Swapping 4.2L for SS Motor! - Page 3 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2006 - 2009 TrailBlazer SS Tech > 06-09 SS Engine and Drivetrain > Engine Tunes/Mods

Engine Tunes/Mods Engine tuning and/or modifications

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  #21  
Old 09-02-2009, 10:41 PM
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2004 Chevy 2007 TB SS
Light Pewter Metallic 4.2L I6 4X4
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4x4

I've gotten several messages on asking why am i doing this??? First, this has never been done, well not to my knowledge!! Secondly, I want to see if the performance will be better with the 4 wheel drive!
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  #22  
Old 09-02-2009, 10:54 PM
ScarabEpic22 ScarabEpic22 is offline
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Quote:
Originally Posted by spot u 3 View Post
I have the whole car except for the boddy!!! I have the ss tranny and drivetrain but i don't want to put it in yet because i want to see if the regular trans and transfer case will hold up!!! It's going to take us roughly 1 to 2 months to get everything swapped so stay tuned!!!
To repeat what Foosh said and what I said, Ive seen the 4L70Es blow up behind STOCK TBSSs many times. Sticking the wimpier 4L60E means its an even bigger ticking time bomb.

Good you have everything, you'll need ALL the parts from the SS wiring harness, cluster, etc to have a glimmer of making this work.

Not trying to be a downer, but Ive looked at doing it and it cheaper to either swap a wrecked SS body for a regular TB one or but a TBSS.

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Originally Posted by Foosh View Post
if i were you i'd swap the tranny... better safe then sorry. find a full size chevy tranny, there are plenty that are reasonably priced, plus you could probably get a transfercase from the same truck and make it easier to link up. personally depending on the driving you'll be doing i'd go so far as to say throw in a stick!
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Originally Posted by bstromback2002 View Post
Same transmission and transfer case in a 1/2 ton truck. the next step up would be out of a 3/4 and a 4l80e and i don't remeber what transfer cases they used in the heavier trucks but i bet there is a couple options there too.
Dont even bother with a 4L80E, its a different box but you'll never get the electronics from the SS to work with it sorry. Have to use another converter, not worth it.

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Originally Posted by bartonmd View Post
Same transmission, but even the 1/2 ton trucks get a slightly stronger T-case... The 3/4 ton trucks get a better one yet...

IIRC, the 4L70E is just a 4L60E with upgraded parts in it... It's not a totally different box like the 4L80E is...

Mike
Correct, the 4L60E is a electronically controlled 700R4 with minor changes, the 4L65E has some minor upgrades to handle more hp/tq (used in the Silverado SS) and the 4L70E has only like an input speed sensor and maybe 2 or 3 minor changes from the 65E.
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  #23  
Old 09-29-2009, 01:23 PM
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2004 Chevy 2007 TB SS
Light Pewter Metallic 4.2L I6 4X4
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Transfer Case

Hey guys sorry i haven't been on here in a couple of weeks!!!! Ran into some problem finding a transfer case that's going to work!!! Any suggestions!!
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  #24  
Old 09-29-2009, 02:07 PM
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2004 Ford F-250 Powerstroke Diesel
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Chevy Silverado 2500?? They have the 6.0, so it could bolt up, and work, but I don't know.
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  #25  
Old 09-29-2009, 03:58 PM
ScarabEpic22 ScarabEpic22 is offline
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Originally Posted by Dizzlenator View Post
Chevy Silverado 2500?? They have the 6.0, so it could bolt up, and work, but I don't know.
Thats not the issue at all, electronics...hard parts are easy. Electronics dont like to play nice on our platform with a bit of massaging. This is why there arent a ton of SSs running around with 6L80Es and 3.42s getting 20mpg.
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  #26  
Old 09-29-2009, 07:24 PM
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I understand that. Which is why you get rid of the electronics idea. Do the motor swap, and use the transfer case out of the 2500 with the shift on the fly stick, vice the electronic dial selector. Just a thought. I know, there are more electronics involved, but that would circumvent the electronics to control the t-case.....
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  #27  
Old 09-30-2009, 12:21 AM
ScarabEpic22 ScarabEpic22 is offline
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Quote:
Originally Posted by Dizzlenator View Post
I understand that. Which is why you get rid of the electronics idea. Do the motor swap, and use the transfer case out of the 2500 with the shift on the fly stick, vice the electronic dial selector. Just a thought. I know, there are more electronics involved, but that would circumvent the electronics to control the t-case.....
Hmmm like your thinking, since theres only 1 setting in the PCM for 4WD stuff you could probably fool it easily and still get the proper shift settings in 4WD. Where to have the stick come up if its a manual xfer case though?
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  #28  
Old 09-30-2009, 06:23 AM
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Ah, yet another issue I have thought of. There are ways to use an angle grinder to make your own short shifter (did it on my Mustang) and it worked wonderfully. With that same idea of cutting it, taking out a section and welding it back together, you'll have to ADD a section to it. I know there are conversion plates for center consoles to go from auto to manual, with trim edges, and boots, and all kinds of cool stuff. Add to the stick, have it come up where one of the front cup holders are, or angle it slightly, and have it come through the floor, just on the driver side of the console.
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  #29  
Old 09-30-2009, 07:12 AM
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Hey man, good luck, it sounds like an awesome swap if parts hold up. If they don't, you'll put a transfer case or a rear end on the moon and who cares? That's the price of pioneering and it sounds like you're ready for that with stronger parts standing by. Hook it up and have fun!
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  #30  
Old 09-30-2009, 07:22 AM
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Good luck on your venture and keep us updated.
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