Colortune, or?

Started by ADRay, March 24, 2025, 07:09:16 AM

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ADRay

March 24, 2025, 07:09:16 AM
Good morning, I'm at the point in my Mini ownership where I need to invest in some sort of home garage tool to be able to dial in my SU HS4. I've seen videos of a Colortune being used, it seems easy and people like them.

Just wondering if anyone uses one, or if there is something better to be had for the purpose. Colortune is around $150, hoping to not exceed $200. Thanks
1982 Mini 1000 HL
@andyray998

MiniDave

#1
March 24, 2025, 07:29:40 AM
I've never used one, but it's really only usable for tuning the idle, right? I mean, you can't be running alongside while looking at them as it runs..... :grin:

I've always felt that the dyno/rolling road is the only way to get a carb dialed in correctly under all conditions, but an air fuel meter comes pretty close and they don't cost that much. You only have to get the bung welded in the pipe so you have the place to put the sensor.

They're all over the net for about $200
Complete failure at retirement - but getting better!

1972 Mini Racing Green
1972 Mini ST hotrod
2017 Audi Allroad - Glacier White - His
2018 Audi Allroad - Floret Silver - Hers

Mudhen

#3
April 16, 2025, 07:28:44 AM
Coolness, just ordered one of those!  If you haven't yet already, Andy, when it arrives we can play with it together.

What do you do with the 02 sensor, Dan?  I bought a bracket thing for attaching it inside the tailpipe, hoping that will work.

94touring

#4
April 16, 2025, 08:46:57 AM
Weld a bung in just past the Y collector. 

bikewiz

#5
April 16, 2025, 06:43:50 PM
I put mine just behind the rod change box. You'll find when you're under the car there isn't a lot of space or options to put the bung.
I believe Dan advised me to have the sensor at about 10 o'clock.

94touring

#6
April 16, 2025, 08:34:33 PM
Yeah you can angle it up slightly.
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