Spark Plugs
 

Okay guys I just got a brand new ignition from MSD.MSD 6AL MSD Billter Distributer, and blaster 3 coil. The question is what kind of spark plugs would be best for a modified 306ci?

Another question fro the spark plugs. When i choose them, i have heard it helps a little to cut the electrode to the center electrode. Is it really worth it?

Please help....Thanx

It would help to know which cylinder heads you have. But anyway go with regular Motocraft copper plugs. Like ASWSF32C or ASF32C for Iron heads. For aluminum heads usually the AGSP32C will work fine. Yes the copper plugs do not last as long but they will give better short term performance. Remember that "high performance equal high maintinance". Is this a N/A engine or a power adder engine? That makes a big difference in plugs. Is it a Drag race only engine? High Compression? Ect ect ect ect............................................?

they are ported E7's , 10.1 ratio 306 block, holley systemaxII upper and lower, tremec 3550, 4.10 gears, alumminum driveshaft kB pistons , 24lb injectors w/75mm mass air

Then you need the Motorsport AWSF32C plugs. Gap them to about .046 thou. If you are looking at getting that last 1/10 of a H.P. then have the plugs indexed and "side gap" the plugs. It is a lot of hassel but it can make the difference on a finicky engine.

With the right cam and a set of AFR heads (or Holley) that engine would rock!

i forgot to mention i have an E-303 cam, but getting AFR 205 very soon :)!!

With the AFR head use the AGSP32C spark plug. Be sure to use just a dab of antisieze on the plug threads so the plugs do not gall on the aluminum when you have to pull them out later. The E cam is nice, BUT there are much better cams available. Technology has come a long way with cam profiles in the last 10 years since that E cam has come out.

i have been wanting a better cam. Which cam should i go with since i am going to add a turbo after the headz...?

Comp Cams Makes a real nice cam for your application. Do not have the part # in front of me but will get it tomorrow. I can also give you the spec's tomorrow. Works great in blower or turbo applications and even in N/A cars. Have this cam in a 65 F/B Mustang, stock 5.0 short block, Edelbrock heads, ported, Edelbrock Performer RPM, 750 Demon, 5 speed, 4.10:1 gears, Street tires, (Dunlop D40M2) JBA headers, 2 1/2" dual exhaust, 12.6 @ 114 in the 1/4 mile. Same cam in a 331 cid 93 convert. Kenne Bell supercharged 12 psi boost. Stock processor, stock fuel rails, lines, 444 H.P @ rear wheels! 480 lb/ft torque @ rear wheels! Car passed Oregon DEQ emissions test for '03 thru the cats! This cam WORKS!

THat is sounding very nice, since everyone always wants to go faster!

Also one more question, what should the timing and fuel pressure be set at? the timing right now is at 14 and fuel pressure is at 30lbs

Timming and fuel pressure will have to be figured out on a dyno with a wide band O2 sensor. Depends on how much boost, what size fuel injector, pump, rails, lines, ect. Timming same thing. Start conservitive with about 24 degrees total and go from there. Again depends on how much boost ect...........

alright thanx for all the help!

Glad I could help. I will give you the cam# and spec's sometime tomorrow, in the P.M. I think.

Alright. I appreciate it

hey Technick what cam are you running sounds like a good cam is it the ex274????

I will have the cam part # and spec's later today . I have to go down to the shop to get the info.

plug gap?
 

Just curious...but why do you suggest gapping them at .046 when the stock gapping is .054?

What year you talking about Simi Stang? All of the 86- 93 5.0's that I know of (dose not mean I am right) have a stock gap setting of .042-.046. I know the 94-up went to the .054 gap. I am just going off of memory right now, you know how us "old" guy's get!

I have the cam specs now if anyone is interested. Just let me know and I will be glad to share.
Thanks