About the 1zz-fe engine

[Vibeman GT]

Is it true that this engine doesn't like to redline all the time ?(e.g. shifting gears at 6000RPM) I've heard that if pushed too hard, it will start to burn oil. I thought that DOHC engines like to rev unlike their OHV counterparts! I'm not saying that I will shift at 6000RPM but more in the 3000-4000RPM range.

[Toolman]

My GTO is a OHV and I take it to 6200 rpm on regular occasion, and so do other GTO owners according to the GTO forums. I wouldnt say that it doesnt like it, it revs to redline 3 times faster than the Vibe. It actually depends more on the stroke length more than anything how the engine reacts to RPM, shorter stroke higher the redline. There are valvetrain issues also(which is the only difference between DOHC and OHV other than cam location). Modular motors move the lifting points further from the motor an allow for more valves, hence better aspiration, and better volumetric efficiency

[mcgusto82]

totally agree with TOOLMAN. any car driven to it's limit offten will require more preventive maintenance and will burn more oil. also shorten it's work life. since this is a road going car. it isn't designed to be driven soo hard so often. most modern engines can take abuse but if you do it too often you will have to deal with additional wear and tear.

[Toolman]

Red line is like a Playground, it is Ok to go there every now and Again, but hanging out there can get you in trouble.

[Vibeman GT]

Quote, originally posted by Toolman »Red line is like a Playground, it is Ok to go there every now and Again, but hanging out there can get you in trouble.Yeah, that's what I wanted to know. It's always tempting to rev an engine especially the 1zz-fe whose max HP is at 6300RPM

[mcgusto82]

i usually red line it in first. as long a you don't keep doing it thru all the gears, the engine can take that abuse.either way, if you're redlining thru more than 1st and 2nd. you have other worries.

[drunkenmaxx]

Quote, originally posted by Vibeman GT »Yeah, that's what I wanted to know. It's always tempting to rev an engine especially the 1zz-fe whose max HP is at 6300RPM actually i believe max is around 4500 or so.

[Vibeman GT]

Quote, originally posted by drunkenvibe »actually i believe max is around 4500 or so.I've taken this from the GM website:Vibe (base)126HP@6000RPM and 122lb*ft@4200RPM

[drunkenmaxx]

Quote, originally posted by Vibeman GT »I've taken this from the GM website:Vibe (base)126HP@6000RPM and 122lb*ft@4200RPM well spank my (removed)! i guess you were right!

[satur9]

i usually redline first and second all the time.no excess oil burning. its always still full come oil change.

[Toolman]

I am sure that redlines are set very conservatively "padded" if you will. They set it so that even repeatedly visited it will cause little to no damage to the engine.

[bud_one]

Quote, originally posted by satur9 »i usually redline first and second all the time.no excess oil burning. its always still full come oil change.Same here....no problems- 63k miles and still running strong....

[Faultline]

I think the celicas are set at 7k or maybe its at 6800....I know it is higher. Some of the Spyder guys using the Apexi Power FC for engine control , run up to 8k on the 1zz. The latter may have put in stiffer valve springs for that, but I cant remember. I go to 6k all the time for 1st and 2nd gears. In 3rd, that is 90mph. in 4th it is 120mph...something like that. I dont do the latter 2 very much.

[21Rouge]

Quote, originally posted by satur9 »i usually redline first and second all the time.I need an education here guys. I have a 5 speed base. I cant imagine taking a gear to redline. Btw, I am not in my car. What is the redline rpm in the 1zzfe? So back to my schoolin': why redline in 1st or 2nd?

[Mavrik]

redline on the base Vibe is around 6700-6800RPM? Not in my car either but its about that range. unless I'm in a hurry to get moving, I shift at 4500-5500RPM... not usual for my daily driving habits. normal shifting is around 3500-4000 for me though I gotta cut back. Cold weather and high rpm means less fuel mileage.

[JohnC]

Guess I am just an old geezer...my tach rarely sees more than 4k. But I usually get around 300k miles out of my cars.

[4X4CHICHI]

I'll have to admit it took awhile to get used to redlining mine at 8300 rpm..... about 2 seconds.

[Mavrik]

Quote, originally posted by 4X4CHICHI »I'll have to admit it took awhile to get used to redlining mine at 8300 rpm..... about 2 seconds.Yeah yeah... lolredline base Vibe is around 6200-6400 roughly according to my 04 base Vibe gauge.

[Toolman]

I dont think that my wife's Vibe has seen redline yet(3months), but my GTO has seen it quite a few times!

[shanemade]

so what happens after red-line?

[kostby]

Very expensive mechanical noises! If I recall correctly, the 1zz engine has some type of rev limiter in the engine electronics. It seems like mine stopped revving beyond about 6200 rpm when I accidentally shifted my automatic into neutral one time.

[shanemade]

Quote, originally posted by kostby »Very expensive mechanical noises! If I recall correctly, the 1zz engine has some type of rev limiter in the engine electronics. It seems like mine stopped revving beyond about 6200 rpm when I accidentally shifted my automatic into neutral one time.Very expensive mechanical noises! lolya know I've put mine there a couple times, seemed to cut out......like that's it no more go. can you float the valves in 1zz? or do think the rev limiter would kick in before you hurt it to bad. it's probably not a Good idea to go that far to often.

[djb383]

A DOHC engine is an OHV engine, but the cam(s) are in different locations.

[Mrizzle05]

Well i took mine to about 7K one time... in the 5 speed... and my cavy was an auto and it only started freakin out when i got it up to 107 (only went to 110! ) so i guess just be careful.

[burkeyro]

Ok - I don't know what the Exact Specs are but the Rev limiter on the 03 cuts the engine at 6500 ish - I've beaten the absolute (removed) out of mine for 68000 miles - I find the rev limiter every time I drive it - only problems that I'm haveing are Transmission Related - Clutch is going and can't down shift into 2nd above 20 miles per hour - but the Trans had issues the day I pulled off the lot. (Bad Bearings). The motor is a very STOUT little motor until you start adding boost to Stock internals. I've heard rumors of other cars (Civic) that if you beat on them the Rings/seals start to go and you end up burning oil, but have not experianced this on the 1ZZFE.

[DiveNut]

The rev limiter kicks in...this is to protect the motor.