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        General >> Give/Need advice to/from others >> set no1 piston at 25mm?????
        
(Message started by: tiggerlit on Aug 23^rd, 2015, 1:58pm)

Title: set no1 piston at 25mm?????
Post by tiggerlit on Aug 23^rd, 2015, 1:58pm

hi hubby is doing the head gasket and it says set no1 piston at 25mm off the top dead centre. and the crankshaft at the same, so the cams will not be in the same position as they were when they came off. also would the piston be set on the upstroke or the down stroke.
any ideas please thanks

Title: Re: set no1 piston at 25mm?????
Post by tiggerlit on Aug 24^th, 2015, 9:55pm

anyone :'(

Title: Re: set no1 piston at 25mm?????
Post by Tompion on Aug 24^th, 2015, 10:47pm

It’s difficult to answer unless you give a link to where you got the information.
The manual I searched for said (prior to fitting the head) “Set the piston of cylinder no. 1 to 25 mm before TDC”.

Title: Re: set no1 piston at 25mm?????
Post by tiggerlit on Aug 26^th, 2015, 10:47pm

yep that's it

Title: Re: set no1 piston at 25mm?????
Post by Simmo on Aug 27^th, 2015, 2:11pm

The details are in The relevant page (http://www.fordscorpio.co.uk/DOHC2Lmanual.htm) here. ;)

Title: Re: set no1 piston at 25mm?????
Post by Matt on Aug 31^st, 2015, 2:47pm

The 25mm will be before you link the crank and cams via the chain, set the crank so all pistons are down in their bores, fit the head(s) and torque to spec. Set the cams to the correct position then bring the crank round to tdc for no1. Fit chain and rotate by hand with the plugs out to feel for any resistance