Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old May 7, 2025 | 08:09 PM
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Default New to LS3. Lost.

Long one. Brand new. Just took a1970 c-10 1/2 ton ive had for over 20 years, swapping to a 2014 camaro 6.2 w/the TR6060. Bowler all-in-one harness for trans? Y/n? Dirty dingo slider mounts? (Wtf will fit with a stainless header full length tube setup? Pn# helpful). Also.. donor camaro for fuse box for existing LS3 harness plugs? Power steering? What do i do there? Oops!🤔all help and advice appreciated. Also wanna do full length stainless w/electric cutouts part# for that also helpful. Thank you LS people!
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Old May 8, 2025 | 07:23 AM
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Check out Speed Engineering (their website) for your LS swap header solution.
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Old May 8, 2025 | 03:27 PM
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What are you going to use for an ECM and wiring harness? I like and use Speartech and Howell. They can supply the trans harness integrated into the ECM and harness along with a base tune to get you running. I use all GM parts.
My LS swaps are pretty mild.
You are going to have do something about the 6060 trans output shaft. It a 3? bolt fixed style. Not a slip yoke.
Power steering wise you need adapters for -6 teflon line for the pressure side. Regular PS hose for the return.
Didn't use any type of cut outs. Don't know of any built into the header flange.
I did use the Speed Engineering full length headers on a of couple swaps. They fit well and didn't leak.
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Old May 8, 2025 | 04:59 PM
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Figured i’d just use the ecm and harness that came with the engine and source a fuse box from a 2014 camaro ss to start. And the bollinger all in one harness for trans for now.
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Old May 9, 2025 | 07:48 AM
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Originally Posted by 70chevyguy
Figured i’d just use the ecm and harness that came with the engine and source a fuse box from a 2014 camaro ss to start. And the bollinger all in one harness for trans for now.
just buy a harness made for this combo, you dont need a camaro fusebox
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Old May 10, 2025 | 12:22 PM
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Originally Posted by 70chevyguy
Long one. Brand new. Just took a1970 c-10 1/2 ton ive had for over 20 years, swapping to a 2014 camaro 6.2 w/the TR6060. Bowler all-in-one harness for trans? Y/n? Dirty dingo slider mounts? (Wtf will fit with a stainless header full length tube setup? Pn# helpful). Also.. donor camaro for fuse box for existing LS3 harness plugs? Power steering? What do i do there? Oops!🤔all help and advice appreciated. Also wanna do full length stainless w/electric cutouts part# for that also helpful. Thank you LS people!
Depending which ECM you use, the bowler module may or may not be required
If it can be done in the ECM, I recommend avoiding the bowler unit

DD sliders are a poor choice on the C10
67-72 C10s use frame stands and mounts attached to the block. Sliders are solid plates bolted to the block, so there is nowhere for a rubber/poly mount
There are a number of companies that offer C10 specific mounts. I don't like any of them for 67-72's and custom make mounts. I prefer to slide the engine rearward and down for a better fit

Speed engineering makes the best budget swap headers. They often need a dent or two and will relax after a few heat cycles. For the money you can't beat them

Sell the 2014 harness/fusebox. Buy either a stand alone or aftermarket ECM (EX holley terminator)

Use a 2010 camaro PS bracket and pump or change the whole accy drive

Exhaust is more universal and can be decided later down the road

I would recommend reading about gas tank swaps. Specifically, the 1969 camaro tank under the bed. Holley makes a drop in sender which works well on LS swaps
In-cab tanks have a bunch of shortcomings and the in-line pump is both loud and short lived
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Old May 13, 2025 | 11:48 AM
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You guys rock. Thanks for the helpful info
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