time for 68 engine swap.
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Elder User
Joined: Sep 2007
Posts: 521
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From: new mexico
time for 68 engine swap.
after 39 years...
eb has 289.
have a r.built fresh 302 bought couple of years ago.
"think" out of a mustang. but cant tell.
know it will bolt up...but..concerned about balancing.
289 is bolted to 3 speed standard and want to keep it.
so.
how do i tell what balancing issues i might have...
thanks
eb has 289.
have a r.built fresh 302 bought couple of years ago.
"think" out of a mustang. but cant tell.
know it will bolt up...but..concerned about balancing.
289 is bolted to 3 speed standard and want to keep it.
so.
how do i tell what balancing issues i might have...
thanks
New User
Joined: Sep 2007
Posts: 2
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Ford changed the crank "im-balance" from 28 oz to 50 oz. Which makes the flywheel/flexplate and harmonic damper crank-specific. You can't use your original balancer or flywheel with a late-model crank. I think 86 and up 302 used the 50oz and 85 and down used the 28oz. So I guess it just depends on what year motor you have. Other than that I don't see too many problems using your original 3speed. I would buy a good name brand clutch and bolt her all up.
Last edited by Kidney; Sep 20, 2007 at 09:54 PM.
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Elder User
Joined: Sep 2007
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From: new mexico
the new engine has a flex plate.
it is also "not" fuel injected.
guessing that since the guy i bought it from had plenty of 71-72 mustangs laying around his back yard....just guessing...was for one of those..
was part of a "package" deal. buy his 72 bronc get the other engine...
72 was toooo rough but kept the engine.
it is also "not" fuel injected.
guessing that since the guy i bought it from had plenty of 71-72 mustangs laying around his back yard....just guessing...was for one of those..
was part of a "package" deal. buy his 72 bronc get the other engine...
72 was toooo rough but kept the engine.
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Joined: May 2007
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I have an 83 out of a mustang and it is 50oz ballance. i think this is first year of 50 oz.
Look above the starter to find casting number and year made.
Number should look like this 7A12 (7 is year- A is Jan.-12 is the day, Jan 12 1967)
If it was a 77 engine i think it would have a one piece rear main seal.
If it was 87 it would be fuel injected. Hope this helps
Look above the starter to find casting number and year made.
Number should look like this 7A12 (7 is year- A is Jan.-12 is the day, Jan 12 1967)
If it was a 77 engine i think it would have a one piece rear main seal.
If it was 87 it would be fuel injected. Hope this helps
Senior User
Joined: May 2007
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The date code should be just above the numbers on the block.
Did you find these above the starter?
Another place to look for a date code is on the top front of the block right where the timing chain cover meets the block on driver side, there is a flat spot right over the water port, if the block has never been decked.
I will try to find a pic.
Did you find these above the starter?
Another place to look for a date code is on the top front of the block right where the timing chain cover meets the block on driver side, there is a flat spot right over the water port, if the block has never been decked.
I will try to find a pic.
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Senior User
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Look at this picture, just above the numbers they have white you can see the date code.(can't really see them but you can tell something is there)
http://www.classicmustang.com/casting_numbers.htm
http://www.classicmustang.com/casting_numbers.htm
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Elder User
Joined: Sep 2007
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From: new mexico
ok
did not look in the right place
ok nothing above the starter.
nothing above the water inlet port drivers
there is a
6
_
30
on the passenger side below water inlet.
looks like i need to pull the intake....
loos there huh.
did not look in the right place
ok nothing above the starter.
nothing above the water inlet port drivers
there is a
6
_
30
on the passenger side below water inlet.
looks like i need to pull the intake....
loos there huh.
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Elder User
Joined: Sep 2007
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From: new mexico
ok
intake off
inside
xxx
80 ford 12
xx
on the very back of the block where the block was machined for the intake is
cb107451
i took the engien out of the shop and into teh light so i could do a natural day lite exam.
there are no raised letters that were cast other than the ones i mentioned before.
intake off
inside
xxx
80 ford 12
xx
on the very back of the block where the block was machined for the intake is
cb107451
i took the engien out of the shop and into teh light so i could do a natural day lite exam.
there are no raised letters that were cast other than the ones i mentioned before.
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Elder User
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From: new mexico
as richard pryor once said
"what the hell we got here Margo"
anyway
6 valve cover bolts
timing cover which is not installed. has side to side blots.
fe collectors should stay with what they know huh.
all i wanted to try to do is fresh up my 68 and make a better winter drive when i bring it home from the lake we have here.
"what the hell we got here Margo"
anyway
6 valve cover bolts
timing cover which is not installed. has side to side blots.
fe collectors should stay with what they know huh.
all i wanted to try to do is fresh up my 68 and make a better winter drive when i bring it home from the lake we have here.