As I have seen and asked the Toyota 3SFE engine and the 5SFE engine are basically the same. Except that one is 2.0cc and the other 2.2cc, big deal. Anyway can the Cam Shaft of the 5SFE that is sold on Web Cam be used on the 3SFE engine. Also, if the camshaft be used, can the Adjustible Cam Gears also be used?
No you can not use a cam from a 5sfe in a 3sfe. The cam lobe widths are bigger on a 5sfe and plus the timing is different and you will have so much trouble trying to get that thing to run correctly. As for the adjustable cam gear there isn't one for a 3sfe or 5sfe but I have heard from a couple of sources that fidanza was working on an adjustable cam gear for the 5sfe and if they do make one you should be able to use it on your 3sfe since they both have the same gear.
I'm curious about the 5sfe. Where can I find specs on the motor? I ask because I want to pull my 4age and put in something with more displacement for better low end torque. Either that or try to steal ideas from the V8 boys and just swap out the cranks from the 7afe into my 4age.
Early 5S: 130HP 140ftlb
Late 5S: 135HP 145ftlb
Adjustable cam pulley is not worth it on the FE head. There is only one pulley so you're advancing or retarding BOTH intake and exhaust at the same time. To my understanding they suppose to go opposite, one advanc, one retard to gain performance.
In a Camry a 4 series motor would be useless, maybe a 2nd gen is the exception.
You won't have enough torque and it won't come nearly quick enough to get the thing moving very easily at all.
For reference, you can adjust cam timing on the 5S-FE and 3S-FE if you count the amount of notches on the gear and calculate out how many degrees changing the positioning of the cam would come out to.
This is a long process that requires removing the camshaft each time to test a new setting, but it can be done. The FE series heads get a bad wrap because they're bad from the factory. The truth is, with any serious work a GE head and FE head can be made nearly identical except for valve angle.
No you can not use a cam from a 5sfe in a 3sfe. The cam lobe widths are bigger on a 5sfe and plus the timing is different and you will have so much trouble trying to get that thing to run correctly. As for the adjustable cam gear there isn't one for a 3sfe or 5sfe but I have heard from a couple of sources that fidanza was working on an adjustable cam gear for the 5sfe and if they do make one you should be able to use it on your 3sfe since they both have the same gear.
its possible with a re profile... thats how you stroke a 3sg(t)e to 2.2
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125 front wheel horsepower with major retard issues between 4500-5200RPM -
OD switched off, even when not in 3rd results in major power loss/rpm drop.
For reference, you can adjust cam timing on the 5S-FE and 3S-FE if you count the amount of notches on the gear and calculate out how many degrees changing the positioning of the cam would come out to.
This is a long process that requires removing the camshaft each time to test a new setting, but it can be done.
It wouldn't be to hard to figure out.
Divide 360 degrees by the number of teeth on the gear. That'll tell you how many degrees each teeth represents.
IMO its more trouble then its worth.
Quote:
The FE series heads get a bad wrap because they're bad from the factory. The truth is, with any serious work a GE head and FE head can be made nearly identical except for valve angle.
I don't know why you guys keep calling it a GE and FE head.
It might be possible, but is anyone willing to go through the trouble of trying to reengineer the cams.
If you want a different cam profile, have your stock cams reground.
Stroking a 3S to 2.2L is another story. You can use a 5S crank.
crank, not cams.
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125 front wheel horsepower with major retard issues between 4500-5200RPM -
OD switched off, even when not in 3rd results in major power loss/rpm drop.
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