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flatheadmurre · 09-21-2018, 01:34 AM

Start by putting a vacuum gauge on it.
This will tell you what powervalves to aim for.
To big number powervalve and you have rich condition on idle/cruise.
Real hard to tune an engine on distance.
Get an Air/Fuel gauge and install it in the car takes a lot of the guesswork away.
Fuelpressure gauge is also in my setup when tuning an engine.

09-21-2018, 01:34 AM	#2
flatheadmurre Senior Member Join Date: Apr 2015 Location: Sweden Posts: 3,045	Re: Flathead V8 Problem Start by putting a vacuum gauge on it. This will tell you what powervalves to aim for. To big number powervalve and you have rich condition on idle/cruise. Real hard to tune an engine on distance. Get an Air/Fuel gauge and install it in the car takes a lot of the guesswork away. Fuelpressure gauge is also in my setup when tuning an engine.