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Old 02-01-2006, 04:30 AM   #1
Pinstriper38
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Engine swap (help me out Mopar guys)

Hey,
I've got myelf a reeeeall muscle car, a 1987 Dodge Diplomat and I want to do an engine swap.
Originally, it had a 318 2-barrel V8 in it, and the engine grenaded, and I am curious to know if it would be worth my while to put a 440 Big block in it, or just keep it stock.
What would I need, and need to do the swap?
Would I need a new/different K-member?
Would I need to change the driveline? (trans/rearend)
Would brakes be a concern?
What about motor mounts, throttle linkage, and trans kickdown linkage?
Thanks, Dan
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Old 02-01-2006, 04:43 AM   #2
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no clue...but good luck
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Old 02-02-2006, 01:45 AM   #3
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I hate to say it but the 1987 Dodge Diplomat is just not a muscle car. As for the drivetrain what do you have in the car already? For the brakes the ones you have in the car should be fine unless you plan on driving faster than the car was intended to be driven.
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Old 02-02-2006, 04:53 AM   #4
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Well a Diplomat is pretty much a Fifth Avenue (what I have), I haven't really heard of someone putting in a 440 (although that would be sweet) but there's a lot of people who swap in a 360 with a 8 1/4 rear, and some take it a bit furth by converting them to standard.
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Old 02-02-2006, 10:43 PM   #5
Pinstriper38
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Quote:
Originally Posted by Benson
I hate to say it but the 1987 Dodge Diplomat is just not a muscle car. As for the drivetrain what do you have in the car already? For the brakes the ones you have in the car should be fine unless you plan on driving faster than the car was intended to be driven.
I know, I was just bein' sarcastic.
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Old 02-02-2006, 10:45 PM   #6
Pinstriper38
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Quote:
Originally Posted by car_crazy89
Well a Diplomat is pretty much a Fifth Avenue (what I have), I haven't really heard of someone putting in a 440 (although that would be sweet) but there's a lot of people who swap in a 360 with a 8 1/4 rear, and some take it a bit furth by converting them to standard.
Yeah, that would be an easier option, I just wanted to know if its a lot of work to convert them from a small block to a big block and what would need to be replaced.
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Old 02-02-2006, 11:44 PM   #7
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Quote:
Originally Posted by Pinstriper38
I know, I was just bein' sarcastic.

Blame it on the internet, I can't tell the tone of your voice.
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Old 02-03-2006, 01:08 PM   #8
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Quote:
Originally Posted by Pinstriper38
Yeah, that would be an easier option, I just wanted to know if its a lot of work to convert them from a small block to a big block and what would need to be replaced.

it is a bunch of work, but people have done it many times over. it was covered pretty thoroughly in one of the mopar magazines (they were talking about RB swaps in all the transverse torsion bar cars, though) if i get a chance later, i'll see if i can find anything. in the meantime, check out allpar.com that may get you started in the right direction.

Quote:
Originally Posted by Benson
I hate to say it but the 1987 Dodge Diplomat is just not a muscle car.

for me, benson, that would be the best reason to do it...
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Old 02-04-2006, 03:50 AM   #9
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Originally Posted by dodger65
for me, benson, that would be the best reason to do it...
lol exactly. Let me know if you find anything, I'll check that website in the meantime.
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Old 02-04-2006, 05:19 AM   #10
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here's something that should answer almost all your questions...

http://www.dippy.org/forum/index.php...=2&t=589&st=25

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Old 02-05-2006, 04:00 AM   #11
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Cool, thanks. I asked them pretty much the same question, so maybe they can help me out with the specifics.
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