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Discussion Starter #1
I have a 94 escort gt and want to run colder plugs..
I have two diffrent NGK part #'s.

BKR7E

BKR7E-11

Which one should i get or doesnt it matter?
 

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BKR7E
14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, ISO Length, Projected Tip, V-Power (V-Grooved Center Electrode)

NGK's unique V-Power design directs the spark to the edge of the electrode where it develops more rapidly, this increases ignitability even in lean burn conditions. In addition the NGK V-Power plug has all the features of their traditional plugs including corrugated ribs, pure alumina silicate ceramic insulator for greater strength and better heat transfer, copper core and triple interior seal.


BKR7ES-11
14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, ISO Length, Projected Tip, .044" (1.1mm) Gap

NGK traditional plugs are constructed for longer life and optimum performance. Corrugated ribs prevent flashover. NGK uses only the purest alumina silicate in its ceramic insulator which give all NGK plugs greater strength and better heat transfer. Copper cored and triple sealed to further aid in heat removal and prevent interior leakage.

You decide.
 

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Basically the same plug, but the 7E has snake oil V-power! whoo! Just get some NGK coppers.
 

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you want BKR7E-11

the -11 means a .044 gap, without it you'll get a .031 stock gap which is good for turbo cars.

why is it that you think you need colder plugs? i'm running heat range 7 (BKR7E) plugs at nearly triple the stock power, so unless you're boosted find it hard to believe that the 6's are causing problems.
 

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Discussion Starter #7
yea im not sure about the gap ether with nitrous i heard the v tip ngk's are alittle better cause they stay cooler or cool off quicker. thanks for all your help! :)

One more ? if any one knows .. what timing should i run for nitrous? i know 10 degrees is stock some say to retard your timing but i searched and searched but cant find what timing to run with nitrous..
 

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You can get away with a 100 shot of nitrous with out a new engine management system, but you'll have to retard your ignition and run at least 93+ octane.
 

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Discussion Starter #13
I already run 93 octane but on race day ill put some 100 octane from the local sunoco.. how much will i have to retard the igntion ?
 

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Well i'd run a 75 shot with a hundred octane and your ignition 2 degrees or 3 degrees retard. nothing more than that. you'll need to turn your distributor clockwise.
 
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