MC-1 with MC-2 components

Jorgen Karlsson jorgen.m.karlsson at
Sun Jul 1 15:28:16 EDT 2001

How is the compression lowered? The JY is a high compression engine.

Jorgen Karlsson
Gothenburg, Sweden.

> My '90 200TQ has got an early engine (JY) with low compression & K26
> turbo (water cooled), but the injection, vacuum layout, ignition,
> computer (MAC-14), harness etc. is from an MC-2. For some very strange
> reason, the engine has got both knock sensors installed, despite being
> that old. From what I can see, both the chipped and non-chipped MC-2
> runs lower boost than the MC-1. How is this setup performance-wise
> compared to a complete MC-1 or MC-2 setup?

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