[kalender1973]

Originally Posted by rldunn

Some sources indicate that the Russians obtained increased perfromance on the P-39 and P-40 by ignoring the rated limitations on the engine and operating them at excess pressure. The performance increase was off-set by decreased engine life requiring frequent replacement or overhaul.

RLD

As one russian pilot say about Aerocobra „either you get from Alison 120 hours life time or you fight with messer and focker”