@@goyocarreras I agree it probably is already big and okay. Problem is, I don’t anything about this head or the combo so I can’t speak intelligently if it’s a gain or worth it. When I know these things, I won’t let people hurt themselves by just doing what they want. I try to stick to what they need.
We haven’t worked on them in many years. You might be able to find some of the magazine articles online when we did them for modified mag and import tuner.
I know what you mention about flow numbers don't tell the sorry, and speed is king, did you check a before and after to see what was affected or improved since this is a new cylinder head for you.
What process do you use when doing something like this? 100% complete one port then use it as a reference for the rest or rough out all of them at once then sand then all?
Great information, because I had a lot of question marks in my head with the cylinder head you send me and installing a intake that I have not purchase yet.
@@headgames no you send me a 4G63 2G, and like you had mention castings are very inconsistent, I guess I may need to look how the intake manifold match the Cyl head.
