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engine building

4x4fun

By 4x4fun
in Engine Related

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4x4fun Full License

4x4fun

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Posted

Im looking at getting another engine for the old gtb since the current ones cooked.

Would it be of any benefit running a impreza sti engine with gtb heads and in twin turbo over a standard gtb engine?

Does any of the sti engines have any sort of forged internals?

Pretty much im looking at buying a cheapish engine which is going to be fairly indestructable and have potential to handle more power in future if i decide to start modding stuff

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Posted

as far as i know the WRX motor has normal alloy pistons and the STI has the forged pistons...

i beleave the wrx has a dome top piston with little cut outs for the valves (higher compression??????????????????) and the STI is a dished (lower compression????????????????) piston

someone correct me if im wrong tho???

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