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I would guess that this post is probably the most realistic and helpful post for those thinking about MS on the chrysler engine ever written.

:clap:

There is nothing that happens in our engine that is anywhere close to the timescales that even an ancient processor operates at.

First of all, any realistic sensors installed on the engine will...

Exactly. Its a strange jump in logic to go from "the stock system has problems I cant fix" to "replace the entire engine control system with something aftermarket and try to get that running...

Just out of curiousity what are you doing to a CB 2.5 that could make it worth anywhere near $4k? Worst case a bad tune will break pistons and kill the block. Most likely just break pistons. Its not...

A.J., this is great info.

Can you describe more exactly why you think wiring up MS for a batch fire 2.2/2.5 would be easy? Thats a critical task that many may see as time consuming or expensive....

Yes its the person footing the bill making the decision. Thats not an answer to the question though. How does that person decide if its worth it or not? Thats what this thread is. Laserdad asking...

The equipment needed to burn cals and log data from the stock ecu is:

Boost button flashable ECU $50
Boost button SCI cable $40
MPTUNE and MPSCAN = Free
Install tasks to get to tune ready =...

And just like those threads there is a lack of hard data to justify the additional time and $$$.

For instance, I'm planning a 450hp build, like lots of people. How do I justify MS? I see Shadow...

This is a good point. I have also been frustrated by not be able to log multiple auxillary inputs into MPSCAN, but I've found a way to allow MPSCAN to do just that. This includes external...

Exactly. Seems the money and effort should be directed elsewhere. What gains are to be had with megasquirt?