Yaris Intake Manifold

[richardholdener]

Thanks Rockland for the insight on the previous post regarding con rods-it is appreciated. Piston slap, offset crank pins-where do these guys come up with this stuff? I can remember when the light clicked on for me, the day that I realized that I didn't know everything and in fact knew very little. That is the day I officially started learning. Unfortunately, people put forth much more effort convincing others of their knowledge than actually obtaining it. For the record-Rod failure is caused by tension loads (rpm), extreme compression loads (detonation or extremely high power levels) or fatigue cycle life (extended operation near fatigue). Since none of the other situations were present-we must suspect detonation as the culprit, but will perform a post mortem to see if there is any evidence. The 1NZFE rods do not fail by design, neither did the Honda rods or small block Ford rods or any of the many powdered metal production rods-the culprit has almost always been a tuning error. There is a limit to the power production with the production rods, but since (in the case of this yaris) we were nowhere near that absolute power limit

Originally Posted by ROCKLAND TOYOTA

don't mind him, he's just our resident scion ass paper who thinks his knowledge is helpful.....

[Tamago]

Originally Posted by richardholdener

The 1NZFE rods do not fail by design

so explain this:







on a stock engine, stock ecu, intake, exhaust, bone dry day (so dont' even say it was hydrolock) at 85mph (over 4300rpm) about 80F ambient temperature, engine had 47,000 miles on it.

the 1NZ is not designed to rev above 4000rpm for extended periods of time.

[RagnaCaT]

Originally Posted by Tamago

so explain this:


on a stock engine, stock ecu, intake, exhaust, bone dry day (so dont' even say it was hydrolock) at 85mph (over 4300rpm) about 80F ambient temperature, engine had 47,000 miles on it.

the 1NZ is not designed to rev above 4000rpm for extended periods of time.

Nice! looks like the same thing that happened to my cousin's 7A-FE it was the oil pump and he didn't stop the car cuase it was late in the night. Not a big issue if watch the GUAGE! Also thats about the above 4000rpm come down to P.R. and drive in the highway towards Cayey reving hard between 3rd and 4th gear to mantain 80mph thats above 4000rpm up hill like half hour drive or around 15 miles. I got A/T and M/T they get the same punishment when I'm behind the wheel remember it's a TOYOTA.