Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Nov 3, 2013 | 11:21 PM
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Just picked this up today
First things knowbody say anything about the hood I think it's Nuts
I'm going with either a 5.3 or 6.0 which I find for the best deal
I will also be swapping to a t-56
It has a 3.27:1 posi in it and ill deal with that until everything else is in order plan on switching to 3:90:1

I spoke with my uncle yesterday, asked him about mounts (has worked on every LS series you can think of since 99, dealership technician and close to retirement)
He said if you get the engines mounts with it set it down in and if they fit let it roll

Also I assume I need a t-56 3rd gen trans crossmember
nd what am I going to do about a driveshaft?

I pretty much have a good idea of what I need to do with everything else

I don't think I will have a problem with intake manifold clearance with that insane hood on there
But I could be wrong I've been wrong before
But it is a 6"
I want to go to either a 2 1/2" cowl hood
Or possible a 93/97 ram style 3rd gen hood.
Does anyone know if the stock 5.3 or 6.0 intakes will clear under the ram air hood.
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Old Nov 3, 2013 | 11:33 PM
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depends if car or truck intake.

I would say yes cause they are lower than the TPI engines that the formula cars came with.

And yes, for the love of GOD himself, get rid of that hood IMMEDIATELY!!

That is actually scary that they even considered driving that thing on the street like that.. Talk about your BLIND SPOT!!
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Old Nov 4, 2013 | 11:36 AM
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Yes I know and I would like to know that myself


But I don't wanna go to an LS1 intake manifold or pay for an ls7 intake manifold so that's why I'm asking bout what hoods would have enough clearance for a stock 5.3 or 6.0 intake manifold
I guess the question is how much taller are that as opposed to the car intake manifolds
I wanna go as I said to the Fisrt 4th gen 93/97 style ram air hood
Or the same kinda Cowl that is on there now just dropped to a 2.5" cowl
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Old Nov 4, 2013 | 11:37 AM
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Since the hood needs to go
Id rather pay for the hood over an intake manifold that could potentially flow less a la the Ls1 or an intake close to the cost of a hood like the LS7
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Old Nov 4, 2013 | 11:54 AM
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I have a new spohn 3rd gen t56 trans mount if interested pm me
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Old Nov 4, 2013 | 11:57 AM
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ls7 intake wont fit 5.3 or 6.0. unless you have a ly6 6.0 ly6, l76, l92, ls3, ls7 is rectangle ports. the rest are cathedral ports.
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Old Nov 4, 2013 | 12:38 PM
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Originally Posted by cobalt964
ls7 intake wont fit 5.3 or 6.0. unless you have a ly6 6.0 ly6, l76, l92, ls3, ls7 is rectangle ports. the rest are cathedral ports.
Ah ha ok
So is it the ls6 intake manifold that I'm thinking there is another intake aside the ls1 that allows the clearance and has better runners then the ls1
But as I'm
Asking with the right hood can I run the stock 5.3 or 6.0 manifold
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Old Nov 4, 2013 | 01:51 PM
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If you have a car intake, you should be able to run it. I am running a truck intake in my S-10 and if I could have dropped the engine down just half an inch in the front, I wouldn't have hit anything at all. But it is touching one of the cross brace supports on the drivers side. I MIGHT be able to fix it with raising the trans up just a hair in the rear, but the power steering pulley is really close to the steering box now, so I don't know how much more I could go up.

Once you get the engine into the car and can do some measuring from the valley cover panel to the top of fenders, you will know what you have for clearance issues.

Even if all you put in the car is the block on the mounts then you have a starting point.
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Old Nov 4, 2013 | 02:39 PM
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I mean yeah that makes sense
But the hood is cut out completely under the scoop so I literally have 6 inches of clearance

I was just hoping someone would know if the stock 5.3 or 6.0 intake manifold would clear under something other then that insane hood in the first thread
I wanna stay with the stock manifold cause it flows better then the car manifold that's why I'm trying to figure out the intake before hand
But I'll just wait till I have the engine settin in the bay before I try to figure out another hood
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Old Nov 4, 2013 | 02:58 PM
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Don't think your going to get many reply, as most of the F-body swap guy all use Car or FAST Intake manifolds.....

