4.8L to 6.0L engine swap
#1
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4.8L to 6.0L engine swap
I'm not very mechanically enclined but what all is involved in the conversion? Do I need to get a new computer if I swap engines? I currently have a 4.8L '01 Sportside and I don't care for the lack of HP. I would love to get a 6.0L and slap a S/C on it for some serious power.
Where is a good place to get either a standard 6.0L or an Escalade 6.0L engine? Any places online that sell them? What about the tranny, will I need to strengthen it any to handle the increase in HP and torque? What all is involved in doing this? I figure I would get at least 4.10 eaton gears (limited slip) if I do the swap. Any other suggestions??
Sorry for all the question but I figured you guys would be the best to ask! <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
Where is a good place to get either a standard 6.0L or an Escalade 6.0L engine? Any places online that sell them? What about the tranny, will I need to strengthen it any to handle the increase in HP and torque? What all is involved in doing this? I figure I would get at least 4.10 eaton gears (limited slip) if I do the swap. Any other suggestions??
Sorry for all the question but I figured you guys would be the best to ask! <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
#2
single digit dreamer
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Re: 4.8L to 6.0L engine swap
just slap it in and it will run!!!
you have to be able to pull an engine and put one back in, i did mine in about 10hours, i have probably done 10 moter swaps and this one seemed easier than most. i went from a 5.3 to a 6.0 and didn't change a thing and it ran fine with no codes or anything, not to say it couldn't run harder(they can always run harder)
once you got the 6.0 in there are all the usual parts to make it faster, that part doesn't change. the 4.8/5.3's have alot smaller exhaust than the newer 6.0's so i bet there is alot of power there if you upgraded you exhaust(y pipe and all).
best place to get an engine, right here! goto the parts section every day and be a little paitent, check that other site also(ls1.com), you can get one from some of the dealers but it seems like they were close to 3K for a longblock. by the way the longblock is all you need. and it should be a 2001 or newer and not a escalade if you plan on geting a blower. i got mine for $1500 delivered, seen several go around $1000. with just a 6.0 and a few boltons your tranny will be fine but add a blower and you will need an expensive upgrade, i would throw on a cooler and a shift kit if you are worring about it.
i am a big fan of the 6.0 swap, i say go for it!
you have to be able to pull an engine and put one back in, i did mine in about 10hours, i have probably done 10 moter swaps and this one seemed easier than most. i went from a 5.3 to a 6.0 and didn't change a thing and it ran fine with no codes or anything, not to say it couldn't run harder(they can always run harder)
once you got the 6.0 in there are all the usual parts to make it faster, that part doesn't change. the 4.8/5.3's have alot smaller exhaust than the newer 6.0's so i bet there is alot of power there if you upgraded you exhaust(y pipe and all).
best place to get an engine, right here! goto the parts section every day and be a little paitent, check that other site also(ls1.com), you can get one from some of the dealers but it seems like they were close to 3K for a longblock. by the way the longblock is all you need. and it should be a 2001 or newer and not a escalade if you plan on geting a blower. i got mine for $1500 delivered, seen several go around $1000. with just a 6.0 and a few boltons your tranny will be fine but add a blower and you will need an expensive upgrade, i would throw on a cooler and a shift kit if you are worring about it.
i am a big fan of the 6.0 swap, i say go for it!
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Re: 4.8L to 6.0L engine swap
<img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> Thanks for the reply! It sounds pretty straight forward. I assume you have the ls1edit for general programming purposes and not just because you did the 6.0L swap, right? I'm not sure I can afford the ls1edit and a motor. As it stands now I have to take some money out of my savings and start a little fund on the side for the motor without my girlfriend knowing! <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />
What are your guesses at the rear wheel horsepower of a 6.0L with a s/c, ASM long tube headers, UPD intake, aftermarket exhaust, and probably HPPIII or custom tuning? I would think it would be well over 450HP.
