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Escort cosworth cylinder head bolt torques and order?

Old 05-02-2005, 05:38 PM
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DaveEscos
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Default Escort cosworth cylinder head bolt torques and order?

can anyone please list the torques and the order in tightening please

i want to check them, is this advisable? i mean should i go around and check them, tighten them if needed?

cheers
Old 05-02-2005, 05:56 PM
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Turbo lag
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up because I want to no as well
Old 05-02-2005, 06:08 PM
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i would say not to touch em mate.... as they are tourqed to a set spec then tightened a bit more normally 90 degrees .. so you would actually be overtightening em .. and they could snap
Old 05-02-2005, 06:10 PM
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DaveEscos
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ok mate, thought they had a final torque setting


cheers
Old 05-02-2005, 06:39 PM
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found the information you require

Lubricate head bolts at threads and under bolt head and install bolts together with washers.

Tighten cylinder head bolts as follows:

Stage 1 requires to tighten all bolts 30-35 Nm.
Stage 2 requires to tighten all bolts to 67 -70 Nm following the sequence.
Stage 3 requires the bolts to be tighten in degrees of rotating using a special gauge tool.

Following the sequence, each bolt is turned 80° - 90° of rotation

https://passionford.com/forum/viewtopic.php?t=63061


Old 05-02-2005, 06:44 PM
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Old 05-02-2005, 07:22 PM
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Dave, when I did my RST, Karl also said if you're putting a head back on, then leave it 20mins between stages.

I didn't use a special angle wrench, just a blob of tipex on the top of the bolt so I could see 90degrees..
Old 05-02-2005, 07:30 PM
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I didn't use a special angle wrench, just a blob of tipex on the top of the bolt so I could see 90degrees..

techy stuff there , but thats how mine where done after i got it back from paul hills , as he dont the standard ford settings, so i have 3 days between the first stage
Old 05-02-2005, 07:58 PM
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? explain
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