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Old 03-25-2011, 09:54 PM   #1
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4.3 vortec swap

Im about to start a build on my 97 TJ. Going with a 2001 4.3 vortec and 1 ton axles. Any helpful tips would be appreciated.

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Old 03-26-2011, 08:43 AM   #2
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Anyone with any input??

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Old 03-26-2011, 08:53 AM   #3
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Sounds like a lot of work for not much of an improvement (if any) in power, mileage, reliability, etc.
The 4.3 is a good engine, but I'd rather have the 4.0 personally.
That said, the 4.3 is basically just a 350 missing 2 cylinders. There are performance parts out there for them. For the time and hassle, why not just do a 350?
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Old 03-26-2011, 09:03 AM   #4
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ya i agree with mr.sinister,stright 6's are purty much industructable!thats why almost big rigs are I6's. little to no cyl.wall oblonging.just a good engine.
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Old 03-26-2011, 12:54 PM   #5
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The 4.3 will be a HUGE improvement! My 2.5 is struggling in every category. The main reason im going with this motor is because of the sweet deal I got on it!
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Old 03-26-2011, 01:39 PM   #6
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If you wana do it do it, we have no right to tell you to change your plans. As long as your not spending my money IDC! Sounds like a fun project to me.
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Old 03-26-2011, 01:44 PM   #7
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Quote:
Originally Posted by GoldenSahara00
If you wana do it do it, we have no right to tell you to change your plans. As long as your not spending my money IDC! Sounds like a fun project to me.
Thanks for the support! Looking forward to getting started! Still looking for a Dana 60 kingpin!
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Old 03-26-2011, 01:45 PM   #8
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Haha well goodluck hope you get it all ready and going soon! Wish I had the money and time to do a major build! someday haha. Ill be watching bro.
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Old 03-26-2011, 03:09 PM   #9
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I'm still wheelin it at the moment with my locked stock axles and 4cyl. Gathering all my parts and hardware before I start the build. I don't want to tear it down just yet, that way I won't be out of commission for too long! I will take detailed pics though.
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Old 03-26-2011, 06:29 PM   #10
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What tranny? personally i would try a v8 swap before the 4.3 but its not my project. what axles?
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Old 03-26-2011, 06:34 PM   #11
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Yeah good luck I'm getting ready to start swapping my 4.2 out for a 350. Still trying to find a good trans and tc
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Old 03-27-2011, 12:11 PM   #12
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I've got a Dana 60 rear and Kingpin D60 front. I will be running a np 205 and a 4 speed trany that I just got yesterday.

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