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Post by AmunRoo on Oct 3, 2018 7:12:22 GMT -6
Ok, so I found a 2003 VIN 9 4.6 with about 67k miles. I believe it's either out of a Deville DTS or a Seville. I'm looking to drop this into my 2001 With a 4.0 that's probably gonna go bad soon or not. Here are my questions...
1. Is it a direct bolt on? Same mounts?
2. Will all the accessories fit?
3. Will the 4.0 PCM run the 4.6 without any modification?
4. Will the same trans be ok? [Trans is solid]
5. Any issues I should know about?
According to the site, the engine has been compression tested, cylinder leak tested and oil pressure tested. What comes with a three-year warranty. Any insight is greatly appreciated.
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Post by Marc on Oct 3, 2018 8:08:28 GMT -6
Plato 442 did this swap. Try emailing him about that.....he hasn't been here in a few months.
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Post by AUROD X on Oct 3, 2018 22:13:19 GMT -6
WOW! media.giphy.com/media/artr28YUQ6S0o/giphy.gifThis I got to see; The only concern I have is the PCM. Most likely it has to get tuned, as far as the Tranny I believe is strong💪 enough to handle that little more power. I and Hulk Hogan will prey for you brother... |
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tigger
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Posts: 2,844 
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Post by tigger on Oct 4, 2018 1:00:10 GMT -6
1. Is it a direct bolt on? Same mounts? 2. Will all the accessories fit? 3. Will the 4.0 PCM run the 4.6 without any modification? 4. Will the same trans be ok? [Trans is solid] 5. Any issues I should know about? 1. Yes. 2. Yes. 3. Yes. 4. Yes. All VIN C/Y/9 engines used the 4T80E. Nothing bigger/stronger for the era. 5. All sensors and harness connectors don't match. Keep all sensors from the 4.0... This is all from research, but yeah, pretty much plug 'n play! |
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Post by AmunRoo on Oct 4, 2018 4:51:27 GMT -6
I would be getting a block without accessories. Did you happen to know anything about the sensors that do not match? Also, will it just be a simple cut and rewire?
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Post by AuroraGirlFromMars on Oct 5, 2018 10:41:27 GMT -6
I think when he said all the sensors I think he meant ALL the sensors on the motor do not match harness wise. I would imagine this was a move by GM to make more part numbers and drive up costs...
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tigger
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Posts: 2,844
Staff Member
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Post by tigger on Oct 5, 2018 16:42:20 GMT -6
Haha, no, there's only a few.
Oil pressure sender is different for sure. Maybe one or two more.
But if you're getting the engine 'bare', no worries then, just swap everything over from your 4.0.
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Post by AmunRoo on Oct 7, 2018 2:32:20 GMT -6
Ah, you're talking about if I pull the motor wiring and all... Ok. The place told me that it's a bear engine, no accessories.
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