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Author Message   Rockabilly Posted on Monday, February 25, 2013 - 08:00 pm:        Hi Guys. I'm attempting a carb conversion on my 1999 X1. I've installed a crane Hi-4 Dual Fire Ignition #8-1100 and the compatible rotor 32402-83. Problem is- when timing the bike there is no way i can adjust the ignition far enough to set the timing correctly- it's way out. I'm worried that i've bought the wrong ignition module. I notice in the fine print-"fits 1971 and up Sportster® (except XL 1200S)". Second issue: I only went for dual fire 'cos i had just bought a new coil but now i see that Crane recommends I buy one of their coils for the correct resistance. Will it run or do any harm to run with the OEM coil from FE bike? Thanks.   Harleyelf Posted on Monday, February 25, 2013 - 09:01 pm:        Use the timing mark on the crankshaft as visible through the inspection plug between the cylinders. Set the timing to the correct position and drill a new set of holes in the mounting plate. I use a single fire Drag Specialties cam position sensor and a M2 coil, tachometer, and module. Measure the resistance of your existing coil and compare it with what Crane wants. It should run fine. Your module is for a dual fire set-up. (Message edited by harleyelf on February 25, 2013)   Rockabilly Posted on Tuesday, February 26, 2013 - 04:22 am:        Yup. i considered that. I think a better option might be to rotate the timing rotor instead though. that way i'll still have the adjustment that the slotted holes in the Hi-4 allows. The manual gives the OEM coil as having primary resistance of 0.5- 0.7 Ohms. Crane manual says- "Coils used with the HI-4 must have at least 2 ohms primary resistance." Crane also recommends spiral core wires and i'm not sure what kind the stock ones are.   Oldog Posted on Tuesday, February 26, 2013 - 04:01 pm:        Yup. i considered that. I think a better option might be to rotate the timing rotor The shaft mount point is keyed to accept a tang on the cup, ( unless yours is different ) so you are going to make a new tang on the timing cup ? I would alter the plate mounting I think .. unless that means hacking the ign module. }   Rockabilly Posted on Tuesday, February 26, 2013 - 06:07 pm:        Problem solved. I didn't realise there is more than one TDC mark on the flywheel. Works now.

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