Very very slight hesitation

bigwinn

Elite
 Lincoln UK
Site Supporter
So small you’d miss it- but I don’t!

2.5 M54. Vanos done.

When I’m driving it hard up through the gears, the very slightest flat spot at 4100 revs. Every gear.

Thoughts?

Cheers

Stuart
 
Just guessing, but he DISA flap should open at 3750 rpm and a failure to do so would result in a lack of power until it opens.
 
Good to know Mike

Checked it when I got the car but will be worth another check
 
bigwinn said:
Good to know Mike

Checked it when I got the car but will be worth another check
First time I overhauled one I did it up too tight.
Would move under finger pressure but stuck a bit.
Check it's not fouling. Only takes a little bit of carbon.
 
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