Conversions & Swaps LSX Engines in Non-LSX Vehicles
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LTX --> LSX Conversion Sticky

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Old 08-04-2015, 09:55 AM
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Originally Posted by MrSlinger85
Any of you running LS3 top-ends with Cable throttle bodies? What did you do to mount the cables on the LS3 throttle bodies, and what cables did you use? LS1 brackets don't look like they'll mount. Thanks.
I made my own bracket. I just used some angle iron and used the front 2 holes on the manifold to bolt it down.
Old 10-30-2015, 01:47 PM
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Issue I'm having at the moment is after everything is in the car the driveshaft is to long , can anyone she'd any light on this for me.
1996 Trans am
6.0 swap
LS 4l60e
UMI tubular k member
Moser 12 bolt
Old 10-30-2015, 10:50 PM
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Sounds like cutting of the driveshaft is required
Old 10-31-2015, 08:39 PM
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Originally Posted by deuce4935
Sounds like cutting of the driveshaft is required


Believe it or not I found that there can be some differences in the driveshafts , got a shaft from a friend that came out of a 98-02 and ends up being just right
Old 12-22-2015, 01:11 AM
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I plan on using these mounts if I can't find a stock LS1 k-member local. Cheaper than going with a tubular K-member.


https://www.holley.com/products/ls_p...ts/71221002HKR
Old 12-22-2015, 06:18 AM
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Originally Posted by LT1BADZ
I plan on using these mounts if I can't find a stock LS1 k-member local. Cheaper than going with a tubular K-member.


https://www.holley.com/products/ls_p...ts/71221002HKR
Anyone know if these will fit tubular LTx k-member?
Old 12-22-2015, 06:01 PM
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Originally Posted by Gunters96lt1
Anyone know if these will fit tubular LTx k-member?
As long as the tubular one uses factory clam shell style, I would imagine so.
Old 12-23-2015, 08:42 AM
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Originally Posted by 93Z2871805
As long as the tubular one uses factory clam shell style, I would imagine so.
Yep that's what Im using now. Thanks!
Old 12-23-2015, 11:01 AM
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Originally Posted by Gunters96lt1
Anyone know if these will fit tubular LTx k-member?
Those mounts are supposed to be bolted to the OEM LT1 K Member.
I dont see how you could bolt them on a tubular K member.
Old 12-23-2015, 08:17 PM
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Originally Posted by RGSS
Those mounts are supposed to be bolted to the OEM LT1 K Member.
I dont see how you could bolt them on a tubular K member.
If they use a mount that has the factory style clam shell then it would be the same as bolting them on a factory LT1 K-member.
Old 12-24-2015, 07:21 PM
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Originally Posted by 93Z2871805
If they use a mount that has the factory style clam shell then it would be the same as bolting them on a factory LT1 K-member.
Yep all tubular k-members do not come with built in mounts.
Old 12-25-2015, 09:50 AM
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Originally Posted by sierravmax
Yep all tubular k-members do not come with built in mounts.
Some come with built in pedestals like the MWC ones.

http://www.midwestchassis.com/k-members-crash-bars.html
Old 12-25-2015, 10:21 AM
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Originally Posted by 93Z2871805
Some come with built in pedestals like the MWC ones.

http://www.midwestchassis.com/k-members-crash-bars.html
Apparently I miss understood what you were saying. I thought at one time I remembered seeing that tubular k-members were being made where you had to reuse the factory pedestals. I am very familiar with built in pedestals as I used the UMI roadrace ls1 k-member for my swap.
Old 12-25-2015, 10:31 AM
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Originally Posted by sierravmax
Apparently I miss understood what you were saying. I thought at one time I remembered seeing that tubular k-members were being made where you had to reuse the factory pedestals. I am very familiar with built in pedestals as I used the UMI roadrace ls1 k-member for my swap.
I believe you're right, I think for awhile only places like Racecraft, MWC, Spohn and Burkhart Chassis were offering ones with the built in mounts (LS1 only), the rest used factory bolt on style ones. However I don't recall seeing a built in LT1 mount, but in all fairness it's been at least 5 years since I've looked, lol.
Old 11-28-2016, 02:28 PM
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Originally Posted by LT1BADZ
I plan on using these mounts if I can't find a stock LS1 k-member local. Cheaper than going with a tubular K-member.


https://www.holley.com/products/ls_p...ts/71221002HKR
For anyone curious I bought these mounts and they worked great. I have them mounted on a PA Racing tubular kmember. The motor is right where it should be (not pushed back like some other mounts).

Last edited by Gunters96lt1; 12-01-2016 at 10:23 AM.
Old 11-28-2016, 04:08 PM
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Originally Posted by Gunters96lt1
For anyone curious I bought these mounts and they worked great. The motor is right where it should be (not pushed back like some other mounts).
Were you able to retain the Lt1 steering rack?
Old 11-29-2016, 08:11 PM
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Originally Posted by sierravmax
Were you able to retain the Lt1 steering rack?
No I wasn't. But I am running forward truck manifolds. I guess I should have said that. I think longtubes might fit though.
Old 11-29-2016, 09:50 PM
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Originally Posted by Gunters96lt1
For anyone curious I bought these mounts and they worked great. The motor is right where it should be (not pushed back like some other mounts).
This is great information. I wish they would have been out by the time I did my conversion. After runnig tubular K members on both my Lt1 and LS1 F bodies I very much appreciate the OEM K member for its structural integrity and rigidity. Alignment is much easier and precise too. I would have chosen this route for sure.
Old 12-01-2016, 10:23 AM
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Originally Posted by RGSS
This is great information. I wish they would have been out by the time I did my conversion. After runnig tubular K members on both my Lt1 and LS1 F bodies I very much appreciate the OEM K member for its structural integrity and rigidity. Alignment is much easier and precise too. I would have chosen this route for sure.
I actually have them on a PA racing tubular kmember....but they would work just fine with a stock one as well.
Old 03-22-2017, 07:41 PM
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I'm going 408 in my 96 TA this thread is awesome.

BUT that wiring harness looks like it's going to have me going crazy


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