les
|
| posted on 30/5/07 at 05:31 PM |
|
|
rough running help needed!!
Hi all,
have sva coming up, dont think engine is running well enough to pass sva emissions- 2L zetec with r1 bike carbs
and megajolt. all working but i have no idea which way to adjust things!!
engine will rev, but lots of popping, backfiring and spitting back through carbs!!
help!!
les
|
|
|
|
|
britishtrident
|
| posted on 30/5/07 at 05:50 PM |
|
|
Weak mixture for starters
|
|
|
les
|
| posted on 30/5/07 at 05:58 PM |
|
|
ok, so with bike carbs that would mean new jets?
forgot to say manifold and carbs from bogg brothers what stated they were more or less set up for a zetec,
could it be ignition?
les
|
|
|
flak monkey
|
| posted on 30/5/07 at 06:01 PM |
|
|
Air leak between carbs and manifold or manifold and block.
Either that or ignition timing miles too far retarded. Have you set the MJ up properly?
Sera
http://www.motosera.com
|
|
|
les
|
| posted on 30/5/07 at 06:24 PM |
|
|
did definatly have an airleak to start with
as it was making a whistling noise, so changed inlet manifold, so i guess look for airleak where carbs join manifold?
have got megajolt up and running, using tps. have set the tps bins using the calculator, when running , all works, tps and rev counter readouts work,
and red square moves to show ignition advance.
have a map downloaded from megajolt site, dont really know what else to do?
|
|
|
les
|
| posted on 31/5/07 at 08:37 PM |
|
|
ok, have balanced carbs, checked for air leaks- nothing found, ignition is fairly standard map, timing light shows megajolt working
only thing i have found is exhaust leaks where the 4 branches from the engine go into one, and again where that section goes into the silencer- have
realised that i didnt put any sealant on these joints,
before wrestling the exhaust off, could this be the problem?
|
|
|
