rebuild engine vs used engine - Ranger-Forums - The Ultimate Ford Ranger Resource


New Ideas Have a new idea for your Ford Ranger? General discussion of new ideas for the Ford Ranger.

Reply
 
LinkBack Thread Tools Search this Thread
  #1  
Old 01-28-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
Icon6 rebuild engine vs used engine

here whats going on my truck needs a new engine or a least a rebuild theres horrible rod knock bottom end thing that just happened the truck has not gone any where since this started i was going to rebuild the engine myself in auto shop at my college that way it would be done right i have a few questions first i was thinking i would grab a cheapey engine and drop it in while i rebuild this one that way i am not rushed and since this is my only car i need it running again asap
second what parts would you guys upgrade to increase dependablty and stuff like that i am trying to keep it on the low cost side i am looking to spend like $400 to 600 on the rebuild ay suggestions
this is my first complete engine rebuild i have in the past just replaced parts like engine swap and tranny swapped and suppesion repairs so any tips would be awesome
reminber trying to keep it a low cost repair

thanks schooney
Reply With Quote
  #2  
Old 01-28-2011
04RangerDave's Avatar
JDM> RANGER

iTrader: (3)
 
Join Date: Jul 2010
Location: RI
Posts: 5,030
i wouldnt waste your $ and time pulling a motor at a JY then pulling yours putting the ****ty one in....finding out its got a bigger issue, then putting yours back in. just my $0.2. id just fully rebuild your 2.5? paint the block and clean the engine bay up nice
Reply With Quote
  #3  
Old 01-28-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
the issue is i cant be with out a car for more then a few days and this is going to me longer then that at the community college or that is what i would do
Reply With Quote
  #4  
Old 01-28-2011
04RangerDave's Avatar
JDM> RANGER

iTrader: (3)
 
Join Date: Jul 2010
Location: RI
Posts: 5,030
4.0 swap
Reply With Quote
  #5  
Old 01-28-2011
j99ranger4x4's Avatar
Member
iTrader: (5)
 
Join Date: Sep 2008
Location: Delaware, OH
Posts: 1,381
Best thing u can do is decide what u wanna replace ahead of time order your parts ahead of time so your not waiting on parts and recruit someone who is experienced to help guide u along and it should only take a few days depending on how experienced u r w wrenching.
Reply With Quote
  #6  
Old 01-28-2011
Lord Of War's Avatar
Member
iTrader: (2)
 
Join Date: Jan 2006
Location: Thornton, Colorado
Posts: 4,599
Quote:
Originally Posted by j99ranger4x4 View Post
Best thing u can do is decide what u wanna replace ahead of time order your parts ahead of time so your not waiting on parts and recruit someone who is experienced to help guide u along and it should only take a few days depending on how experienced u r w wrenching.
Agree 100%
Reply With Quote
  #7  
Old 01-28-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
the issue is i dont know what bad in the motor til i tear it apart
Reply With Quote
  #8  
Old 01-29-2011
cheese_man's Avatar
Member
iTrader: (1)
 
Join Date: Nov 2009
Location: arthur
Posts: 2,100
it would be in your best interest to find another 2.5 engine and rebuild that 1

keep your original engine in it now and use it until the backup engine is ready
never scrimp on junk yard parts even engines you just never know what you got yourself into until it is too late.

take your time and rebuild the backup engine properly
Reply With Quote
  #9  
Old 01-29-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
i have decieded i am going to rebuild the current motor since it still runs and i know whats the history of it and the vins will match up plus i can just deal with bus for a month its not that bad and i also can borrow a friends car when need be since they are in florida and i am car watching for them i already asked so now any suggestions on dos and donts of a engine rebuild
Reply With Quote
  #10  
Old 01-29-2011
j99ranger4x4's Avatar
Member
iTrader: (5)
 
