240Z, 260Z, 280Z (S30) Forums Dedicated to first generation ZCars

Engine Rebuild

Old 03-12-2005, 10:58 PM
  #1  
Registered User
Thread Starter
 
Fast240Z's Avatar
 
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 833
Engine Rebuild

hey all, I'm going to be doing a complete engine rebuild, since I froze my motor (spun a crankshaft bearing, scored the crank and piston rod, to get just the crank fixed is $400, and I can get a whole lower end and head for $200 from Zparts.com). I'm trying to make sure that I've got all of the parts I need to rebuild my motor. I am changing out the crank and piston connecting rods for all pistons. For the block, I am going to need: crankshaft main bearings, rod bearings, piston rings, crankshaft rear oil seal, oil pan gasket, water outlet gasket, and a front cover gasket set. For the head, I am going to need: a head gasket, intake/exhaust gaskets, and a valve cover gasket. If anyone knows of anything else that I am going to need to finish this rebuild, please let me know!

Oh, and I want to get a new radiator, maybe even an aluminum radiator (my Z loved to overheat before I froze the motor), any suggestions of a good company to go with?

Also, what is the name of the tool that I need to use to "hone" out my cylinder before I put the pistons back in?

Last edited by Fast240Z; 03-14-2005 at 10:57 AM.
Fast240Z is offline  
Old 03-14-2005, 05:45 PM
  #2  
I have a present for you...
 
theramz's Avatar
 
Join Date: Mar 2003
Location: dayton, nevada usa
Posts: 1,691
You can't put new bearings on a used crank. Since you will have to regrind it anyway you might as well grind your old one. Same with the head, yours is an E-88.
MSA 3 row radiator $200, I have one and my car never gets hot.
Engine rebuild gasket sets on eBay.
Cylinder hone.
theramz is offline  
Old 03-15-2005, 11:57 PM
  #3  
Registered User
Thread Starter
 
Fast240Z's Avatar
 
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 833
local engine shop said that I could get the new crank micropolished and then used new bearings on it...any idea how much a micropolish would cost? By new, I mean replacement.
Fast240Z is offline  
Old 04-01-2005, 07:53 AM
  #4  
Registered User
 
TEDS280Z's Avatar
 
Join Date: Aug 2004
Posts: 64
I'm having my 280 completly rebuilt for $1350.00 at a local machine shop. I am using a 260 crank for replacement but found out that the 240 crank is in a class of its own. That amount is if everything is rebuildable. Only the crank whent bad on mine. Youwill need machining done and this is cheeper then me doing it myself.
TEDS280Z is offline  
Old 04-01-2005, 08:05 AM
  #5  
Registered User
 
Rotten Robby's Avatar
 
Join Date: Mar 2005
Location: Fair Oaks, CA
Posts: 20
Hey Fast240Z, Why not run out to PickandPull in Rancho Cordova and pull yourself a 2.8 from a ZX ditch the EFI and head, have the bottom freshened up with rings bearings and put it back together?
It sounds like your doing at least some of the work on your own??? What machine shop have you talked to? What part of Sacramento are you in?
Rotten Robby is offline  
Old 04-01-2005, 11:39 AM
  #6  
Registered User
Thread Starter
 
Fast240Z's Avatar
 
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 833
I live in Sacramento, right on the line between Sacramento and Elk Grove. I was thinking about going to Pick N Pull on Recycler Road, but I had to make a decision: Blow $170 dollars on a motor, or spend 170 on my girlfriend for her birthday. She's telling me to spend it on the car (yeah, I know, I'm lucky), but she's a priority in my life, so she gets the money instead. I decided to stick with the original block that I've got from my Z, because I really like the way that my Z used to run, and I want to have that back. I know I could just drop in a ZX motor and get more bang for the buck, but I've got this weird obsession with staying stock. Hell, my buddy has a full race '67 Corvette engine (283, I believe) with dished pistons and the works, and he was going to GIVE it to me to do a V8 Swap, but that's still not something I wanted to do.

Oh, and the engine shop I talked to was Crackaway Engine in Elk Grove. They just gave me a rough quote, but I'd rather rebuild it myself for $400 than have them do it for $1300 or so. I like the feeling of fixing my car and knowing that I fixed it myself.

Last edited by Fast240Z; 04-01-2005 at 11:42 AM.
Fast240Z is offline  
Old 04-02-2005, 10:02 PM
  #7  
Registered User
Thread Starter
 
Fast240Z's Avatar
 
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 833
hey, if all goes well, I'm going to go pull a motor tomorrow, my dad said he'd pay for it!
Fast240Z is offline  
Old 04-05-2005, 06:47 AM
  #8  
Registered User
 
Rotten Robby's Avatar
 
Join Date: Mar 2005
Location: Fair Oaks, CA
Posts: 20
I have an engine stand if you need it...

Let me know if you need it. Makes it easier to build.
Rob
Rotten Robby is offline  
Old 04-06-2005, 10:16 AM
  #9  
Registered User
Thread Starter
 
Fast240Z's Avatar
 
Join Date: Jun 2004
Location: Sacramento, CA
Posts: 833
thanks for the offer, but I didn't find a Z motor in any of the 3 Pick N Pull's around here. I'm going to have to go with my original idea of buying a short block from Zparts.com, but I've got to find some money in order to do that. My bitch *** neighbor who has a stick up her *** just called in the tags on my datsun since they were expired, and now I have a $240.00 parking ticket on top of my speeding ticket I will be getting in the mail...god I'm screwed.
Fast240Z is offline  
Old 04-06-2005, 07:27 PM
  #10  
Registered User
 
DoTheDrew888's Avatar
 
Join Date: Mar 2004
Posts: 579
Buy an engine rebuild gasket set and you will need a new water pump. Also, while you are in there you should replace the timing chain. Take the head, crank (dont forget the mains and main bolts), and block to a machine shop to get polished and cleaned. My engine rebuild is costing about $500 for non-modifacation stuff. Good luck.
DoTheDrew888 is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Gingie
300ZX (Z32) Performance / Technical
1
04-25-2013 06:14 PM
greg416
280ZX Performance / Technical
33
02-04-2012 10:00 AM
DoTheDrew888
280ZX (S130) Forums
11
04-07-2005 09:28 PM
NISMOGuy280
300ZX (Z32) Performance / Technical
1
09-26-2002 09:24 PM
rlh1
240Z, 260Z, 280Z (S30) Forums
0
03-23-2001 04:25 PM


Thread Tools
Search this Thread
Quick Reply: Engine Rebuild



All times are GMT -7. The time now is 04:33 AM.