TwinTurbo.NET: Nissan 300ZX forum - please help with measuring main bearing clearences...
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Subject please help with measuring main bearing clearences...
     
Posted by dyce_art on December 22, 2013 at 2:51 AM
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Message ok.... first post and its a doosy... i guess ill start off by giving the background before i get into the big question.

in the summer me and my girlfriend decided wthat after beeing together for a year we would get a car.

I grew up as a kid with my dad owning a 94 2+2 na 5 spd. until 98 when his lease was up. I used to wash and detail his car admiring its true beauty through its tastefully exotic lines to its reserved and humble purr of the mysterious engine i so wanted try for myself.

I used to, on Thursdays, get picked up by dad and a part of the journey home, I would be allow me to steer while he made calls on his built in car phone. those times I had became moments that you cherish all through my childhood.

I guess there was some unfinished business with not getting the full z driving experience and having that itch and that obsession to hit those pedals for my own z was soon was becomming a need,

fast forward to the summer.....

i began my quest to find a z to present to my girlfriend because "we" were buying it "together".
I came up with a list of 3 possibles and i got a email response from the first one and we went and looked at it.
before we even had the chance to turn the key on and hear it hum my girlfriend was already sold due to the purple led lights and the chrome 18s it had. i was just thrilled with the reality of owning and having my dream unfold into a reality. so with fully knowing it had some quirks i was sold i knew it had a immediate need of 1500 bucks in repairs to get it road reliable and safe for her to drive as well.

sooo that evening after having my voice of reason distracted with 3 dollar purple led lights i bought a "we" sorry bought a 1990 z32 na auto.... for 3k cdn, it was listed for 4 but i wasn't gonna loose all of my manhood by paying sticker, sooo i bartered him down to 3k and , well....., i was happy... i got the z. my gf liked the lights and the seller got rid of the Japanese garden gnome he had been trying to sell for months.

well it made it home and i started to try and tune it up. I worked at ford as a part time job in high school so i did the fluids and hooked up a system. I also found out the love hate relationship each z has with its owner.

I soon became an hourly craigslist auto parts section browser even though the car ran and didn't need anything to serious .

i started to see myself became a hoarder. i soon began my stockpile of parts and tools. i soon came to realize that i needed a emergency roadside tool kit which involved nothing short of a engine hoist and motor stand.

soo fast forward again to month and a bit ago i was noticing the transmission which is automatic for those who may have missed it was acting up and if felt like it wasn't fully going into gear and i was having to go heavy on the accelerator to get any pull out of her. I did some tinkering around and looked on all the forums and i came to the conclusion that i was having tps issues and needed to replace the current one and get it pro tuned. I never made it home that night. I was out in south surrey and after having only one run up to whistler bc on my new shocks had the motor shut down on me stuck in gear and not budging . i managed to get it off the road and me and my buddy jumped it and heard the banging of a rod bearing or lack there of..... so i got it towed to my underground and started the long tedious process of pulling everything off and bagging and tagging it all and beginning to repair the damage.


Now, to my question...


How do I come up with the correct bearings to order i used the plastiguage and i got a reading from front to back o.oo2 , 0.0015, 0.002, 0.0015

my markings on the crank are F 1 1 1 1

the markings on the block are 2 2 2 2

i am stuck and could use some help. thanks for the help and thanks for having these forums...\

Zak

     
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