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Author Topic: 2.8 V6 rebuild  (Read 9192 times)

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Offline flash041

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2.8 V6 rebuild
« on: February 09, 2011, 10:13:49 PM »
Now that my transmission is done its time to rebuild the engine.It runs fine but has low oil pressure. At the least Ill put in new rings and bearings. I dont know if it will need to be bored and have new pistons untill I get it apart.Any one else rebuild a 2.8? What did you find? Where did you get the parts? Mine has about 130 k on it.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible


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Offline dave1987

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Re: 2.8 V6 rebuild
« Reply #1 on: February 10, 2011, 12:00:02 AM »
While my 78 doesn't have a V6, I did rebuild my 2.3 before I rebuilt it. It had 143k on it.

We bored it out .026 if I recall correctly, all new parts including pistons and cam. Was about $800 for my cousin to help with the machine work.
1978 Ford Pinto Sedan - Family owned since new

Remembering Jeff Fitcher with every drive in my 78 Sedan.

I am a Pinto Surgeon. Fixing problems and giving Pintos a chance to live again is more than a hobby, it's a passion!

75bobcatv6

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Re: 2.8 V6 rebuild
« Reply #2 on: February 10, 2011, 01:53:40 AM »
my father did the one on my old bobcat.( Sold recently) he just bought a master rebuild Kit (was around 300 back then) other then that i cant help much.

Offline skunky56

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Re: 2.8 V6 rebuild
« Reply #3 on: February 10, 2011, 04:17:01 PM »
I rebuilt mine, parts are easy to find in master kits ,a little match porting and careful assembly goes a long way. mine is much faster than my 2.0s or2.3s. I also have a L4OD that I would love to adapt. Any thoughts?












Paul
77 Starsky/Hutch 2.3 Turbo A4OD Sunroof
78 Wagon V6 C3

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #4 on: February 10, 2011, 05:28:05 PM »
I have everything disconnected  except the fuel line. Now its to the rental store and get a hoist.I plan to do it tomorrow or Saturday. sunky did you have to bore the cylinders , or were they within specs? I already know that I have to have the crank ground, or get a kit already done with the bearings.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline skunky56

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Re: 2.8 V6 rebuild
« Reply #5 on: February 10, 2011, 10:22:21 PM »
No bore, mine had 70k on it, one cracked head (from overheating at one time).
Alberto and Mario helped me out by finding me a good head, it took 4 of them to make it happen, most were cracked. Remember that engine was also in the Ranger/Bronco/Capri etc. All engine parts are out there.  You will be pleased with the performance of the 2.8 it flat out rocks. Keep up the good work!
77 Starsky/Hutch 2.3 Turbo A4OD Sunroof
78 Wagon V6 C3

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #6 on: February 11, 2011, 07:47:28 AM »
My heads should be good, it has never leaked anti freeze. Although I did get it hot two years ago.I had just got off the interstate and noticed it pinging, looked down at the temp gauge and it was pegged! The new fan belt had failed! I shut it off and coasted into a McDonalds , walked to a parts store and got a new belt.It seems fine , so Hopefully my heads are good. Did you a performance cam, or leave it stock?
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #7 on: February 11, 2011, 05:46:37 PM »
Got the engine out and apart! Looks really empty in the engine bay. Good news is there is no ridge in the cylinders, but there are a few vertical scratches and the cylinders and pistons.I am taking it to an engie shop I deal with to see what he thinks. I dont think it that bad.The cam bearings , were, as I suspected, wore into the copper.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #8 on: February 16, 2011, 09:59:10 PM »
Dropped the block off at the machine shop to get it cleaned and measured.As it looks right now it should not have to be bored and I can use my original pistons. Ill know within a week.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

75bobcatv6

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Re: 2.8 V6 rebuild
« Reply #9 on: February 16, 2011, 10:07:07 PM »
Dropped the block off at the machine shop to get it cleaned and measured.As it looks right now it should not have to be bored and I can use my original pistons. Ill know within a week.
Good luck man hope all goes well with her.

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #10 on: February 16, 2011, 10:49:34 PM »
thank you! Cant wait till I get it going again.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #11 on: March 02, 2011, 04:40:24 PM »
Still waiting for the machine chop to finish the block. Today I picked up a reman crank and performance cam shaft fron a locak "Pinto Guy" that was rebuilding a V6 years ago,but never finished it. So I am hoping this weekend to start putting it back together
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline skunky56

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Re: 2.8 V6 rebuild
« Reply #12 on: March 03, 2011, 02:36:49 PM »
77 Starsky/Hutch 2.3 Turbo A4OD Sunroof
78 Wagon V6 C3

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #13 on: March 11, 2011, 09:08:49 PM »
I got the block back from the machine shop last Friday. They put it in the cleaning tank, honed the cylinnders, cleaned the pistions , reconditioned the rods , and put in new cam bearings. I got it home and started putting the crank in.I got the crank and cam from a friend with Pintos that lives close by.He bought them 15 years ago and never finished the project.I put the mains and crank in , no problem.I installed the first piston and bearing, and The Crank would not turn! I tried # 2 piston same thing.I looked at the box the crank came in . .010 .010 was written on the box. I checked the mains , the were .010 , but the Rods were .020! I ordered .010 rod bearings , and now all 6 pistons are in and it truns over fine1
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline dave1987

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Re: 2.8 V6 rebuild
« Reply #14 on: March 12, 2011, 02:48:07 AM »
Looking good! What's the white putty looking stuff in your water passages though?

It needs paint! :D
1978 Ford Pinto Sedan - Family owned since new

Remembering Jeff Fitcher with every drive in my 78 Sedan.

I am a Pinto Surgeon. Fixing problems and giving Pintos a chance to live again is more than a hobby, it's a passion!

