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Re: was Re: Weepy Head Gskt Fix!is stretch bolt defence clamping methods,
In message <01bd13d6$3e66de60$082c460c@yo> "Mik Tip" writes:
> I have worked on engines(VW & Audi)where the OEM bolts can be removed by
Yup, so have I. Well, you have to stick the 12-point into the bolt head - but
you can turn the driver by hand. Especially between #4 and #5 cylinder.
> Attributed to factors inherant to the stretch bolts, combined with the
> continual heating &
> cooling, along with the different rates of expansion and contraction between
> aluminum head and steel block!
I've never seen a safe attribution other than failure of re-used head bolts.
> The only way to correctly "fix" the weeping gasket, is to change it!
Amen to that. And the bolts, please.
> Installing the OEM bolts "may" allow the same problem to re-occur
> later on in the engines life. But most folk's dont keep a car that long!
Fresh bolts should be good for up to 250000km - that's the (apparent) design
> The Raceware's are an "improved alternative" to the OEMS, but at
> a price!
So far all of my experience with stock Audi engines is that stock parts are
best. Yes - deviate from the specification and you will need to change some of
the technology. Stay with stock (design) performance profiles and stock
components are far superior.
Committee Member, UK Audi [ur-]quattro Owners Club