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Discussion Starter #1
Phase 1
Test item : Vortec 5.3 V8 300 HP ( sorry you guys with the L6 have a jump on us 390 HP )
Ignition:

For the next couple weeks I will be asking the forum for ideas on HP.. I appreciate all your suggestions, with that in mind I will purchase the items, install them myself and then do time runs, hopefully this will benefit all the horsepower freaks in the room.
If you suggest an item please send me supplier & price so everyone in the room has equal exposure of all the information handed.....plus lets categorize every item as a Horsepower rating....



MSD 6A ????
8.8 mm wires : a must........
H/O Coil what is GM voltage output for stock?
Splitfire plugs????
 

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Wired

Hey Nickicss,

Craig here , I just wanted to share an issue I had with the MSD ignition wire set.
1.)They are not an exact fit ( not 90 degree at spark plug)
2.)They are too long and make contact with shock towers.
3.) The most disturbing is an insulation failure that resulted with rough idle,ignition break down at high rpm and load.I could hear the grounded wire popping under the hood.
I thought I was having trouble with my power tuner but it turns out that it was just a bad set of wires. I put my stock wires back in and the problem went away.
 

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Indexing

If you index a set of A/C Rapid Fire Plugs that would be the best thing you could do for your engine. Then wate for VARRAM to come out with there ram air intake next month. Also run a 175 deg. thermostat. Hey 53 what else can we tell him.
 
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Discussion Starter #4
good point

8.8 do not hot the MSD spark output, I had the same problem, the wires can be cut, spliced & shortened to avoid contact with the shock towers, plus the clear grease helps inside the boots to eliminate spark jump, I may go with the A/C Delco rapid fires which was suggested, any significant power increase?????
 

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Got no spark on my msd ignition due to bad ground. I just checked the connections and the ground wire. If the L.E.D. light turns on and there is no spark, then either you have a bad coil or a bad spark plug wire.
 
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