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post #12 of (permalink) Old 22nd September 2007
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Originally Posted by lagdti View Post
The headbolts should be a lot tighter than 30Nm!!!!!!

I'd re-read the tightening procedure..If you don't have one,I'll post one up for you later.
hi there did you check your bolt tightness as lagdti suggested? 30nm is no way tight enough!

1st stage 30nm

2nd stage 50+ or -4 degrees

3rd wait 3 mins

4th slacken bolts 1+2 (the middle 2 bolts) pre tighten them again to 25nm then re tighten to 213 +or - 7degrees

(working from the center out wards in a circular rotation as below)

8 4 1 5 9

7 3 2 6 10

5th carry out the same procedure as 4th stage to 3-4 5-6 7-8 and 9-10

if youve run it for some time chances are youve done the new gasket in! retighten and see what happens youve nothing to lose! good luck colin
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