Will MSD Blaster Coils Smooth a Out rough Idle?
Will MSD Blaster Coils Smooth a Out rough Idle? I have a large cam, and I was wondering if MSD Blaster coils would help improve my idle a bit, because they have multispark?
blaster coils The coils built by MSD are no different from the factory coils in the regard that they will only spark or fire as often as they are triggered by the controlling ECU. They may have a higher voltage output than the factory coils, but if the factory computer is controlling them, they will not operate in a different fashion than the stock coils they are replacing. My own two cents worth would be to look at the rough idle as a symptom and explore fuel mixture and timing settings to try to improve the idle quality with your current setup. My vote would be to save your hard earned money.
Originally Posted by jmm98LS1
lol, if you have a large cam the only thing that's going to smooth out your idle is raising your idle speed until it quits loping. 
msd coils will spark with more voltage so the unburnt gas that use to go through your engine with the stock coils will now be burnt which in return you make more power bc all the fuel is being used and not wasted. but the coils will not help the idle at all, my thoughts are to buy another cam with with high duration low lift and like a 115 lsa...
Originally Posted by bjamick
msd coils will spark with more voltage so the unburnt gas that use to go through your engine with the stock coils will now be burnt which in return you make more power bc all the fuel is being used and not wasted. but the coils will not help the idle at all, my thoughts are to buy another cam with with high duration low lift and like a 115 lsa...
Originally Posted by Cgillies86
Well, doesn't it lobe because it is missing? And if you increase the number of sparks would it not stop it from missing?
If you don't like that sound something is seriously wrong with you.
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Originally Posted by jmm98LS1
No it's not missing. Lope is caused by the overlap from your cam. The overlap is there to help upper rpm scavenging to produce more power, but at lower rpms it produces the loping sound you hear. To smooth out the idle of your current cam, you have to increase the idle speed and add timing....still not going to completely go away though.
If you don't like that sound something is seriously wrong with you.
If you don't like that sound something is seriously wrong with you.
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Originally Posted by JBM
NO. I wasted money on these coils. No smoother idle. No additional HP. But they are red...
Originally Posted by under pressure
The coils built by MSD are no different from the factory coils in the regard that they will only spark or fire as often as they are triggered by the controlling ECU. They may have a higher voltage output than the factory coils, but if the factory computer is controlling them, they will not operate in a different fashion than the stock coils they are replacing. My own two cents worth would be to look at the rough idle as a symptom and explore fuel mixture and timing settings to try to improve the idle quality with your current setup. My vote would be to save your hard earned money.
it did made my rpm a litle faster but, still very rough idle w/ a big cam. 
