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+--- Thread: Cm870 low boost high egt (/showthread.php?tid=10481)
RE: Cm870 low boost high egt - Wesoja2 - 09-04-2026
I haven’t had a chance to set it up to monitor in CT but insite is showing turbo speed derate once turbo hits about 90k rpms
RE: Cm870 low boost high egt - Rawze - 09-05-2026
(09-04-2026 )Wesoja2 Wrote: I haven’t had a chance to set it up to monitor in CT but insite is showing turbo speed derate once turbo hits about 90k rpms
at 90k+ rpm, those older 500-series turbos should be making very high boost. If not then something is very wrong.
Usually a serious restriction in the intake or exhaust. If not then the turbo exhaust impellers could be damaged.