Manufacturers

1.4L 8v - 840 730

1.4L 8v - 840 730 

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1.4L 8v - 840 730
The 840 730 is the 1.4 8v of the R5 Turbo, found on some records under the C1J code, and it is the only page in this family where two piston makers are offered on the same bore. WÖSSNER and JE PISTONS both run 76mm, 77mm and 78mm: JE hold 7:1 across all three, WÖSSNER go 7:1, 7.2:1 and 7.3:1. Those are the lowest compression ratios of the three 840 pages, which is what a heavily boosted engine asks for. CATCAMS sport camshafts complete the page. The choice between two forging houses is therefore a real one, made on matching bores.