Join Date: Sep 2008
Location: Delaware, OH
Posts: 1,381
anything that moves can be replaced, and probably should. gaskets, bearings etc, you can always return the parts if u decide not to use them.
Reply With Quote
  #11  
Old 01-29-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
mind giving me a list of what parts move
i am doing this in engine class i dont know much about the insides ofengine in practical application i am book smart but not experenced in the interanls thanks
Reply With Quote
  #12  
Old 01-29-2011
j99ranger4x4's Avatar
Member
iTrader: (5)
 
Join Date: Sep 2008
Location: Delaware, OH
Posts: 1,381
piston rings, bearings (main and rod), gaskets, pushrods, valves, etc. Check for wear and tear in cylinder walls, on the crank etc.
Reply With Quote
  #13  
Old 01-29-2011
cheese_man's Avatar
Member
iTrader: (1)
 
Join Date: Nov 2009
Location: arthur
Posts: 2,100
also get the crankshaft bearing caps aligned honed ( crucial for long engine life )
also make sure that you use duralube in the engine oil once before the engine is ready to be fired up
it reduces the friction of moving internal engine parts
check your egr feed pipe for blockage as well as your egr valve for major carbon deposits
( replace if beyond hope ) clean the inside of your intake manifold ( have the mounting surface machined flat as well as the exhaust manifold ( replace exhaust mounting studs too )
its the little things a lot of people forget about.
install a new carb ( old 1 is probably worn out anyway )
Reply With Quote
  #14  
Old 01-29-2011
SkidPlate's Avatar
Member
 
Join Date: Sep 2010
Location: La Crete , Alberta
Posts: 43
Quote:
Originally Posted by schooney View Post
the issue is i cant be with out a car for more then a few days and this is going to me longer then that at the community college or that is what i would do
If you don't have the time I would call someone like jasper or an engine rebuilder you like and order a rebuilt engine. To do a proper engine rebuild it takes several days or even a couple weeks by the time you get your block, heads, crank and cam cleaned and checked out.

Quote:
Originally Posted by j99ranger4x4 View Post
Best thing u can do is decide what u wanna replace ahead of time order your parts ahead of time so your not waiting on parts and recruit someone who is experienced to help guide u along and it should only take a few days depending on how experienced u r w wrenching.
ordering parts before you tear down could end up costing you money in restocking fees.

Quote:
Originally Posted by schooney View Post
the issue is i dont know what bad in the motor til i tear it apart
This is the reason you don't preorder parts.

Quote:
Originally Posted by cheese_man View Post
also get the crankshaft bearing caps aligned honed ( crucial for long engine life )
also make sure that you use duralube in the engine oil once before the engine is ready to be fired up
it reduces the friction of moving internal engine parts
check your egr feed pipe for blockage as well as your egr valve for major carbon deposits
( replace if beyond hope ) clean the inside of your intake manifold ( have the mounting surface machined flat as well as the exhaust manifold ( replace exhaust mounting studs too )
its the little things a lot of people forget about.
install a new carb ( old 1 is probably worn out anyway )
Your machine shop should recommend an align bore if your block is out of spec. If you feel it necessary you can check the mating surface on the intake manifold with a straight edge and feeler gauge. That should be done in a X or criss cross pattern.

The Haynes repair manual for you truck has a lot of good information on how to rebuild an engine. they have all the specs and they show you how and where to measure the engine components. I wouldn't be afraid to take on the task of rebuilding my own engine but if you are pressed for time then ordering from a rebuilder is a good option plus should anything go wrong there is a warranty on their engine. If you rebuild it and it blows up on you you can look forward to getting more engine rebuilding experience.
Reply With Quote
  #15  
Old 02-02-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
i have spent the past 4 hr poking around the engine carpartment and i think its the timing belt tensioner making the racket i have about 1/2 to 5/8 of a inch of deflection on the timing belt which i think is a way to much the drivline belt or what ever its called have only like 1/16 of a inch of delfection so tomorrow i am going to replace the timming belt and tensioner and see if the noise goes a way
Reply With Quote
  #16  
Old 02-02-2011
ranger4.0's Avatar
Member
iTrader: (1)
 
