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  #1  
Old 28-12-2005, 18:15
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Question Looking for reassurance

Last week i set my ingnition timing to 17.5 deg. btdc and all seemed well,
but I noticed that on acceleration it appears to advance itself wildly, having not read anythiong about this in the s12 bible im feeling paranoid...

Is this normal or is something wrong?
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Old 28-12-2005, 18:33
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What do you mean its advancing itself? Do you mean whilst actually giving the car a blast, or just increasing the revs.

Its normal for the timing to advance with revs to about a max of 35 degs
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Old 28-12-2005, 19:11
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Thank you martin I meant while revving it at stand still

Ive heard of that before but never knew s12's did it too

Cheers again
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Old 28-12-2005, 19:18
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Cool...

Where this s12 bible anyway?
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Old 28-12-2005, 23:31
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In the drawer underneath my bed
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Old 30-12-2005, 22:06
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if i remember correctly from one of martins other posts on forums, the Throttle pos switch advances the timming to 35 deg, so on tickover you have 17deg the slight touch of the throttle it goes to 35deg.

correct me if im wrong

im also still looking for an s12 "bible" on CD if anyone that has one wants to copy it for me ta

i just got one for my stepdads terrano, its fooking brill!!!!!
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Old 30-12-2005, 22:11
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I think the S12 bible that Dr Silvia is referring to is a wank mag lol...

I've got the service manual but you cant get it on CD.

When the TPS is opened it advances the timing by about 8 degs. As the load is increased, and so is the RPM, the timing will be advanced to around a max of 35degs
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Old 31-12-2005, 00:20
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lol yes a rare edition of mayfair with some girl draped over an s12 but dont worry, i could never take your spot as club perv
was ofcourse referring to the service manual, making no mention of timing changes outside of idle speed 35 deg seems about right cheers

Last edited by Dr Silvia; 31-12-2005 at 10:13.
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Old 31-12-2005, 12:50
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Quote:
Originally Posted by Dr Silvia
some girl draped over an s12
scan the pic and post it up on here dude
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Old 31-12-2005, 13:49
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U've spent too long at Heathrow Rich

Besides the point i don't have a scanner

Last edited by Dr Silvia; 31-12-2005 at 15:37.
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