cams for 3s-fe

[Ultima]

Hey everyone! I am wanting to put sports cams into my 3s-fe motor, however i cant find any suppliers in oz. can anyone help? or does anyone know if i can grind my cams to be similar to the 3s-ge cams? (and if so what measurements that would be?)

[userlain]

There aren't any.

[Camry Marc]

I dont think grinding your cam is a good idea lol, since most of the performance cam are mare to be longer so the valve are opened longer and etc... i'm not going to get in details but grinding is bad unless you are an expert and you know how to do it perfectly like the 3s-ge cam go ahead. damn first time i ever heard someone who whant to grind his cam

[Pineapple]

Do a search for 5S-FE cams. The company could custom grind you a set for 3S-FE.

[userlain]

Originally Posted by Pineapple

Do a search for 5S-FE cams. The company could custom grind you a set for 3S-FE.

Is that possible? I always thought the 3SFE wasn't true DOHC, but the 5SFE was...

[Camry Marc]

i dont know but it should work, is this was the motor that we can frankenstein ? the 5s-fe with the 3s-fe ???

[88 LE]

Originally Posted by Ultima

I am wanting to put sports cams into my 3s-fe motor, however i cant find any suppliers in oz. can anyone help?

I don't know about OZ, but contact Crower or Web Cam Inc.

http://www.crower.com

http://www.webcamshafts.com

Originally Posted by userlain

Is that possible? I always thought the 3SFE wasn't true DOHC, but the 5SFE was...

3S-FE and 5S-FE are DOHC. However theres only one camgear (on the intake cam).

The intake cam drives the exhaust cam thru a internal gear on both cams.

G head design (3S-GE/GTE, 7M-GE/GTE, 2JZ-GE/GTE, etc...) is true DOHC. Each cam has its own camgear. The G head design also has a wider valve angle (45 degrees) vs. the F head (22 degrees) design.

Originally Posted by Camry Marc

i dont know but it should work, is this was the motor that we can frankenstein ? the 5s-fe with the 3s-fe ???

No.

The cams on the 5S-FE are different then the ones on a 3S-FE.

Bore and stroke on a 5S-FE is bigger then a 3S-FE.

5S crank has bigger rod journals.

[Camry Marc]

nice info, thanks

[JetspeedCamry]

You can't use 3SGE cams with the 3SFE?

[Pineapple]

Nop. GE cam are driven by 2 cam pulley outside the cover. FE use one pulley to drive one cam and gear on that cam drive the other cam.
This is FE cams:

See the gear connecting both cams.

Now someone post GE cams

[88 LE]

3S-GTE:




Notice how it has 2 camgears and no internal gears on the cams.

Exhaust cam = top part of picture
Intake cam = bottom part of picture

[chronoti]

well arent there maching shops that can build back up the metal on the cams and then regrind them back down ..... i rember my dads friend telling us about this to rebuild a shaft for a distrobuter and water pump

[88 LE]

^ They weld the lobes of the cam, then regrind it.

Thats why its called a regrind.

[JetspeedCamry]

Apart from the GE head having a valve angle of 45 degrees, what is the idea behind having no internal gear like that, and having them driven seperatly?
My 2VZFE is like that first picture, (obviosuly because it's a FE!!) Interesting to see they follow very similar principles. I assume 3SFE and 2VZ cams are different..and that 3SGE cams will not work wit my 2VZ. I too am reserching better cams for my engine. Any ideas?

[S2B_Blown_3.5]

Originally Posted by JetspeedCamry

I assume 3SFE and 2VZ cams are different..and that 3SGE cams will not work wit my 2VZ.

Correct, each camshaft on your engine drives the valves for 3 cylinders, the 5S and 3S cams drive 4. I don't know of anyone who makes 2VZ cams, you might have to look into regrinding.