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Firing Order

Started by _1TUFSLR_ , Nov 22 2006 11:32 AM

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6 replies to this topic

#1 _1TUFSLR_

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Posted 22 November 2006 - 11:32 AM

hi guys ... jus need sum help asap on how to do the firing order......i have a book were it tells me which cylinder is what number.... but it doesnt tell me were to put the lead plugs it in which dizzzy spot....any pictures would help so that i can make sure its all correct

it is for a 308 but have been told 253 is the same ???

cheers

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#2 _CHOPPER_

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Posted 22 November 2006 - 12:55 PM

253 is the same. Firing order is 12784563 from memory. Have piston #1 on TDC on comp stroke and see where the rotor button is pointing. Place #1 lead there and work your way around.

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#3 ls2lxhatch

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Posted 22 November 2006 - 02:16 PM

You will need to remove the rocker cover to tell the difference between TDC compression and TDC exhaust.

Many distributors have a mark on the body that indicates #1 but there is no guarantee the distributor has been installed correctly.

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#4 MRLXSS

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Posted 22 November 2006 - 02:39 PM

Or just do it again the opposite way if it doesnt work.... So far every time i have pulled a dizzy out and put it back in i have been right every time!!!

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#5 _RpM_

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Posted 22 November 2006 - 03:48 PM

Trial and error for the win :-) ... You'll know when you get it wrong, hahaha...

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#6 _82911_

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Posted 22 November 2006 - 04:06 PM

A quick way to find the compression stroke.
Remove #1 spark plug and make a ball of damp tissue or dunny paper....
make sure it is larger than the plug hole, and stuff it in the hole so it is in around 1/2 way.
Now go the ignition and turn the engine over in "very small clicks " of the key untill you hear a pop and find the paper stuck to your bonnet!
Check the balancer marks and you wil be within 15 degrees of TDC on the compression stroke. You might be just past it or just before it so check the marks on the balancer.
Thi is accurate enough to throw the leads on the dizzy...
Now take the dizzy cap off.. the rotor is pointing at #1 plug. Go clockwise 12784563 is the order.
Done...

Cheers Greg..