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'73-'83 engine swap?

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Old Jun 23, 2016 | 07:34 PM
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'73-'83 engine swap?
Hi, I need to know if a '73 300 (4.9L) 6cyl will fit an '83. They are both f-250. Thanks...
 
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Old Jun 23, 2016 | 10:20 PM
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Pretty much bolt it in.
 
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Old Jun 23, 2016 | 10:28 PM
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Thanks, the mounts, and the bolt locations are throwing me off. I wanted to use the duraspark dist, I'm pretty sure it'll fit, but still kinda unsure...
 
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Old Jun 23, 2016 | 11:29 PM
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You will need to use the 83 mounts, oil pan and pickup. The Duraspark dizzy will drop in.
 
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Old Jun 23, 2016 | 11:32 PM
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That's what's puzzling me, the bottom 2 bolt spread is different. The '73 is closer together...
 
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Old Jun 24, 2016 | 06:25 AM
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Originally Posted by xphr8r
That's what's puzzling me, the bottom 2 bolt spread is different. The '73 is closer together...
Bolt spread on the engine mount? You are going to use 83 mounts correct?
 
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Old Jun 24, 2016 | 04:12 PM
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The '83s don't seem to fit. I'm going to remeasure again tday. Check with you later...
 
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Old Jun 25, 2016 | 08:27 AM
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The 300 block should be the same, so work from there using 83 parts down to the 83 frame.
 
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Old Jun 25, 2016 | 03:32 PM
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Thanks...wow, how did you get the animated blower avatar? New to! Have you seen fury road?
 
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Old Jun 28, 2016 | 11:53 PM
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Hi, I thought every thing was all lined up, then I noticed the dip stick. The '73 is in front of the dist, the '83 is behind the oil filter. Jeez, now what?
 
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Old Jun 29, 2016 | 05:51 AM
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Originally Posted by 82F100SWB
You will need to use the 83 mounts, oil pan and pickup. The Duraspark dizzy will drop in.
Originally Posted by xphr8r
Hi, I thought every thing was all lined up, then I noticed the dip stick. The '73 is in front of the dist, the '83 is behind the oil filter. Jeez, now what?
Don't use the timing cover stick and plug the hole.
Dave ----
 
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Old Jun 29, 2016 | 11:39 AM
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Not sure if the 83 will still be stick in pan. You may need an 82 back rear sump pan.
 
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Old Jun 29, 2016 | 06:48 PM
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Originally Posted by xphr8r
Thanks, the mounts, and the bolt locations are throwing me off. I wanted to use the duraspark dist, I'm pretty sure it'll fit, but still kinda unsure...
No 1973 anything came with DuraSpark electronic ignition.

DuraSpark introduced in 1974, but not all vehicles came with it until 1976.

The module used in 1974...is 1974 only / The module used in 1975...is 1975 only.

DuraSpark ignition modules are identified by a colored plastic square located above where the wires feed out.
 
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