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That would be great freez, if you could try to find the out put of the stroker crank for me.
That is a good price for the kit, the cylinder normally costs US$462.00 from the US. |
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By how many approx degrees would say if it were a Raptor to advance it low down?
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......what we really need is the Standard XT660 Ignition map...anyone???
it may actually need retarding..Kev...depending on mods.......... |
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I don't have any information...but timing isn't always Advanced for better performance...it can be Retarded too. (from standard) I have found that the 2004-2006 models the Ignition is 9deg @1450rpm and that the 2007-2009 models is 5deg @1450rpm......so both types are not the same..... but that is the only information I can find on XT660 ignition timing....i.e. not a lot! |
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If you want to know what the Raptors like as in ignition advance & retard speak to Freez as you know he has played extensively with these motors & has the dyno runs to prove what these motors want as in in ignition advance.. |
A few things I have learned with playing with ignition timing on the raptor and one XT.
One ignition curve does not work for all raptors. The compression ratio you run, bore size, fuel octane rating, all plays a big role in getting the ignition timing sorted out. I have built stock bore raptor with about 12.5:1 compression and tried their ignition maps on big bore, stroked raptor motors running 14:1 compression and it does not work. I did try a raptor ignition module on the XT and the stock XT motor did not like the stock bore raptor ignition maps one bit. Personally, I think the ignition module will not add much to the Xt's power output. The raptors have deliberate bad timing from the factory to reduce power output. the XT's don't have the same problem. |
Freez, which ignition module was that?
I want to raise the rev limit from 7200rpm, so I think I may need to sort out ignition/fuelling. Did the ignition module you used, raise the rev limit? thanks Freez |
I used a dynatek programmable ignition module made for a raptor 700. The unit will allow you to change the RPM limit, but is useless on an XT.
The XT's rev limiter is controlled by the injector, not ignition. I personally wish it was the other way round. the reason why I tested the ignition on the XT was in the hope of extending the stock XT's rev limiter to 8000 RPM plus, but no joy. So, in theory yes you can programme the dynatek ignition module to cut the Xt's revs at lower than 7200 RPM, but that would be stupid. the stock XT's rev limiter is already to low for my liking. |
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