Yes, a 4GJ2 turbo can be a direct upgrade for an NPR with a 4GJ2 non-turbo engine, as both engines share the same base design. However, you will need to ensure proper installation of the turbo components, including the turbo manifold, oil supply and return lines, and potentially an intercooler. Additionally, it’s important to consider the engine management system and fuel delivery to accommodate the increased power and boost levels from the turbo. Proper tuning will also be necessary to optimize performance and reliability.
It is doable, but it is not a matter of simply slapping on a turbo and rolling with it, and there are a lot of variables which need to be considered and dealt with when making such an upgrade.
No turbo will direct fit onto this car. There are many supporting mods that go along with a turbo that would have to be replaced as well.
If the car is the same as in it came out of a non-turbo and your putting it in a non-turbo it will work but if it came out of a non-turbo and your putting it in a turbo then it won't work. If it came out of a turbo and your putting it in a non-turbo it won't work. If it came out of a turbo and your putting in a turbo then it will work.
About 900-920 pounds for direct and indirect injection and 860 pounds for non-turbo.
Buy a turbo
VG30DETT is Twin Turbo VG30DE Non turbo
I think it has 222hp for the non turbo.
a non-turbo engine will not hold up to the turbos you will have to put in hardened internals
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1986 Supra was non turbo and 1987 came in turbo and non turbo.
You can start with Cold Air Intake, Then exhaust, then headers and ECU upgrade
yes