hit rev limiter going downhill

[Nic01101011]

right after I did, and shifted into the next hear, the car didn't have any power. it sort of just hung there at the same RPM. a bit of shifting back and forth, and the car was back to normal.

car sat for a few days then drove home fine. but when I later went to drive it it would buck under acceleration and have little power. anyone know what might be wrong?

[SamE30e]

Popped something possibly. Did you do a compression test?

[rThor432]

That's how I blew up my ignition rotor. But then the car didnt go any more.

[Nic01101011]

i havent done anything yet, its been raining and I don't have a garage

the odd thing is that it drove alright for a while then only later started acting up. ill try driving it tommorow to see what happens

[Fidhle007]

Broken rocker.

[Nic01101011]

update on symptoms

the car drives smoothly, but is down on power. it sounds fine, i really don't think anything mechanical broke.

[dude8383]

don't know till you pop of that valve cover and have a looksy!

[Nic01101011]

wouldnt a broken rocker arm make a lot of noise and run really roughly?

[acefreely02]

its a broken rocker arm, ive done 3 already, first was was kinda a little ruff soun ding the other 2 didnt sound bad just down on power, they broke but letf enough to open the valve a small amount.. i can almost guarrenty its a broken rocker arm, most likely and intake one

[Nic01101011]

assuming it is a rocker arm..

is that an easy fix, do i have to pull the head?

also, is it a bad idea to be driving around?

[scabzzzz]

What, you dont have spare rocker arms lying around?
I thought that was a necessity of owning an E30?

[nando]

if it's an intake rocker, you can still drive it (assuming you've removed all the broken peices), but not if it's an exhaust rocker. you can unplug the injector going to that cylinder so it's not wasting fuel until you have a chance to change the rocker. you can also replace it without removing the head, it's tricky but not impossible.

[Fidhle007]

If your motor is old enough to break a rocker you really should pull the head and redo it with new stuff all around. We just had a customer with a broken rocker and when we pulled the head we found the cam was completely worn out. This motor had supposedly been rebuilt 60k miles ago, but probably with the old parts. Suck it up and do the work properly, even though it will be expensive. At least you'll have a fresh head and it's a good opportunity to upgrade while you're in there.

[dashboardmonkey]

What, you dont have spare rocker arms lying around?
I thought that was a necessity of owning an E30?

Haha, I know I have like 20 of them, pfft hint hint

[Spinning Tires]

My M20's lived on the rev limiter and i never broke a rocker. Just lucky it seems