Join Date: Jul 2009
Location: cambridge, ontario
Posts: 3,922
Quote:
Originally Posted by schooney View Post
i have spent the past 4 hr poking around the engine carpartment and i think its the timing belt tensioner making the racket i have about 1/2 to 5/8 of a inch of deflection on the timing belt which i think is a way to much the drivline belt or what ever its called have only like 1/16 of a inch of delfection so tomorrow i am going to replace the timming belt and tensioner and see if the noise goes a way
this is an excellent example of why you need to get things checked out by a professional or someone with experience before you go jumping to conclusions. i am not picking on you, just making a general statement.
i work on transport trucks everyday for work and cars as a side gig on my weekends. i constantly have little old ladies and macho "car" guys self diagnosing and telling me what is wrong and how to fix it and 80% of the time they are wrong.



do your self a favour and have it checked out before you spend too much on it
Reply With Quote
  #17  
Old 02-02-2011
morris's Avatar
RF Veteran
iTrader: (5)
 
Join Date: Feb 2008
Location: South Detroit.
Posts: 7,833
what engine do you have? did i miss it's location?

if it's a 4 banger, look into turbos. might as well make the tear down worth it.....
Reply With Quote
  #18  
Old 02-02-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
4 banger and i had it looked at by the ford dealer 4 mechanics and about 6 guys that have way more experience with engines then i do. this is the first time i personally spent more a few mins trying to locate the location of the sound coming from the engine all the other people that looked at said its the bottom end but i think the sound is coming from the front end i figure what do i have to lose i can reuse the belt and tensioner on my new engine if this is not the reason

Last edited by schooney; 02-02-2011 at 03:15 AM.
Reply With Quote
  #19  
Old 03-02-2011
Member
 
Join Date: Mar 2011
Location: Williston, Vermont
Posts: 2
I would just spend my $ in rebuild engine instead of used engine because you will also need to rebuild the used engine. Right?
Reply With Quote
  #20  
Old 03-06-2011
Level III Supporter
iTrader: (2)
 
Join Date: Nov 2010
Location: Maine
Posts: 1,220
Wirelessly posted (Blackberry 8530)

So did the tensioner take care of it, or are you still chasing it?
Reply With Quote
  #21  
Old 03-06-2011
Member
Thread Starter
 
Join Date: Jan 2011
Location: long beach ca
Posts: 47
heres what happened i was driving it to a friends mechanic and the engine blew to pieces the piston that was making the knocking went thru the oil pan there is now a 4 inch hole in the oil pan where you can see the piston from the pan so it needs a new engine so i guess it was not the tensioner lol
Reply With Quote
  #22  
Old 03-06-2011
RLong31's Avatar
The Ban Hammer
iTrader: (5)
 
Join Date: Jul 2009
Location: Monrovia, IN
Posts: 2,629
Bummer dude. Now you are without a truck after all. I say screw another 4 banger... throw in a 5.0. Unless you're concerned about gas mileage.
Reply With Quote
  #23  
Old 03-11-2011
96AmericanRanger's Avatar
Member
 
Join Date: Jan 2011
Location: Cape Neddick, ME
Posts: 8
i rebuild a wankle engine and it was a struggle. Just about same experience as you and it took a couple months. It was huge overhaul and cost way more than expected. Get an estimate from a local shop for the rebuild, and if it sounds good go for it. If you really want the experience of rebuilding an engine (which is worth it) you are going to suffer without the truck for a while, but it is worth it.
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
87 Ranger engine rebuild 87xlt Project Logs 41 11-29-2014 01:10 AM
eBay / Craigslist Find: Used Alcoas, Brand new 15inch deer toes, Used MT Polished Classic IIs for CHEAP -OHIO Masteratarms93 eBay & Craigslist Finds 7 05-09-2011 10:07 PM
Rebuild or buy used trans? EricRanger Drivetrain Tech 14 01-27-2010 04:28 PM
Nagging Engine Problems / Rebuild 94greenmachine Project Logs 8 08-25-2007 08:58 PM
Engine Rebuild, Or Swap? spec_ops57 General Ford Ranger Discussion 8 03-06-2006 03:51 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 06:12 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.