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yes that coil will give you mpg and some performance gain. but you must gap your plugs to .50 or .55. also bumping your timing to 12*btdc with spout removed possibly more if you play with it you will notice improvements. good plug wires will complete this upgrade for sure and should be concidered for best performance. as set of ford 9mm wires work well.
I've been running that same model MSD coil for 2 years now and it is worth the money, I opened up my plug gap to .058" and have 9mm Ford wires along with the MSD coil. Ignition sytem upgrades do help in economy and performance. My truck starts instantly now with the MSD coil verses the stocker so it must be doing something right
Not to steal the thread or anything, but I already have the Ford 9mm wires. I would like to get that same MSD coil on my truck to improve things. I forgot the stock gap on my 88 302, but I have always been afraid to adjust the gap due to horror storys. Can I still use the motorcraft plugs I have in there or do I need to upgrade? Does the coil come with gap recommendations?
Thanks for the info...not really sure if I need a new coil or not. My the engine is sluggish at times, but that could be anything I guess.
I'm a rookie to FTE but there are many discussions suggesting pulling codes, check for vacuum leaks, check timing, fuel filter, purge selenoid giving a straight vacuum leak, timing chain slack, tuneup, THEN improve ignition, air intake, headers, exhaust etc. I'm sure an improved coil and wires will help but from what I have read I would spend my money to be sure the emission system is functioning as designed first by pulling codes with a paperclip like greystreak92 suggests. My 5.8 got frisky when I fixed four vacuum issues and installed a 460 air intake tube from a F-250. I'm sure some of the more knowledgeable folks will tune up my list for you and suggest what to do first.
My truck is running just fine, with no codes, and my fuel mileage is at about 11MPG in NYC and like 15 on the highway. I have a 302, and I just ordered a bunch of stuff from Summit and Rock Auto......two of the items were the MSD Blaster coil and a set of Ford Racing 9mm"s. The plugs have less than 10,000 miles on them so they will stay, and I have them gapped to .55 already so I am good there, but one thing I will do once I get these new parts on is bump up the timing to 12* or 13* BTDC and see if she will still be happy with mid-grade fuel?????
Like better ignition wires, improving an engine's ignition system is a means to an end. A high-output ignition system will rarely increase engine horsepower by itself, and any noticeable increase is usually the result of the new system reviving horsepower lost by a failing original ignition system. However, if an engine is modified to gain additional horsepower, little will be gained unless a high-output ignition system and ignition wires capable of delivering the additional spark energy (without effecting other engine components) are installed to enable the engine to take advantage of the modifications.
Generally, aftermarket high-output ignition systems are designed to enable a production engine to reach higher RPM, and provide the spark energy that will be needed to fire an engine that will be combusting different fuels at a greater rate than a production engine
<OAfter fitting a high-output ignition most people are tempted to widen spark plug gaps, and although the latest aftermarket ignition systems can easily cope with the extra voltage necessary to jump the larger gap, often the smaller diameter spark plugs used in most recent street engines will cause an engine misfire (usually at high RPM) after a few miles because the spark tends to track down the coating formed from combustion on the center electrode insulator in preference to crossing the widened spark plug gap. Also, wider-gap spark plugs will wear out prematurely. Owners of some modified street cars have found differences in acceleration response by altering spark plug gaps, but generally, if Magnecor Race Wires are used, the best response will be attained with a standard gap. Again, experimentation is always necessary.</O
<O
You can meet out behind the schoolhouse if you got any other comments you'd like to make
Popa Tim</O
</O
I've been running .058" gap on the same sparkplugs using my MSD coil for two years with no issues whatsoever like premature spark plug wear and misfiring. I gained about 1/2 mpg with the hotter coil and upgraded ingnition components and the truck starts effortlessly. No, you wont gain horsepower by getting a MSD coil but you will get a smoother running engine and better throttle response. This is from my personal experience
popa, your post is probably correct for that wire manufacturs specs when using there wires. upgrading the ignition helps give better spark through out the entire rpm range. helps 4x4's when offroading at low rpms and racing for hi rpms when spark tends to fall off. now i said performance gain not hp or torque gain. it all helps the system work more efficiently giving better combustion = better use of fuel. for a speed density system as well thats bank fired this helps considerably in mpg savings. and for our brick on wheels ever little bit helps.
Well I just got my Blaster Coil at the Zone and installed it in the parking lot. I Noticed immediate improvement. Can I re-gap my plugs with only 8.5mm wires or do i need the 9mm Ford ones?
Well I just got my Blaster Coil at the Zone and installed it in the parking lot. I Noticed immediate improvement. Can I re-gap my plugs with only 8.5mm wires or do i need the 9mm Ford ones?
Gurahl and his Bronc'nstein
I would go for a new set of wires just because......but you can also go with a set of 9mm Taylor Spyro-Pro wires.....nothing but good reports......and I have known Taylor wires to be a very good choice in many other applications.
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