MSD installed
#1
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MSD installed
Well, it finally happened. I lost all spark today. So I caved and cracked the wallet for an MSD5 and Blaster2 coil. Fairly straightforward installation.
The only problem I have now is that my (aftermarket) tach needle is bouncing around 2K RPM at idle, but it smooths out and reads accurately (I think) once true RPM reaches about 2500.
Any suggestions?
The only problem I have now is that my (aftermarket) tach needle is bouncing around 2K RPM at idle, but it smooths out and reads accurately (I think) once true RPM reaches about 2500.
Any suggestions?
#3
Contributing Member
Is the tach hooked up to the tach lead on the MSD box or straight off the coil? If it is on the coil, it is reading the extra coil fires at low rpm and misinterpreting them thus giving the screwed up reading. As engine speed increases, the multi firing coil evens out and the tach gets a better signal to read. MSD provides a tach hook-up point just to eliminate this problem.
Last edited by toy283; 03-13-2007 at 07:09 PM.
#5
Contributing Member
How about the tach adapter mentioned on the bottom of page 3 and shown better on page 4?
http://www.msdignition.com/pdf/5200_frm18162.pdf
http://www.msdignition.com/pdf/5200_frm18162.pdf
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