Engine Systems

Everything related to engines, fuel injection, engine management, cooling, and exhaust systems. For engine-specific questions, please use the appropriate subforum.

Questions, repairs, and firsthand experience with the 17D, 17DR, X17DTL, and X17DT diesel engines.
Threads
94
Posts
685
Last Posts
kadett88 March 29, 2026 at 7:14 PM
astra17dr March 11, 2026 at 10:06 AM
Everything related to the smaller Opel “Family I” engines, including the C14NZ, C14SE, X14NZ, X14XE, C16NZ, C16SE, X16SZ, X16SZR, and X16XEL.
Threads
2.3k
Posts
22k
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astra f cabrio August 13, 2026 at 7:19 PM
LifeRacer August 9, 2026 at 5:30 PM
Everything related to the 1.8- and 2.0-liter Opel “Family II” engines, including the C18NZ, C18XE, C18XEL, X18XE, C20NE, C20XE, and X20XEV, as well as C20LET, Z20LET, and Z20LEH engine swaps.
Threads
1.9k
Posts
18k
Last Posts
LifeRacer August 15, 2026 at 3:04 PM
LifeRacer August 15, 2026 at 3:00 PM
Technical discussions, firsthand experience, and engine swaps involving the C25XE, X25XE, X25XEI, Y26SE, X30XE, Y32SE, and Z32SE.
Threads
95
Posts
907
Last Posts
242 March 23, 2026 at 8:21 PM
LifeRacer July 19, 2025 at 11:33 AM