opel GT, 4l60 or 80?
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opel GT, 4l60 or 80?
I am getting ready to start a turbo ls1 swap into a 69 opel GT, looking to make 700 rwhp max. Car weighed 1900 pounds with a SBC/glide combo. With a heavier car the 80 would be the obvious place to start but with such a light car will a properly built 60 cut it for a pure street car with occasional highway pulls? thanks.