2.5l MC

[Ameer Antar]

I think the J&S is the only route, b/c the sensor system is actually 
dependent on bore size. If you're changing the bore that dramatically, the 
MC sensors won't be tuned for the new block. On the J&S site, bore size is 
one of the bits of info they need to set up a kit. good luck.


At 11:24 AM 9/19/00, you wrote:
>Let's say I was to purchase a 2.5 liter short block from Eurospec,
>and use it with the rest of my '88 5kcstq motor.
>
>I was wondering if it were possible to, or rather what would it take
>to, convert the motor to dual knock sensor configuration, using
>parts from a later model MC.  Is it a complete swap, requiring the
>wiring harness and ecu (I assume ecu, that would be a MAC14,
>right, and I have a MAC11?)
>
>I thought that since the motor would be 8.5:1 c/r, that it might be
>better to have an engine management system that is supposed to
>be dealing with the higher compression.  Is it even a problem?
>
>Perhaps the J&S Safeguard knock sensor would be another
>solution to the same concern.  Is there anyone on this list using
>that device?  I saw on http://www.miata.net, in the forced induction
>classifieds (why can't we have one of these, so chock full of used
>turbo and supercharger kits!), someone sold a used J&S unit.
>
>Comments welcome.
>
>Later,
>
>Ken
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