Conversions & Swaps LSX Engines in Non-LSX Vehicles
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LS1 or LQ4?

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Old Mar 25, 2009 | 09:43 PM
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Default LS1 or LQ4?

Alright guys I have a question. What would be easier to swap into a 97 trans am, an LS1 or LQ4 with a T-56 and which one would be cheaper. My car is currently auto and still has the LT1 in it and I was toying with the idea of an LSX swap. I'm pretty much new into this but from my understanding for the LS1 I will need the wiring harness, K-member, steering rack, fuel tank for the return system, PCM, T-56 mount, pedal assembly, slave cylinder, and what else? Also will all of these parts be the same for an LQ4 with the exception of the PCM? All of your input would be helpful.
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Old Mar 25, 2009 | 10:01 PM
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For starters here is a good read

https://ls1tech.com/forums/conversio...to-95-z28.html

The LQ4 might have a lower initial purchase price but you have buy many bits and pieces to make it work in your car. I doubt the intake and accessories will fit under your hood. That means you have to purchase accessories. You also have to purchase the trans parts.

I'd say look for a complete LS1/T56 which can be had for very reasonable prices.
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Old Mar 25, 2009 | 11:10 PM
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Hey thanks alot man, thats a great link. I was now thinking of rebuilding the bottom end of my LT1 and maybe look for a LS1 T/A roller and then the drivetrain. I dont know I'm just having ideas rolling around my head or just find a high mileage LS1 T/A and build it to my liking. Then i'll have two T/A's.





Originally Posted by Schitzo
For starters here is a good read

https://ls1tech.com/forums/conversio...to-95-z28.html

The LQ4 might have a lower initial purchase price but you have buy many bits and pieces to make it work in your car. I doubt the intake and accessories will fit under your hood. That means you have to purchase accessories. You also have to purchase the trans parts.

I'd say look for a complete LS1/T56 which can be had for very reasonable prices.
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Old Mar 25, 2009 | 11:11 PM
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Will all the parts from a ls1 camaro transfer as well as the LS1 T/A's?
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Old Mar 25, 2009 | 11:16 PM
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all ls1s lq4'slq9, parts will interchange.. the motors are externally pyshically the same.. all g.m made,, cadilliac's,pontaic,chevorlet,gmc all interchange.
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Old Mar 27, 2009 | 06:56 PM
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I was not talking about engine parts, I meant suspension, steering rack and stuff like that.


Originally Posted by chevellepowered
all ls1s lq4'slq9, parts will interchange.. the motors are externally pyshically the same.. all g.m made,, cadilliac's,pontaic,chevorlet,gmc all interchange.
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Old Mar 27, 2009 | 07:28 PM
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i would recomend you get an ls1 roller car with the harness and everything ready then drop an lq9 or lq4 with ls6 heads unless your gonna boost it, then i would run the 317 heads.
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Old Mar 28, 2009 | 09:20 AM
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Originally Posted by zamora7
Alright guys I have a question. What would be easier to swap into a 97 trans am, an LS1 or LQ4 with a T-56 and which one would be cheaper. My car is currently auto and still has the LT1 in it and I was toying with the idea of an LSX swap. I'm pretty much new into this but from my understanding for the LS1 I will need the wiring harness, K-member, steering rack, fuel tank for the return system, PCM, T-56 mount, pedal assembly, slave cylinder, and what else? Also will all of these parts be the same for an LQ4 with the exception of the PCM? All of your input would be helpful.
5.3 would be cheaper for sure if buying a motor (anywhere from 300 to 750 complete)... everything will bolt up the same. 5.3 are down about 10% on power. 5.3 have a iron block which is slightly heavier but stronger than LS1 block.

you will need to swap k member for sure ecm harness. I would think fuel system is good. and LT1 t56 doesn't bolt to any LS series motors.
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Old Mar 28, 2009 | 09:43 PM
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Originally Posted by holley505
5.3 would be cheaper for sure if buying a motor (anywhere from 300 to 750 complete)... everything will bolt up the same. 5.3 are down about 10% on power. 5.3 have a iron block which is slightly heavier but stronger than LS1 block.

