RB26DETT Tomei Internal Help

All Megasquirt 1 support questions. See also the Documentation

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proturbo
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RB26DETT Tomei Internal Help

Post by proturbo »

help me with the setup for my rb26dett drift engine
im using v2.2
i have 36-1 custom tooth crank wheel
my missing teeth are on the 9th tooth
i have fire on my spark
but my car wont run
is there anyone here could lighten me up what happen here

im using all original stock igniters, and coils also resistor box
proturbo
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Re: RB26DETT Tomei Internal Help

Post by proturbo »

i am changing into coil onplug now to make it simpler
Matt Cramer
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Re: RB26DETT Tomei Internal Help

Post by Matt Cramer »

:msq:
Matt Cramer -1966 Dodge Dart slant six running on MS3X
proturbo
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Re: RB26DETT Tomei Internal Help

Post by proturbo »

It runs perfectly matt... tomorrow i will attach pic..
proturbo
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Re: RB26DETT Tomei Internal Help

Post by proturbo »

here is my map base and logs
so far got 210WHP at Mainline AWD1200
using 92RON Pump Gas and 0.6Bar @12.5AFR

please advice me anyone who familiar with the engine
Matt Cramer
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Re: RB26DETT Tomei Internal Help

Post by Matt Cramer »

Without a wideband O2 signal in the data log, I'm pretty much flying blind about how to evaluate your tune. But there were a few things that jumped out at me:

1. Your duty cycle is going over 100% - you may need bigger injectors.
2. The battery voltage is seriously noisy. I recommend checking for grounding problems.
3. It's generally better to dedicate more cells in the VE and spark table to under 100 kPa and fewer to under boost.
4. What's with the huge bump in VE at 500 RPM?
Matt Cramer -1966 Dodge Dart slant six running on MS3X
proturbo
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Re: RB26DETT Tomei Internal Help

Post by proturbo »

I think u are right... im goin to repair all the important things.... including the tooth gear... and also all the electricity... will be back later... im having 210whp right now...
About the injc duty... i think its because im reading the rpm for the mainline dyno through inj pulse...
Well thanks so much for ur help... will be back soon....
Matt Cramer
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Re: RB26DETT Tomei Internal Help

Post by Matt Cramer »

If the RPM pickup is interfering with the MegaSquirt or holding the injector open, you've got some serious problems.

The injector duty is based on the MegaSquirt's own data readings and calculations. The Mainline dyno is totally of the loop here.
Matt Cramer -1966 Dodge Dart slant six running on MS3X
proturbo
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Re: RB26DETT Tomei Internal Help

Post by proturbo »

I will inform u again matt... soon after i fix this and that on that car...
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