What are your guesses at the rear wheel horsepower of a 6.0L with a s/c, ASM long tube headers, UPD intake, aftermarket exhaust, and probably HPPIII or custom tuning? I would think it would be well over 450HP.
#4
single digit dreamer
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Re: 4.8L to 6.0L engine swap
i really haven't even used ls1edit yet, i have tried but have had several issues that kept me from seeing any gains. i have done basicly nothing, i hope to get some heavy use out of it soon.
there is a place to enter the displacement in ls1 edit and i did that but felt no change, i think it is there just in case the maf fails but i am not sure. i also turned up the idle a little, i am not sure if you will need to do this or if there is a cheap way to do it without ls1edit. i uped the idle by about 50rpm, it never died but it sounded like it was going to sometimes, now it sounds good.
no idea for hp, a whipple on a stock 6.0 is rated at 450fwhp, then add headers and exhaust for another 50? that is where i am at, i would bet i am around 400rwhp now. not sure if the upd intake and a blower will work together, most blowers come with some kind of good filter. if you do all that you will need to add a transmision to your list and forget about hppIII if you are doing all that you will need ls1edit and some kind of scan tool(atap). probably some injectors and fuel pump. it is starting to get expensive as you can see.
there is a place to enter the displacement in ls1 edit and i did that but felt no change, i think it is there just in case the maf fails but i am not sure. i also turned up the idle a little, i am not sure if you will need to do this or if there is a cheap way to do it without ls1edit. i uped the idle by about 50rpm, it never died but it sounded like it was going to sometimes, now it sounds good.
no idea for hp, a whipple on a stock 6.0 is rated at 450fwhp, then add headers and exhaust for another 50? that is where i am at, i would bet i am around 400rwhp now. not sure if the upd intake and a blower will work together, most blowers come with some kind of good filter. if you do all that you will need to add a transmision to your list and forget about hppIII if you are doing all that you will need ls1edit and some kind of scan tool(atap). probably some injectors and fuel pump. it is starting to get expensive as you can see.
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Re: 4.8L to 6.0L engine swap
Definitely expensive! If I do the swap I think I'll be satified with the headers, intake, computer tuning, and exhaust. Oh ya, your right about the UPD and the blower, I don't know what I was thinking when I typed that. Oh well, thanks for all the info. <img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />
#7
Re: 4.8L to 6.0L engine swap
I'm considering the same. Swap out a 4.8L with a 6.0L. My main concern is inspection time. I live in a darn emissions state. What happens when the sniffer gets a load of exhaust from a 6.0L instead of a 4.8L? I assume the inspector can not tell the difference in the engines just by looking at them ???
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#8
single digit dreamer
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Re: 4.8L to 6.0L engine swap
i seriously doubt that the swap would cause you to fail your emission test but i have no real world experience to help suport myself. how do they do the tests? are they expensive? could you do the swap and then go into some shop for something like a pretest to see if you are allright?
you might also want to find out the numbers they are looking for on your 4.8 and for a 6.0, they might be the same numbers. i am glad i don't have to worry about emissons(yet).
the newer 6.0's have a big 3" y pipe and i think it doesn't y together until the muffler, if i were trying to keep it clean but wanted it to flow also i would try and find one of these.
you might also want to find out the numbers they are looking for on your 4.8 and for a 6.0, they might be the same numbers. i am glad i don't have to worry about emissons(yet).
the newer 6.0's have a big 3" y pipe and i think it doesn't y together until the muffler, if i were trying to keep it clean but wanted it to flow also i would try and find one of these.
#9
Re: 4.8L to 6.0L engine swap
In MA the stations have an expensive emissions analyzer. I believe it checks the amount of hydrocarbons. If you exceed a certain level you fail. The annual inspection checks the normal lights, horn, front suspension, then checks emissions for about $27.00.
My worry is more cubic inches = more hydrocarbons = reject sticker! <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" />
My worry is more cubic inches = more hydrocarbons = reject sticker! <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" />