Not Firing On 3&4
Posted 22 May 2012 - 06:15 PM
Mate of mine has a 998 block with +20 pistons and a 12g202 head on it with a 1 1/2 su and LCB exhaust with maniflow rear silencer,
Just had it apart to change the head gasket as blew between 2&3, changed all the stem seals etc and put everything back as found it, only now it won't fire on 3&4,
Tested compression and have decent compression on all four,
Changed the plugs and leads and have decent sparks on all plugs, running an electonic dizzy from a metro.. Have checked the timing, reset tappets, checked the carb over and still have no ideas?!
Any body have any suggestions?
Posted 22 May 2012 - 06:37 PM
Posted 22 May 2012 - 06:42 PM
Posted 22 May 2012 - 06:59 PM
Posted 22 May 2012 - 07:06 PM
Posted 22 May 2012 - 07:40 PM
Posted 23 May 2012 - 01:53 PM
Posted 23 May 2012 - 03:52 PM
Whip rocker cover off and spin engine over and make sure all valves open and close as expected.
From there I would check your leads are in right order and that 3&4 arent swapped over.
Are the plugs wet when you take them out of 3&4??
Edited by Boomboy77, 23 May 2012 - 03:53 PM.
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