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For the power mixture screw, how many turns in from the fully out position is the factory setting. I need to do this from the fully out position as it is hard for me to tell the fully in position. It gets quite hard to turn in the further I go, I am not sure if it will go in further or if...

I have the B2 converter and a single 1 inch diameter hose connecting the converter to the Impco 425.

The 425 I have has hex key adjustments for both the idle and power adjustments. They are set quite deeply into the body of the 425, you can access them through a round plate with a small hole in the centre.

The current 304 I have in the Range Rover has 10:1 compression a small 202 @ 50" cam and 4 barrel manifold. I had a Rochester on it but removed it and put an Impco 425 on. I think I lost about 50hp and a lot of torque. The idle mixture I tuned with my Gunson Gastester, to 2% CO, but cannot work...

If I reinstall the banana manifold how hard is it then to put all the injection gear on. I only need LPG injection not petrol, I have had no experience with this at all.

I do have a banana manifold which I could use. My main concern is which of the 355 stroker kits I should consider using, and those that are not so good.

I am about to start the process of building a 355 stroker from a VR V8. The engine is for a Range Rover so it requires more low down torque than high horsepower at high revs. I have an open plenum manifold with an Impco 425 LPG carb, roller rockers and Commodore SS headers, the cylinder heads...