Drag Racing Discussions > Front Engine Dragsters
fed weight
glofria:
slingshot383 it should be pointed out that most (if not all) nostalgia organization do not allow MSD Grid systems.
JrFuel Hayden:
The only MSD Grids allowed in FED's are Heritage A/FD and A/ND , B/ND in Comp Elim
noslin:
--- Quote from: JrFuel Hayden on September 20, 2017, 01:01:12 PM ---The only MSD Grids allowed in FED's are Heritage A/FD and A/ND , B/ND in Comp Elim
--- End quote ---
just getting involved with the nostalgia, can you please provide a little history as to why the grid is even allowed at all? i just get second wind of info like one of the msd boxes used in the past was discontinued and this is the replacement? grid is basically a programmable 7 without the ignition, although you add whatever ignition you want to it.
ty
dean
denverflatheader:
Dean – not sure on the “grid” chronology history. Comparatively, in many competitive arenas with at least two parties, when an unfair advantage is discovered, it’s typically followed by a complaint. The presiding body investigates with an outcome determined, and typically results in a new rule or modifying an existing one. This process is fluid, over time the original rule may not even be recognizable. Alan
JrFuel Hayden:
The MSD grid, i believe just can adjust the timing, in and out and in, it was was replaced with an older style. You set up the perameters you want with your lap top.
I think, and because I don't race Heritage A/FD, I'm not sure of how the timing change device all started, but I think it was about trying to control tire shake.
Kin Bates driver partner in the injected nitro series champs for all but one year, would have such tire shake it would shake the his fillings out of his teeth, ya really !
So I think that's when all the Heritage teams lobbied for the timing control devices.
The big show Top alky teams have always had ign control devices.
BTW, when some of the teams A/FD Heritage switched to the Heritage TopFuel tires [ 12-36-16] 1'st on M&H then M/T it improved the tire shake issue and now 2 teams have run in the 5's.
These "Bubba" tires are very stiff sidewalls, don't grow much and are real heavy, like 70 lbs with wheels, BUT they sure work.
Jon
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