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.

Some 5.3 Lsx Questions

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Old 02-11-2013, 06:41 PM
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Buggy Disaster's Avatar
 
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Location: Georgia
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Car: 91' Z28. 70' Dune Buggy
Engine: LSX Cam/Full Bolt ons
Transmission: T56
Axle/Gears: 4.10
Some 5.3 Lsx Questions

I'm looking into a 5.3 instead of ls1 because of my budget. I got a couple of questions. I'm having a hard time finding these answers.

1. What 5.3 should I look for?(Year, Vortec?, etc)

2. How much does it costs to change the accessories to fit under my hood?

3. With these mods, how much Rear Wheel horsepower am I looking at?
-224-250 cam(Im thinking GT1-1 cam).
-Stock manifolds with no cat, 3" cat back with cutout
-Ls1 Intake
-Ram Air intake

Drivetrain
T-56 with 3.43 gears
Old 02-12-2013, 10:06 AM
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Car: 1989 IROC LSX
Engine: 5.7 TPI - LS1 Forged by LME
Transmission: 700r4 - 4L60E
Axle/Gears: 3.23 - 3.73
Re: Some 5.3 Lsx Questions

Originally Posted by Buggy Disaster
I'm looking into a 5.3 instead of ls1 because of my budget. I got a couple of questions. I'm having a hard time finding these answers.

1. What 5.3 should I look for?(Year, Vortec?, etc)

2. How much does it costs to change the accessories to fit under my hood?

3. With these mods, how much Rear Wheel horsepower am I looking at?
-224-250 cam(Im thinking GT1-1 cam).
-Stock manifolds with no cat, 3" cat back with cutout
-Ls1 Intake
-Ram Air intake

Drivetrain
T-56 with 3.43 gears

Lots of swaps here with lots of different results.

https://www.thirdgen.org/forums/ltx-...ltx-swaps.html
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