1641 valve clearance setting

[Stevep]

Hi. Would like to know the correct valve clearance for 1641 engine Vw say 0.004 but some say 0.006 any advice please! Thanks steve


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[flatbeat]

If it's got stock pushrods then 6 thou. If steel rods then you can set at 0 gap. Make sure engine is left overnight so stone cold before adjustment.

[JonnyCJ]

Hi FB - Going to do my valve clearances in the next couple of months. Do you use sealant or just good quality cork gaskets ? I’ve heard a school of thought to use sealant on the cover side only, due to different expansion rates do the heads and the covers, but would prefer to use gaskets only if I can.

[vwJim]

No sealants. Just a gasket, clean heat, good cover and strong bails.

[JonnyCJ]

Thanks Jim

[ted698]

They changed from 0.04 to 0.06 due to the smaller setting causing burnt exhaust valves - particularly on No.3
The factory increased it to 0.06 to give a bit more clearance and tolerance on the valves.
You can run 0.04 but be very careful with frequency of gap checks and note if any keep going tight - this means the valve is stretching.

[Stevep]

Thanks for all your advice


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[Stevep]

Just serviced my bus valves set to 0.006 and is fine no extra noise. Thanks


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[Huw]

They changed from 0.04 to 0.06 due to the smaller setting causing burnt exhaust valves - particularly on No.3
The factory increased it to 0.06 to give a bit more clearance and tolerance on the valves.
You can run 0.04 but be very careful with frequency of gap checks and note if any keep going tight - this means the valve is stretching.

Why do it then, VW say 0.06