More Power! Head work and valve work

Рет қаралды 120,178

16 жыл бұрын

Steve's Auto Clinic is in the forefront of engine modifications and service in South Africa. This mod is made to a Toyot Land Cruiser 4,5P.

Пікірлер: 34

@beingabdaal950 11 ай бұрын

Can't believe what a big difference

@ankualex 4 жыл бұрын

so I'm watching this 13 years later hoping to improve my 2.2l performance and torque and the only thing that I understood is that I don;t know anything about engines. I'm amazed to see that difference of efficiency...

@Syeda._iqraa 4 жыл бұрын

one of the best videos with real examples .. loved it man, can you do something like this for small bike engines

@msajidkhan9236 6 жыл бұрын

Great video, thanks for sharing

@AmrinderSingh-zx9hr Жыл бұрын

Good

@jamieknight9636 Жыл бұрын

Is there a part2 to this video?

@R14D 16 жыл бұрын

Pretty good video! Thanks for posting it. So what was the final dyno result? Where to get those inlet valves? What kind changes were made to the intake cam?

@mikerieck306 6 жыл бұрын

The most important step when installing oversize intake valves is to bore the seat ID to 90% of the OS valve OD. I go to 85% on the exhaust side

@Bernd4711 5 жыл бұрын

It depends on how much is the inlet/outlet valve Ratio.

@xrpripple6549 4 жыл бұрын

Best video so far.. logically putting science to a test

@4xoverland 14 жыл бұрын

I seem to remember about 25KW. DOn't remember how much torque. But it was more that noticeable - that cruiser went like stink - especially on the dunes.

@bryanseidel4564 6 жыл бұрын

did it increase or at least maintain its fuel economy???

@rctractorboy 12 жыл бұрын

Is there any factory like this in the usa and georgia

@4xoverland 15 жыл бұрын

4500 petrol

@labourlawact7826 3 жыл бұрын

And in the end you said it didn't make one single iota of a difference to the fuel consumption. 😢

@jamieknight9636 Жыл бұрын

Did he say that ?

@InformalInker 8 жыл бұрын

WHERE CAN I BUY THESE VAVLES I HAVE A 4g64 IN THE PROGRESS OF BEING BUILT TIME IS A KEY

@m.m.aautos6608 6 жыл бұрын

WeXdoXnotXforgive WeXdoXnotXforget if youre building your motor you should know where to find and buy new valaves ......

@thejohn6912 5 жыл бұрын

If you’re still having issues with your 4g64 and you haven’t checked out dsmtuners yet, you need to

@miepmaster25 4 жыл бұрын

how to throw a rod 101

@josevelez49 4 жыл бұрын

I disagree a little bit on the exhaust valves. Tulip shape flows better on exhaust!

@matttopp5515 3 жыл бұрын

Please explain more bout it by your side tqtq

@josevelez49 3 жыл бұрын

@@matttopp5515 On natural aspirated engines , the tulip valve on the exhaust side promotes better gas scavenging! the profile on the valve has a better contour . I have done the homework on Harley engine with good results! On blow engines is another story. The flowmaster shows some improvements. But the other variables , like cam shaft lift, round or square ports, etc. That particular chamber is a pentroof type, which I think , should not have those valves in the first place. On bathtub, or Hemi design works great!

@rlld23 Жыл бұрын

Could you explain a bit more or where can i get this info? Thanks

@josevelez49 Жыл бұрын

@@rlld23 Graham Bell , four strokes performance(book).

@rlld23 Жыл бұрын

@@josevelez49 Thank you

@bryanseidel4564 6 жыл бұрын

maybe just wack a turbo on

@ultimateracingtips2799 6 жыл бұрын

Takes real skill to know how to cut valves and work a cylinder head. Any donut can slap a turbo on a car and take it to a tuner.

@TheSunnyTrails 5 жыл бұрын

Only plebs wack a turbo on and call it a day

@ultimateracingtips2799 5 жыл бұрын

Very true. @port nut

@gpt5002 Жыл бұрын

More air means more fuel. It's very simple. Everything that has been done mostly isn't fuel related. Mill the heads.. increase compression and work the exhaust side of the port and manifolds.. maybe a different exhaust valve but I wouldn't go that far and be done with it. Increase compression and air going out then you gain mpg. Everything else will need more fuel. Another worthless video of misguiding information