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Topic: MSD box
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RAP66
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Member # 3360
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posted
 
 
knocking (or pinging).... detonation??
Is the control box the one supplied with your SC Kit?? It's a Ign/Boost control system.
Are you tuned? sounds like you have a few possibilities going on:
assuming it's pinging then you might not have enough timing, which a tune would take care of.
or you could be blowing out the spark
what are your plugs gapped to?? If it's stock settigns then your blower could be blowing it out.
In any case I dont think an ignition box would help you out much. Figure out WHY your getting knocking first, I think once you get that done your knock will disappear.
[ May 18, 2010, 07:24 AM: Message edited by: hard jokur ]
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91GT Kurgan Tuned:12lbs of boost 492.4 rwhp / 483.1 rwtq
http://killcarb.org/
www.fordstrokers.com
Posts: 893 | From: SF Bay Area | Registered: Oct 2003
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SCCA SM
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Member # 9758
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posted
quote:
Originally posted by hard jokur:
knocking (or pinging).... detonation??
Is the control box the one supplied with your SC Kit?? It's a Ign/Boost control system.
Are you tuned? sounds like you have a few possibilities going on:
assuming it's pinging then you might not have enough timing, which a tune would take care of.
or you could be blowing out the spark
what are your plugs gapped to?? If it's stock settigns then your blower could be blowing it out.
In any case I dont think an ignition box would help you out much. Figure out WHY your getting knocking first, I think once you get that done your knock will disappear.
my main problem is bog but knocking is annoying and i have to deal with it too.. what control box are you talking about?? boost control? ignition control?
no idea what my gap is.. they replaced and gapped new plugs when i was tuned..
i have the msd 6al box on with a msd coil..
im looking at new plugs so what is a propper gap? should i consider any special plugs?
Posts: 58 | From: Bay Area. sleep in 415 area live in the bay area ;) | Registered: Jan 2010
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Secnd2nun64
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Member # 1431
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posted
I don't think the BTM is going to help you. It only kicks in when you get under boost. If you have knocking and pinging cruising around town, you have some other issues going on. You may have your timing too far advanced.
Posts: 1460 | From: CA | Registered: Jun 2002
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SCCA SM
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Member # 9758
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posted
i dont drive like granny.. i dont drive like i stole it either.. im under boost a little of the time but the knocking happens mostly 4th gear up a hill or 5th gear up a hill. never knocks in 1st-3rd.
so until i am above a nutral manifold pressure the btm wont retard my timing? that sucks.. its useless then.
has anyone tried to replace spark plugs on a car with a kenne bell blower? i did and i cant reach 3 of the 4 plugs on the drivers side bank.. damn supercharger is hanging right over that valve cover and stupid strut tower brace is also in the way.
who wants to put new plugs in for me? 20 bux? anyone?
Posts: 58 | From: Bay Area. sleep in 415 area live in the bay area ;) | Registered: Jan 2010
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