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #15 on: March 12, 2011, 07:55:19 AM »
Thank you! The "white putty" around the cylinders is assembly lube. The water passages are a light yelloish, dye residue from the antifreeze I assume.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline popbumper

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Re: 2.8 V6 rebuild
« Reply #16 on: March 12, 2011, 10:01:00 AM »
Awesome. Love the "nth detail" of doing everything you can. I am not rebuilding my block but with only 65k original miles, no real need.
 
Chris
Restoring a 1976 MPG wagon - purchased 6/08

Offline dave1987

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Re: 2.8 V6 rebuild
« Reply #17 on: March 12, 2011, 12:03:18 PM »
Odd that any residue would still be present after hot tanking. I don't recall seeing any of that after my 2.3 was done.

Build is coming along well, can't wait to see more pix! :D
1978 Ford Pinto Sedan - Family owned since new

Remembering Jeff Fitcher with every drive in my 78 Sedan.

I am a Pinto Surgeon. Fixing problems and giving Pintos a chance to live again is more than a hobby, it's a passion!

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #18 on: March 12, 2011, 11:40:19 PM »
Yea I do not know why it did not clean that , but its ok. Today I installed the rear main seal, flexplate ,and timing gears.One tip, dont forget the spacer washer at the end of the cam! I tightened the cam gear and the engine turned over very hard. I looked at the old cam and noticed the spacer.I took off gear and installed it on the new cam.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #19 on: March 16, 2011, 08:12:25 PM »
Got the front cover, oil pump, oil pan, heads and rockers in!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #20 on: March 19, 2011, 09:41:29 AM »
Just waiting on one o-ring for the oil filter adapter, then its ready to mate to the transmission and set back in! Thats after I clean up a little rust in the engine compartment.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #21 on: March 19, 2011, 10:39:20 PM »
Tonight I thought id take the starter apart to see if the brushes were ok.It worked when I pulled the engine. When i took to apart I found one brush holder was broken, and the brush was just laying inside disconnected from its wire! its amazing that it even worked.Time to order a new starter. I plan to have the engine and trans in by next weekend.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #22 on: March 25, 2011, 03:43:42 PM »
Getting back at it. i was going to paint the engine bay, but time is too short. So today I joined the transad engine and ...they are In ! It was realy easy and plenty of room.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #23 on: March 26, 2011, 01:20:14 PM »
ITS RUNNING!!!!!!!!!!!!!!!!!! its quiet and smooth, and the trans goes right into gear!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline vonkysmeed

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Re: 2.8 V6 rebuild
« Reply #24 on: March 26, 2011, 01:35:04 PM »
great job.  always a good sound
73 Pinto Runabout
351w from 74 galaxie
Heads from 69 Mercury Cougar
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Offline flash041

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Re: 2.8 V6 rebuild
« Reply #25 on: March 26, 2011, 07:49:01 PM »
Thank you. After running for a few mins the short rubber fuel hose after the fuel pump sprang a leak. Also a little anti freeze leak at the upper hose where it connects to the intake . I replaced the fuel line and tighted the rad hose. Tomorrow I will let it run for a while, even take it for a short spin to make sure the transmission is shifting fine. Cant Wait!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #26 on: March 29, 2011, 05:47:37 PM »
took it out for the first time at highway speed today. Running good! Have a few small issues to button up.Tomorrow I plan to drive it all day. Got to get it broken-in before the Stampede!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline dave1987

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Re: 2.8 V6 rebuild
« Reply #27 on: March 29, 2011, 09:44:57 PM »
Awesome news! You have a brand new Pinto again now! Inside AND out! :D

Is it shifting without any issues now?

I'm planning to rebuild my 73's C4 transmission soon but want to be sure that rebuilding it will actually work for the 2-3 shift flare. I remember you having issues with yours before all of this work.
1978 Ford Pinto Sedan - Family owned since new

Remembering Jeff Fitcher with every drive in my 78 Sedan.

I am a Pinto Surgeon. Fixing problems and giving Pintos a chance to live again is more than a hobby, it's a passion!

Offline flash041

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Re: 2.8 V6 rebuild
« Reply #28 on: March 30, 2011, 10:07:03 PM »
I put on about 250 miles on the car today. I have three main issues to deal with.
 
1st
    I replaced the power steering pum with a reman after I broke the plastic nipple off on the return line.I replace all hoses, and now the pump is VERY noiey at times.Mainly when I rev it up and trun.I may just have to return the pump and try another one.
 
2nd
 
    The front engine oil seal is leaking.I tried putting in another, same result. The front cover appears to be shifted off center to the right side of the engine.The crank stub is not centered in the hole where the seal goes. I may have to remove it and try to get it centered more. Any Ideas or has any one else had thei problem?
 
3rd
 
      All gears work on the transmission, but. It will shift 1st to 2nd to 3 fine, but when I come to a stop it does not go back to first.It is still in 3rd or 2nd. If I manually  put it into 1st then back to drive , it shifts throught the gears fine till the next time I stop.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

Offline dave1987

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Re: 2.8 V6 rebuild
« Reply #29 on: March 31, 2011, 10:22:12 PM »
Not sure about the P/S question or the oil leak, but...

For the transmission, try adjusting the downshift linkage. There is a long fine thread screw on the linkage by the carburetor used to adjust the downshift linkage. I did this on my station wagon and it downshifts like a dream. I just can't get the car into third gear until it drives a quarter mile in second gear, and the 1-2 shift is a bit hard.
1978 Ford Pinto Sedan - Family owned since new

Remembering Jeff Fitcher with every drive in my 78 Sedan.

I am a Pinto Surgeon. Fixing problems and giving Pintos a chance to live again is more than a hobby, it's a passion!


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