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PostPosted: Thu May 07, 2015 1:01 pm 
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4 BBL ''Hyper-Pak''
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Joined: Sun Dec 28, 2014 7:33 pm
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Location: Caledon
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Does anyone know if the two are interchangeable?( will heads, intake/ exhaust manifolds etc etc) or how I can find out if they are. I'm assuming they are but am not certain.
I found an engine/auto trans on line for $250. It turns but hasn't started in years. Thinking of rebuilding it so I can still drive my Dart.
Can anyone see any drawbacks to doing a complete rebuild of the 67 /6 then dropping it in my 73 ?
Would it be advisable to keep one as a spare?..Not sure if this is a concern where others live, but wreckers around me don't keep anything more then 15 years old, so if my slant bites it, I'm SOL.

Thanks in advance


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PostPosted: Thu May 07, 2015 1:22 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
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Location: Portland-ish
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The '67 crank won't accept your '73 torque converter as the hole in the crank is too small. You can swap in the engine/trans together no problem. Almost everything else interchanges.

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Joshua


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PostPosted: Thu May 07, 2015 2:30 pm 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
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Location: Fircrest, WA
Car Model: 76 D100
You could swap cranks between the 73 and 67 engines or get the 67 crank machined to the larger diameterwhile the motor is being rebuilt.


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PostPosted: Thu May 07, 2015 4:27 pm 
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4 BBL ''Hyper-Pak''
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Joined: Sun Dec 28, 2014 7:33 pm
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Location: Caledon
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The '67 crank won't accept your '73 torque converter as the hole in the crank is too small. You can swap in the engine/trans together no problem. Almost everything else interchanges.
thank you...would one motor/tranny have any advantage over the other if a total rebuild was going to done?..


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PostPosted: Thu May 07, 2015 5:23 pm 
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Joined: Tue Oct 29, 2002 8:27 pm
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Location: Salem, OR
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would one motor/tranny have any advantage over the other if a total rebuild was going to done?..
Assuming that you were going with more compression and an aftermarket cam on a ground up build, either block is fine, either head will work fine after you install new valves and seats (although the 1973 head may a have a slightly small combustion chamber volume stock compared to the 67, so less milling may be needed to get your target numbers).

If it were a question of stock engine with a rering/regasket you took care of the crank pocket thing, the 1973 engine stock would have the better camshaft, but that's about it on a side to side comparison.


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 Post subject: Re: No...
PostPosted: Fri May 08, 2015 3:29 am 
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4 BBL ''Hyper-Pak''
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Joined: Sun Dec 28, 2014 7:33 pm
Posts: 42
Location: Caledon
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Quote:
Quote:
would one motor/tranny have any advantage over the other if a total rebuild was going to done?..
Assuming that you were going with more compression and an aftermarket cam on a ground up build, either block is fine, either head will work fine after you install new valves and seats (although the 1973 head may a have a slightly small combustion chamber volume stock compared to the 67, so less milling may be needed to get your target numbers).

If it were a question of stock engine with a rering/regasket you took care of the crank pocket thing, the 1973 engine stock would have the better camshaft, but that's about it on a side to side comparison.
Thank you
Now begins the hard part of learning what and how to change/rebuild everything. At least I can still drive my Dart while I take my time to do the spare engine up right..no rush .


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PostPosted: Fri May 08, 2015 9:29 am 
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4 BBL ''Hyper-Pak''
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Joined: Sun Dec 28, 2014 7:33 pm
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Location: Caledon
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thanks for your help Reed, Joshie225 and Duster.


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PostPosted: Fri May 08, 2015 10:27 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
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Location: Fircrest, WA
Car Model: 76 D100
Keep the 1967 cam and have the lobe profile reground. You can save some money and wind up with a good cam.


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PostPosted: Sat May 09, 2015 5:01 am 
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4 BBL ''Hyper-Pak''
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Joined: Sun Dec 28, 2014 7:33 pm
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Location: Caledon
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great idea..thanks Reed...probably end up keeping one complete engine as a spare or for parting out down the road. Hard to locate original parts up this way.


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