LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Still another LS swap

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Old 05-31-2018, 12:21 PM
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Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Still another LS swap

Final, all of the plumbing and wiring are complete
Fabricated k-member ready for the engine
Left side view
Right side view
Old 06-01-2018, 02:21 AM
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Car: '89 Firebird
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Transmission: T56
Re: Still another LS swap

Looks like you made a SLA front suspension with ABS brakes. Got any more info on that?
Old 06-01-2018, 06:07 AM
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Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Still another LS swap

There are a lot more detailed pictures in the "Fabrication" board of the suspension under "Corvette suspension" and "Corvette suspension continued". There was a lot of fab work that went into it, which is why I posted it there, probably should have put it in the "Suspension" board and made it easier to find. I wanted to just highlight the engine this time, so glad to have that done. I'm working on the exhaust right now, including a double hump transmission cross member for the dual 3" exhaust. I'll post that in the "Exhaust" board.
Old 06-01-2018, 06:23 AM
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Car: 91 Firebird
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Re: Still another LS swap

You should cross post the exhaust here too

all exhaust ideas should be shared! lol
Old 06-01-2018, 10:48 PM
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Re: Still another LS swap

What air intake is that?

edit: nevermind I see it says ss, I thought it was a name brand.

Last edited by Billgluckman; 06-01-2018 at 10:59 PM.
Old 06-02-2018, 09:02 AM
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Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Still another LS swap

I made it from aluminum and opened up the hole in the inner fender for cold air. It is ceramic coated on the inside and houses a 6” round, 8” long K&N filter. The “SS” are my initials, it was my way of “signing” my work.
Old 09-11-2018, 09:03 PM
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Car: Red 1984 Z-28
Engine: 4.8 LS
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Axle/Gears: 3.73
Re: Still another LS swap

I don't mean to invade your thread soloc4, but do you have any information on your A/C setup? I have been considering doing something similar, but you are the first I've seen that has done something completely custom like that. Looks beautiful!
Old 09-13-2018, 07:41 AM
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Re: Still another LS swap

Did you modify the stock upper radiator shroud support? It looks nice and clean without the molded hose rest that these cars come with.
Old 09-18-2018, 07:00 AM
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Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Still another LS swap

Sorry for the delayed response, it's been a really hectic summer. The A/C system is a universal Vintage Air Magnum IV. The initial fit was good, running the lines inside the blower box was the real challenge. I welded in some sheet metal plates to smooth the firewall, but there was no other place to put the drier, so it's mounted on the firewall. As far as the radiator shroud, it is the factory piece modified for a dual speed/dual fan setup from the GTO I got the engine from. Some of this can be seen in my post in the "fabrication" section with the suspension.
Old 09-18-2018, 09:46 AM
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Re: Still another LS swap

Originally Posted by soloc4
Sorry for the delayed response, it's been a really hectic summer. The A/C system is a universal Vintage Air Magnum IV. The initial fit was good, running the lines inside the blower box was the real challenge. I welded in some sheet metal plates to smooth the firewall, but there was no other place to put the drier, so it's mounted on the firewall. As far as the radiator shroud, it is the factory piece modified for a dual speed/dual fan setup from the GTO I got the engine from. Some of this can be seen in my post in the "fabrication" section with the suspension.

Many thanks. I'll check it out.
Old 09-04-2019, 07:12 PM
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Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Still another LS swap


Attempted to start today, no joy! I’ll have to begin diagnostics. Fuel pump runs when the key is turned and the engine cranks but will not fire. AAHHGG!
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