Build LS2 L76 V8 and 6L80E Swap in 1997 40th FJ80
- Thread starter jwdodd1
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- #42
asutherl said:
It is due. Great compression, but I only had it a couple days before I took it to the shop, so I don't know a ton about the engine. I can get you in touch with my mechanic if you want to ask questions.
That's what I'm seeing with my swap when I had 33s. I'm sure it will get worse now I'm on 37s. But I don't drive a land cruiser for the economic reasons.
yep - definitely the wrong reason for any engine swap. They never improve economy.
What's funny is that I am getting about 16 on the highway and around 13-14 in the city. I am also running a 5.3l so as you can see, there's no real difference in economy versus engine size. You just have a good bit more power.
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- #45
rockrod said:
Thanks. I will keep that in mind. I would have to say that my goal is power first and foremost. I would much rather have a powerful but inefficient truck than a slow AND inefficient truck.
i agree - the power gain is what it's about for me. Economy hasn't really changed because the LS motors are so much more efficient. GM did it right with these motors.
You guys swapping in the larger motors are making me want to find 6.0l shortblock and swap it in place of my aluminum 5.3l block.
You guys swapping in the larger motors are making me want to find 6.0l shortblock and swap it in place of my aluminum 5.3l block.
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- #48
cteaster said:
We can definitely hook up sometime soon and talk. I have a some work I will be starting once I pick her up tomorrow, but should have her out and about very soon. Stay in touch.
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- #49
cteaster said:
Pm me and I will get you my mechanics info. He works on a lot of rock crawlers.
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- #52
rockrod said:
Thanks. My mechanic said he was very surprised at how solid the engine still is for having 225,000 miles on it, but I don't have much beyond that. It ran great when I drove it for the few days prior to the swap. Very strong and smooth shifting. I am willing to move this thing at a very reasonable price to not have to deal with storage of it, so I am ready to entertain offers.
jwdodd1 said:Thanks. My mechanic said he was very surprised at how solid the engine still is for having 225,000 miles on it, but I don't have much beyond that. It ran great when I drove it for the few days prior to the swap. Very strong and smooth shifting. I am willing to move this thing at a very reasonable price to not have to deal with storage of it, so I am ready to entertain offers.
225k is like its halfway, it can go 100k+ with some minor Pm
iPhone 4S using IH8MUD
For the GM gurus in the group:
This is what I think I have distilled over the last couple weeks:
Given: If I want to run a chevy aluminum V8 petrol block motor and the 6 speed auto trans in my '97 80 with the original Toy transfer case, I need to run the 6l80e trans, as Marks Adaptors currently only has an adaptor for that 6-speed auto trans to our transfer case. And no one else makes such an adaptor. (Correct?)
Given: The 6L80e trans really needs a Gen IV motor (e.g., LS2 or LS3) to effectively connect up with electronically and function. (Correct?)
If so, then: I need a Gen IV alum block gas motor and 6L80e trans. (Correct?)
Of these engine-trans combos as they came in cars and trucks, some have truck intake manifolds, and the motor accessory belt spacing varies from close to the block to further out in different vehicles. I expect the truck manifolds provide more low end torque, but will they work with our hood height spacing? I expect to change the oil pan.
Considering all the above, my main questions are:
---What would be the ideal donor vehicle to pull the engine-trans-harness-ECM-pedal-etc out of to transplant in an 80?
--Do I want the truck intake manifold?
--What belt spacing is ideal?
-- What are the various 6.0 and 6.2 L alum block motor choices that fulfill the above and came with the 6L80e trans? (LS2, LS3, L76, any others?)
Thanks, Jon
This is what I think I have distilled over the last couple weeks:
Given: If I want to run a chevy aluminum V8 petrol block motor and the 6 speed auto trans in my '97 80 with the original Toy transfer case, I need to run the 6l80e trans, as Marks Adaptors currently only has an adaptor for that 6-speed auto trans to our transfer case. And no one else makes such an adaptor. (Correct?)
Given: The 6L80e trans really needs a Gen IV motor (e.g., LS2 or LS3) to effectively connect up with electronically and function. (Correct?)
If so, then: I need a Gen IV alum block gas motor and 6L80e trans. (Correct?)
Of these engine-trans combos as they came in cars and trucks, some have truck intake manifolds, and the motor accessory belt spacing varies from close to the block to further out in different vehicles. I expect the truck manifolds provide more low end torque, but will they work with our hood height spacing? I expect to change the oil pan.
Considering all the above, my main questions are:
---What would be the ideal donor vehicle to pull the engine-trans-harness-ECM-pedal-etc out of to transplant in an 80?
--Do I want the truck intake manifold?
--What belt spacing is ideal?
-- What are the various 6.0 and 6.2 L alum block motor choices that fulfill the above and came with the 6L80e trans? (LS2, LS3, L76, any others?)
Thanks, Jon
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- #55
jwdodd1 said:
Unfortunately delivery of my rig was delayed due to a couple of missing weather strips, but I should finally get her tomorrow. I threw a couple more pics up. I should be able to get some more pics posted tomorrow.
- Thread starter
- #56
western flyer said:
Actually Marks4wd offers several options regarding adaptors for tranny selection. I know they also offer for the 4 speeds as well. You can go with just about any donor vehicle on this depending on your budget. A fair amount of fabrication work was still necessary in my swap, so be prepared. A popular selection that offers solid torque as well would be the Trailblazer SS. I happened to be drawn to the DoD addition offered on the Pontiac G8, but lucked out and wound up with a nicer set up that I expected when I received a G8 GXP dropout. Fuel economy is still undetermined as I haven't been able to drive it yet. I will try to post more details on my swap very soon. Currently responding on my iPhone, so it is cumbersome and slow to type.
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- #57
jwdodd1 said:
But, of you definitely want a six speed, the 6L80e is the route to go in my opinion. However it is a very expensive tranny to do any work on as it is pretty high tech (at least that is what I have been told).
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- #58
I am, by no stretch of the imagination an expert on this stuff though. But there are some great guys on here that can offer more knowledge and direction than I can. Starting a thread asking for 6 speed selection advice might be a good idea.
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- #59
jwdodd1 said:
Lol, I meant, I am NOT, by any stretch... An expert.
Cool. Thanks jwdodd1.
I used to have a Tundra, and a 2uz-fe V-8 seemed like a good choice for an 80 swap (ala Slee), particularly out of 2003-2007 100 series LC (with the 5 speed trans, assuming that is correct and it would work). But the LS2/LS3 (alum block) motors with a 6 speed 6l80e now has really caught my interest.
Do you expect to get cruise control back? Thanks again.
I used to have a Tundra, and a 2uz-fe V-8 seemed like a good choice for an 80 swap (ala Slee), particularly out of 2003-2007 100 series LC (with the 5 speed trans, assuming that is correct and it would work). But the LS2/LS3 (alum block) motors with a 6 speed 6l80e now has really caught my interest.
Do you expect to get cruise control back? Thanks again.