Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Engine Swap

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Old Jun 22, 2006 | 06:31 PM
  #1  
DougandNate's Avatar
DougandNate
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Joined: Jun 2006
Posts: 1
Default Engine Swap

We're considering pulling the 6 cylinder engine out of my son's 68 and putting in the 289 v8 from my 67. The 68 has a manual tranny and the 67 is an automatic. Are we nuts? Is this doable for a couple of shade tree mechanics? Any tips on where we can go to learn what we'll need to have and know to do this?
Old Jun 22, 2006 | 10:22 PM
  #2  
mustanglover66's Avatar
mustanglover66
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Joined: Mar 2006
Posts: 1,261
From: Concord, NC
Default RE: Engine Swap

Its really no big deal you'll just have to change the bellhousing and flexplate, keeping it auto trans is the easyest way to go
Old Jun 23, 2006 | 09:26 AM
  #3  
rwh129's Avatar
rwh129
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Joined: Mar 2006
Posts: 1,041
From: PA
Default RE: Engine Swap

good luck with your project
usually the hardest part is finding the parts but since you have everything it should be simply
Old Jun 23, 2006 | 10:52 AM
  #4  
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slickman
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Joined: Dec 2005
Posts: 2,634
From: SC
Default RE: Engine Swap

That swap should be easy, the only thing you need to check is the pilot bearing on the crank to make sure they are the same. Worst case, you will need to install a new one to match the tranny. The other thing to keep in mind is, all you're suspension parts are for a 6 cyl so, that would need to be addressed as well.

ORIGINAL: DougandNate

We're considering pulling the 6 cylinder engine out of my son's 68 and putting in the 289 v8 from my 67. The 68 has a manual tranny and the 67 is an automatic. Are we nuts? Is this doable for a couple of shade tree mechanics? Any tips on where we can go to learn what we'll need to have and know to do this?
Old Jun 23, 2006 | 11:55 AM
  #5  
Soaring's Avatar
Soaring
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Joined: Oct 2004
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Default RE: Engine Swap

Here, do some reading. There's more to it than meets the eye.
http://www.geocities.com/a65ragtop/V.../i6_to_v8.html
Old Jun 23, 2006 | 01:08 PM
  #6  
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acidrain088
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Joined: Sep 2005
Posts: 175
Default RE: Engine Swap

i would replace the rear end and the brakes. the originial rear in 6 cyls cant handel mutch ahd have different gearing.
Old Jun 23, 2006 | 01:46 PM
  #7  
farkedup's Avatar
farkedup
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Joined: Mar 2006
Posts: 288
From:
Default RE: Engine Swap

mine was originally a 6cyl and the rearend is holding up well bu the front suspension was replaced. I'm going 5 lug rims once I get the time to do the front disc brakes and finish cleaning up the 9" Rear I have
Old Jun 23, 2006 | 01:57 PM
  #8  
Soaring's Avatar
Soaring
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Joined: Oct 2004
Posts: 17,565
From:
Default RE: Engine Swap

If you still have the original rear, it would be a 7.5......not a 9 inch.
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