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· Opel Addict Since 73
358 Posts
Discussion Starter · #1 ·
Someone recently told me the European GT/E Manta for 1975 had the same F/I that US Mantas got...but the GT/E had flat top pistons and a different cam. Can anyone confirm this fact? Also... if this was true, does anyone have the piston and cam specs for the 75 GT/E Manta. What was the compression ratio for this engine? Thanks. -SD
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