There goes another one!

Rambling from the Sage of Oxford
Jamie
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Post by Jamie » Wed Aug 13, 2014 7:19 pm

Awesome, thanks for the updates...

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Charles
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Post by Charles » Wed Aug 13, 2014 8:18 pm

And there's more - just received a text to confirm that the head is back on and she should be running tomorrow :D

Clearly the HG turned up today!
Charles
Teacher of Chemistry and driver of ALPINAs - not necessarily in that order ;)
B3S Touring (49/116) - been to the moon and now on the way back!
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Charles
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Post by Charles » Fri Aug 22, 2014 11:34 am

Slight delay as one of the stud bolts was missing its thread on one end!!!

Anyway, car is back up and running and back at home :D

The new tappets have made a huge difference to extraneous noise, as has further work on the VANOS. Now you can hear the induction roar properly :twisted:

Pics to follow in due course as Mr Crouch is otherwise engaged at present.

Just need to work out why the aircon has stopped working ...
Charles
Teacher of Chemistry and driver of ALPINAs - not necessarily in that order ;)
B3S Touring (49/116) - been to the moon and now on the way back!
Renault Grand Espace - not mine but the wife's!

rc944
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Post by rc944 » Fri Aug 22, 2014 3:05 pm

good news Charles...looking forward to the pics

did you end up replacing all the stud bolts in the end?
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Charles
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Post by Charles » Fri Aug 22, 2014 4:33 pm

rc944 wrote:did you end up replacing all the stud bolts in the end?
We changed from a standard bolt set to an upgraded ARP stud system which has a separate bolt and nut.
Charles
Teacher of Chemistry and driver of ALPINAs - not necessarily in that order ;)
B3S Touring (49/116) - been to the moon and now on the way back!
Renault Grand Espace - not mine but the wife's!

ali
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Post by ali » Mon Aug 25, 2014 8:48 pm

Was this new gasket the copper one that had been discussed before or something different?
Glad the old girl is on the go once more
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Charles
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Post by Charles » Mon Aug 25, 2014 11:28 pm

ali-bumble wrote:Was this new gasket the copper one that had been discussed before or something different?
Multi Layer Steel item from Cometic - with customised bore and thickness.
Charles
Teacher of Chemistry and driver of ALPINAs - not necessarily in that order ;)
B3S Touring (49/116) - been to the moon and now on the way back!
Renault Grand Espace - not mine but the wife's!

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Post by ali » Tue Aug 26, 2014 12:17 am

Charles wrote:
ali-bumble wrote:Was this new gasket the copper one that had been discussed before or something different?
Multi Layer Steel item from Cometic - with customised bore and thickness.
Is that like a plywood version of steel?
Does metal have a "grain" as such?
I know you can rearrange the molecules with varying heat treatments but not heard of this multi layered stuff.
Let's hope it does the trick anyway.
What was the verdict on piston number 1 , did it need replaced or new rings fitted? Any damage to the cylinder itself with the gasket debris flying around?

Sorry about the lots of questions but I do find this sort of failure and re=engineering rather interesting :roll:
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Charles
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Post by Charles » Tue Aug 26, 2014 7:30 am

Think of it as a sandwich with two bits of bread and a filling. In the case of an ALPINA gasket, the filling is organic (fibrous) whilst the MLS version has a steel filling which can be of varying thicknesses to give you the overall thickness you want.

Have a read here

No1 piston was "retired hurt" - pictures to follow in due course but, amazingly, no damage to valves, head or cylinder bore
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B3S Touring (49/116) - been to the moon and now on the way back!
Renault Grand Espace - not mine but the wife's!

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Post by ali » Thu Aug 28, 2014 11:34 pm

That makes some interesting reading.
I had no idea about the fibre sandwich!!
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