Atlas I6 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ericjon262 · 09-25-2013, 03:55 PM

Anyone ever swap an Atlas inline 6 from a trailblazer/envoy into their 67-72?

I'm considering the swap, and was curious to see if there were any particularly hard hurdles that had to be crossed to make it happen.

ole dollor · 09-25-2013, 07:34 PM

I will hang around and see how this goes....

Dano69c10 · 09-25-2013, 07:43 PM

Check out inliners.org, there's a couple they've done in cars, and also check out stovebolt.com, I think they did a chevy truck...

I know there was oil pan and variable cam issues, but I think all of that got sorted out, if I remember correctly.

The atlas 6 would be a killer engine in our trucks! Think they put out 270 - 290 hp, stock.

ericjon262 · 09-29-2013, 07:34 PM

I'm pretty much set that I'm going to do this, I need to find a parts truck that I can cannibalize. and then it'll be game on. I probably won't keep this thread updated, as I'm going to use the thread that already exists for my truck.

http://67-72chevytrucks.com/vboard/s...d.php?t=594908

hugger6933 · 09-29-2013, 07:48 PM

I think the oil pan is most def gonna be the biggest hurdle to jump. As I am sure your aware of the oil pan is a weird piece in that family with the front driveshaft going through it. When I was first told about that I didn't belive then I bought a TB a week or two later and sure enough. There is a guy in Rockwall TX. that claims he can reprogram the PCM for that motor and increase the mileage like 5 to 7. So if you get that far hang out at the TB forums and find him, it may help your cause.

ericjon262 · 09-29-2013, 07:56 PM

Quote:

Originally Posted by hugger6933

I think the oil pan is most def gonna be the biggest hurdle to jump. As I am sure your aware of the oil pan is a weird piece in that family with the front driveshaft going through it. When I was first told about that I didn't belive then I bought a TB a week or two later and sure enough. There is a guy in Rockwall TX. that claims he can reprogram the PCM for that motor and increase the mileage like 5 to 7. So if you get that far hang out at the TB forums and find him, it may help your cause.

yep, I'm thinking about this one right now...

**brakenit** · 10-01-2013, 08:25 PM

http://forums.trailvoy.com/showthread.php?t=77518

You'll have to join and ask if these ever went into production. The guy making them swapped a turbocharged 4.2L into a '51 GMC.

ericjon262 · 10-01-2013, 10:17 PM

http://www.emtechmotorsports.com/Products.html

$625 and won't be available til next year... might try and pic one up, we'll see. still weighing my options.

09-25-2013, 03:55 PM	#1
ericjon262 Registered User Join Date: Mar 2007 Location: Displaced Floridian/Bremerton, Wa Posts: 281	Atlas I6 Anyone ever swap an Atlas inline 6 from a trailblazer/envoy into their 67-72? I'm considering the swap, and was curious to see if there were any particularly hard hurdles that had to be crossed to make it happen. __________________ '06 2500 HD 4x4. manual transfer case, crank windows. '88 V10 Suburban 4x4,"The Pig Rig" L05, 700r4, NP208, 4x4 beater camper fun truck project. My trucks don't leak oil, they mark their territory.

09-25-2013, 07:34 PM	#2
ole dollor Registered User Join Date: May 2012 Location: Anton, Texas Posts: 2,364	Re: Atlas I6 I will hang around and see how this goes....

09-25-2013, 07:43 PM	#3
Dano69c10 Senior Member Join Date: Jan 2005 Location: Ontario, Kali Posts: 2,427	Re: Atlas I6 Check out inliners.org, there's a couple they've done in cars, and also check out stovebolt.com, I think they did a chevy truck... I know there was oil pan and variable cam issues, but I think all of that got sorted out, if I remember correctly. The atlas 6 would be a killer engine in our trucks! Think they put out 270 - 290 hp, stock. __________________ '69 Fleet It ain't yours, if you didn't build it! Last edited by Dano69c10; 09-25-2013 at 07:50 PM.

09-29-2013, 07:34 PM	#4
ericjon262 Registered User Join Date: Mar 2007 Location: Displaced Floridian/Bremerton, Wa Posts: 281	Re: Atlas I6 I'm pretty much set that I'm going to do this, I need to find a parts truck that I can cannibalize. and then it'll be game on. I probably won't keep this thread updated, as I'm going to use the thread that already exists for my truck. http://67-72chevytrucks.com/vboard/s...d.php?t=594908 __________________ '06 2500 HD 4x4. manual transfer case, crank windows. '88 V10 Suburban 4x4,"The Pig Rig" L05, 700r4, NP208, 4x4 beater camper fun truck project. My trucks don't leak oil, they mark their territory.

09-29-2013, 07:48 PM	#5
hugger6933 Registered User Join Date: Oct 2008 Location: Marianna Arkansas Posts: 7,261	Re: Atlas I6 I think the oil pan is most def gonna be the biggest hurdle to jump. As I am sure your aware of the oil pan is a weird piece in that family with the front driveshaft going through it. When I was first told about that I didn't belive then I bought a TB a week or two later and sure enough. There is a guy in Rockwall TX. that claims he can reprogram the PCM for that motor and increase the mileage like 5 to 7. So if you get that far hang out at the TB forums and find him, it may help your cause.

10-01-2013, 08:25 PM	#7
brakenit Active Member Join Date: Mar 2004 Location: Indiana Posts: 198	Re: Atlas I6 http://forums.trailvoy.com/showthread.php?t=77518 You'll have to join and ask if these ever went into production. The guy making them swapped a turbocharged 4.2L into a '51 GMC.

10-01-2013, 10:17 PM	#8
ericjon262 Registered User Join Date: Mar 2007 Location: Displaced Floridian/Bremerton, Wa Posts: 281	Re: Atlas I6 http://www.emtechmotorsports.com/Products.html $625 and won't be available til next year... might try and pic one up, we'll see. still weighing my options. __________________ '06 2500 HD 4x4. manual transfer case, crank windows. '88 V10 Suburban 4x4,"The Pig Rig" L05, 700r4, NP208, 4x4 beater camper fun truck project. My trucks don't leak oil, they mark their territory.



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