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pro_ke
Forums Junkie


Location:
adelaide
Registered:
April 2003
why wont it fire? (4k + dcoe webers) Mon, 17 May 2004 14:31 Go to previous message
ok along with the 2 40DCOE carbs i have just put a higher compression (approx 10.5:1) + modified head and more aggressive cam in/on my 4k, the problem i have is the motor will not fire when i crank it. here is what i have done/checked so far :

- fuel is 1 day old bp ultimate (old fuel completely drained)
- plugs are not fouled + brand new
- there is spark at the end of the leads (screwdriver test a-ok)
- fuel pressure is 5psi at the fuel rail
- carbs are full of fuel
- jets are not blocked (removed + blew them out to make sure)
- aux venturis are not blocked (also blown out)
- cam timing is correct
- dizzy is in correctly

yesterday when i removed the plugs to check for fouling i sprayed a little bit of aerostart down into each combustion chamber to see what would happen - when i cranked it the motor fired for probably 2 revolutions (still turning off the starter though). so basically if there is fuel in the c/chamber it will fire so im at a bit of a loss as to what to check next.

basically i want to get it running (if its very rough i dont care) so i dont have to waste a pile of cash towing it around to get a whole bunch of small jobs done (exhaust mods, interior etc)

anyone have any ideas?
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SubjectPosterDate
Read Message   why wont it fire? (4k + dcoe webers)  pro_keMon, 17 May 2004 14:31
Read Message   Re: why wont it fire? (4k + dcoe webers) GregaMon, 17 May 2004 20:10
Read Message   Re: why wont it fire? (4k + dcoe webers) mrshinTue, 18 May 2004 00:08
Read Message   Re: why wont it fire? (4k + dcoe webers) pro_keTue, 18 May 2004 00:17
Read Message   Re: why wont it fire? (4k + dcoe webers) GregaTue, 18 May 2004 00:27
Read Message   Re: why wont it fire? (4k + dcoe webers) pro_keTue, 18 May 2004 00:31
Read Message   Re: why wont it fire? (4k + dcoe webers) oldcorollasTue, 18 May 2004 03:14
Read Message   Re: why wont it fire? (4k + dcoe webers) pro_keTue, 18 May 2004 04:15
Read Message   Re: why wont it fire? (4k + dcoe webers) JasonTue, 18 May 2004 04:25
Read Message   Re: why wont it fire? (4k + dcoe webers) pro_keTue, 18 May 2004 05:39
Read Message   Re: why wont it fire? (4k + dcoe webers) [TOYROTA]Tue, 18 May 2004 05:25
Read Message   Re: why wont it fire? (4k + dcoe webers) YelloRollaTue, 18 May 2004 07:58
Read Message   Re: why wont it fire? (4k + dcoe webers) pro_keTue, 18 May 2004 08:26
Read Message   Re: why wont it fire? (4k + dcoe webers) YelloRollaTue, 18 May 2004 08:36
Read Message   Re: why wont it fire? (4k + dcoe webers) 10sec_rx7Tue, 18 May 2004 23:45
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