Welcome to Built on Purpose!
My name is Aaron and I have keen passion for my modified Datsun 240Z and cars in general. This webpage contains guides and information to assist you in your own build.
I have a presence on Youtube, Instagram as well as a podcast, Mod Tune Win Repeat. Be sure to subscribe to the newsletter and feel free to reach out for a chat!
Technical
Aaron’s videos and DIY guides gave me the motivation and confidence to work on my car.
I replaced the oil pump and fixed the ignition of my 240Z with relative ease.
Thank you Aaron! Keep up the good work.
I found Aaron's videos to be an excellent detailed source. Great content across the channel to help any car enthusiast and not just Datsun owners make informed modifications to their setup.
The in tank fuel pump setup and installation tutorial by Aaron was the best option to future proof my build without breaking the bank. A true DIY install without use of specialized tools was a plus too!
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Knowledge Base
Knock control tuning
Knock control tuning is important for any modified EFI engine. In this post I explain theory and practical verification of knock control tuning.
January 22, 2022
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Knowledge Base
How to determine spark plug heat range
How to determine spark plug heat range and why is it important? I’m glad you asked! It gets hot inside an engine right? How hot
January 8, 2022
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Ignition coil dwell calibration
Why calibrate ignition coil dwell? I am using a distributor based ignition for my EFI build and ignition coil dwell calibration will help optimise various
November 27, 2021
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Megasquirt battery voltage calibration
These days injector behaviour at different voltages is well understood. The speed of opening and amount of fuel delivered vary with voltage. Corrections are made in fuelling calculations to account different performance for differnt voltages at the injector. If what the Megasquirt ECU understands is the voltage at the injector is different in reality, then it is likely fuelling calculations will be incorrect. This is why the battery voltage calibration needs to be correct in your Megasquirt ECU.
September 18, 2021
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Manual Idle Air Control
The ITB idle air control conundrum Idle air control is generally a challenge with individual throttle bodies. This is from the sensitivity of throttle position
September 6, 2021
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1971 Datsun 240Z build log
Innovate dual wideband install (DLG-1)
Why a dual wideband oxygen sensor? I’ve chosen the Innovate Motorsports DLG-1 dual wideband gauge kit for my install into my Datsun 240Z. But really
July 25, 2021
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