Well yeah It dont seem that I can get it all together now. Finally got over hard times and got my wide band in and installed it saturday morning. Well I just put this engine togther about 3 months ago (Blew a tranny and was donw for a month from then) Had Scott (boosted maxima) port the heads and we added some nice iskey cams to it. And I put it back together and have had it running for about 3 month and finally got the wide band in on saturday. Well decided not to get on it to hard intill I got back from this trip this week end I took up state.Well on the way all of a sudden the car just cuts right off. No power lose or anything. So I pull over and are like WTF! ok It would not recrank. So I knew a a sensor had to shut it down. SO I check the ecu for codes and got the cam positon sensor and the knock sensor . So I check for fuel pressure and it was fine then I found I had no spark. WEll I took off the distributor cap and seen the rotor button wasnt spinning.So I call mtcookson to see if He had any Ideas about it And said If I was luck the distributor had broke. So on the side of I-26 I took it out and seen that it was fine and when I spent it over the cams would not turn. Im just hoping the new upgraded valve spring I put it would have may return the valve and none are bent. Dam and the wide band was so sweet too.

 

Sorry to hear it

I am not a betting man, but i would put $$ on smashed valves...

 

yeah im kinda thinking too

 

didn't you do a timing belt before you put the motor in??

 

yes yes i did

 

Tensioner???

 

yes that too and I have over 5,000 miles on it

 

Sorry, but what is a wide band?

 

http://www.zeitronix.com/Products/zt2/zt2.htm

 

Dude that sucks. Sounds like my luck...

Hope you pull the heads and they are fine...

~Alex

 

that's one of the crummiest stories. you were so close to having that car full tilt. hopefully this doesn't set you back too far

 

geez..hope it's not the belt or the crank snot breaking.

 

Very sorry to hear. I don't understand why your belt would pop after only 5k. It doesn't seem to make sense. Could it be all the extra power you have?

You said it didn't crank again? When my belt popped, the car cranked better then ever and I had spark on 3 of the back cylinders if I remember correctly. I wonder why that was. Probably the position the distributer got stuck at.

 

Very sorry to hear. Maybe it isn't as bad as you think. It is too bad that one of the very few people on this board who put their money where their mouth is has to have this happen.

 

yeah thanks Danny. I got a chance to pull the top timingbelt cover and the belt was just laying their and it was broke in the bottom area. Ill hopefuly have time to pull the bottom cover tommorow and get a new belt on to check the compression to se how bad it is.

 

This was earler that day not ******* it just crusing on the interstate

 

ouch man.. that sucks.
what kind of timing belt were you using? I've seen too many horror stories with the $19 autozone belts.. Gates or OEM only when I do a job.
unfortunetly, I bet if it broke while driving on the highway that you're going to be buying some new valves. If you're lucky then you won't have to replace the valve guides, but it wouldn't hurt if you bent the valves.

also be sure to use some very fine sandpaper and clean off any dings in the top of the pistons from the valves. the high spots will cause heat risers and detonation if you don't sand them off.

 

oem nissan timing belt!
Thanks I did not no that about the pistons!

 

I still don't get how something as important as an OEM timing belt could just snap like that after only 5k.

 

yeah me too me too.

 

I would try to take it to nissan but as my car is modded I dont they would do anything and plus they did not install it.

 

The only thing I could think of is pre-installation damage or improper tension. I was reading through the FSM the other day and they actually mentioned loosening all of the rockers when setting the tension of the belt for proper tension (makes sense... but I don't remember the stupid haynes book mentioning that, which could potentially be a problem).

Either way, I'd double check then triple check the tension of the belt to keep it from happening again... almost makes me want to check the belt again on the Maxima VG I'm putting in the Turbo Z... scary stuff.

 

I guess it's just one of those rare things.

 

I've lost a tensioner and had lots of slack in the belt, and the valves were fine. You could get lucky.