With a Truck Intake and a 2 1/2" Cowl hood, It might fit or be close.. that would be my guess.. Might have to leave any cover off or shave/smooth the top some ?

IMO go with a LS6 intake.

BC
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Old Nov 4, 2013 | 03:02 PM
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Seeing as how I need to buy a hood That one is hideous
So I really don't wanna buy a hood and an intake
So then I'll just go with a 3" cowl if your saying it might clear with a 2.5" but may need some
Grounding or sanding
Which is not an issue

How dose the LS6 compare in flow to the 5.3 or 6.0
I've heard go with it over the ls1 cause of the runners and the flow
But I've heard they aren't cheap either
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Old Nov 4, 2013 | 08:12 PM
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I'm a little confused on motor mounts
My uncle told me to use what is on the engine and just drop it down in if they line up role with it.
Otherwise what should I do
Get 4th mounts or the mount kits
I am not buying a tubular a arm and k member kit if I can bolt it in with just the right mounts

All just realized this
Going to a 6-speed am i then going to be going to the torque arm that mounts on the crossmember and not back of the trans
I prefer it to back of the trans

That is the one thing i didn't get with the car that I wanted but still can't complain for $300
So I need a torque arm anyways
So if I have to change torque arms I just simple have to buy one at this point cause I don't have since I'm going to a t-56 should I just buy one made for the t-56 conversion
And do they only make torque arms for the t-56 that mount on the crossmember?
Or if I find a 3rd gen torque arm will it work with the t-56 or not?
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Old Nov 4, 2013 | 08:56 PM
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you will still need the adapter pates to go from standard sbc to the ls engine. they are all over ebay for 50-100+

make sure you get ones that INCLUDE the hardware bolts or else you will be searching for a week in hardware stores..
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Old Nov 4, 2013 | 09:41 PM
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Are the plates specific on weather the mounts are from are car or truck
Cause most likely they will be truck mounts
Would I want 4th gen LS motors mounts with SBC to LS adapters plates or would the stock truck mounts be fine?
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Old Nov 4, 2013 | 09:48 PM
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no, the ls plates are not car or truck specific, the motor mounts you use to connect them to the frame will probably be though..

Click the link below for some examples, just scroll down past the license plate crap

http://www.ebay.com/sch/i.html?_from...plates&_sop=15

you will actually use the cars SBC motor mounts to go from the adapter plate to the frame.
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Old Nov 4, 2013 | 10:23 PM
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The only mounts I will have will be what ever comes with the engine
So get the adapter plates and essentially get 305/350 engines mounts to mount to the frame mounts
So I'm essentially using the original mounts with a simple adapter?

I say essentaily cause I only have frame mounts but no motor mounts

Do I wanna change the rubbers or I guess bushing out in the frame mounts?
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Old Nov 4, 2013 | 10:33 PM
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I just bought new mounts, but they do sell the urethane versions of the sbc mounts at various sellers. They will hold up a ton better than the regular rubber mounts that you would get at napa or oreillys......
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Old Nov 4, 2013 | 10:37 PM
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http://www.jegs.com/i/Energy+Suspens...1148G/10002/-1
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Old Nov 4, 2013 | 10:38 PM
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start there....
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Old Nov 4, 2013 | 10:48 PM
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I'm assuming you mount the flat pieces that I assume are the plates to the block and then the mounts to the plates drop them in and bolt them
Up.

Wow. That's nice I've been away from GM for awhile I'm glad I decided to do a swap that has been done enough for there to be readily available parts for the swaps

Noted that link was for 63/82 Chevys
Mine is an 89 but I assume people put LS engines in just about anything to so they make mounts And adapter plates for everything and actually just searching energy suspension I'll find exactly what I need

Thank you much!
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