you will need to swap k member for sure ecm harness. I would think fuel system is good. and LT1 t56 doesn't bolt to any LS series motors.
I thought that the bolt pattern wasn't exactly the same, but that it would still work with 5 of 6 bellhousing bolts being used. Am I just mistaken?
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Old Apr 3, 2009 | 07:36 AM
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**** it will work just do it
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Old Apr 3, 2009 | 08:24 AM
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The LT1 T56 stuff is completely different from the LS1 T56, they are NOT interchangeable. The LT1 is a pull-type, the LS1 is a push-type setup so the mounting points for some of the components in the Hydraulic System are different.

As far as the rest of the questions about the Steering Rack and stuff.. F-body stuff is F-body stuff, it will interchange and bolt up. I have a 1995 Camaro with a 2002 T/A Steering Rack, Brakes, and a few other things from other F-bodies.

BTW..that is my Swap Thread that Schitzo posted, there is all that info in there..
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Old Apr 4, 2009 | 07:48 PM
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why wouldnt it work? he has all the stuff already hooked up to the t56, its just a throw out bearing being pushed into a diaphram what difference does it matter if the bearing is attached to an fork or to a slave cylinder. the bellhousing will mount up with a bolt missing. the only thing to consider is the length of the input shaft is long enough to go into the pilot bearing.
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Old Apr 5, 2009 | 03:24 AM
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^^The LT1 is PULLED from the Pressure Plate Diaphram.. look at it again.
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Old Apr 6, 2009 | 10:40 AM
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well after i may not do the swap. Hopefully i can get this 2000 WS6 in the next couple of days. That thing is nice and sexy. will post pics when i get it.
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Old Apr 9, 2009 | 08:32 PM
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ya i'm not really into lt1s biggest waste gm ever messed with in my opinion
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Old Apr 9, 2009 | 08:36 PM
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just to over engineer something simple (i.e. replace transmission) could you have some make a flywheel for an ls1 with an lt1 clutch and pressure plate? they were both internal balance engines right?
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Old Apr 10, 2009 | 06:46 AM
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^^The Input Shaft on the LT1 Tranny won't go into the back of the LS1 Crank, it's shorter than the Input Shaft on the LS1 T56.

For everything you think of trust me there will be something to **** you..you need to use a LS1 T56, Bell Housing and Clutch Setup/Hydraulics with any LSX Engine.. no way around it.


Originally Posted by 6.0mustang
ya i'm not really into lt1s biggest waste gm ever messed with in my opinion
Not necessarily, the LT1 can be built nasty.

Why talk about the LT1 like that..them Ford Engines must be really bad since I don't see a Ford Engine in you car going by your screen name there mr. ford tuff with chevy stuff..

Last edited by the_merv; Apr 10, 2009 at 06:51 AM.
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Old Apr 10, 2009 | 04:05 PM
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sourcing all fbody/lsx parts for the swap will be the easiest way.
a donor car will the most useful.
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Old Apr 16, 2009 | 04:19 PM
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you can make a 4 cylinder nasty too, but it still sucks.
and the lsx is the best ford motor chevy ever built.
lt1s are in the same class as 302, old and out dated. they had there days.
and since ford cant build a good push rod motor i went with an lq4, cause i'm not going to build a modular motor and buy multiple camshafts and it still be slow.
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Old Apr 16, 2009 | 04:28 PM
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Originally Posted by 6.0mustang
you can make a 4 cylinder nasty too, but it still sucks.
and the lsx is the best ford motor chevy ever built.
lt1s are in the same class as 302, old and out dated. they had there days.
and since ford cant build a good push rod motor i went with an lq4, cause i'm not going to build a modular motor and buy multiple camshafts and it still be slow.
TADA!!! That's what Im doing, all my friends are like "do wha?!?!" Im like hell yes ima dig in ur ford powered ***!! lol!!
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