GM 4.2L vortec swap - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 09-04-2005, 07:40 PM   #1 (permalink)
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GM 4.2L vortec swap

I was thinking about putting one of those 4.2L votec motors in my toyota, but i want a manual. Does anyone know of any applications of a manual behind these motors? Or of a place that makes a flywheel for it?
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Old 09-04-2005, 08:12 PM   #2 (permalink)
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well an H3 hummer has a 5 speed but it has the inline 5. i think the flywheel and stuff is the same for the 5 and the 6.
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Old 09-05-2005, 11:31 AM   #3 (permalink)
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If I am not mistaken the 4.2 inline six from the trailblazers uses the same bellhousing as the I-5s from the colorados. I also remember seeing somewhere that the bolt patern on the bellhousing was the same as tho one from toyota trans (I just dont remember wich one).

I hope this helps
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Old 09-05-2005, 10:50 PM   #4 (permalink)
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Originally Posted by camo kid
... also remember seeing somewhere that the bolt patern on the bellhousing was the same as tho one from toyota trans (I just dont remember wich one).
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Old 09-05-2005, 10:56 PM   #5 (permalink)
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the 4, 5 and 6 vortec motors are all based on the same block. Or at least, so I'm told.
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Old 09-06-2005, 08:01 AM   #6 (permalink)
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Quote:
Originally Posted by mike
the 4, 5 and 6 vortec motors are all based on the same block. Or at least, so I'm told.
Yup, same bore & stroke on all 3 as a matter of fact. One issue with the 4.2 though is that the axle runs through the oil pan. I would assume you could get around that by using a 2wd tranny pan...... possibly.

Next question, is that engine too long for your Toyota?

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Old 09-12-2005, 07:42 AM   #7 (permalink)
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Old 08-20-2009, 10:35 PM   #8 (permalink)
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Bump lookin for new info for these engines and transmissions
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Old 05-29-2011, 09:29 AM   #9 (permalink)
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I can Tell you its an awsome motor and have been debating this same one myself. The only Problems i can see existing is deck hight/diff clearance. This is a very tall engine thus the hole in the pan for the axle on 4wd. the 2wds still have this same hole. the vortec 4cyl 5 cyl and this engine are all the same blocks/bolt patterns. its the same as the 4.3l and the 350 they just chopped some cyl's off. There is no support for this swap so doing it on a pollution controlled jeep would require alot of custom wiring and possibly a stand alone PCM. thats as far as i have gotten with it if i find out more ill let you know
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Old 05-29-2011, 02:12 PM   #10 (permalink)
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I'm pretty sure these guys are running one in a 7200 truck and might be able to help

http://www.samcofabrication.com/proj...?g2_itemId=864
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