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Did a little upgrade yesterday...
- Thread starter njaremka
- Start date
njaremka said:guess what i did yesterday morning......
lookin good man! da "winter" sig is great too...
its a complete 1.8 set-up from the valve cover up, including wires and coil pack.
total approximate invested cost was about $150
i went this route because i had started getting a random misfire from one of my stock coils, and i didn't want to spend $140 for two new stock coil packs. plus, i had heard that the 1.8 ignition was a little stronger when running off the stock computer.
total approximate invested cost was about $150
i went this route because i had started getting a random misfire from one of my stock coils, and i didn't want to spend $140 for two new stock coil packs. plus, i had heard that the 1.8 ignition was a little stronger when running off the stock computer.
thats what i want to know, iwas thinking about make the changeAlejo_NIN said:is it really an upgrade or actually a downgrade?
since direct spark coils (like ours) are supposed to be better than those
what i have heard is that the coil on plug design is better when operating from an aftermarket ecu, and that the system i put down is more efficient when running a stock ecu.
i did notice the car operating a little smoother, and pulling smoother up to redline. i did have a bad coil on the old set-up. so, i don't know if it was placebo or not. what i can tell you, with full certainty, is that i am happy with how it turned out.
i did notice the car operating a little smoother, and pulling smoother up to redline. i did have a bad coil on the old set-up. so, i don't know if it was placebo or not. what i can tell you, with full certainty, is that i am happy with how it turned out.
well, you felt a difference because u had a bad coil, so i guess it was better than nothing
but, direct spark is so much better
i was actually looking under the hood of my wife's car..and to my surprise, her car is a V6(that is not the surprise) and every sparkplug has its own COIL!
so there is time for the coil to accumulate energy for the enxt spark. having to wait 1 cycle to recharge i think it gives it a more strong and accurate spark and also cooler temps...
IMO i think direct spark is the best
maybe with the set up you have MSD ignition coils could do the trick also....and replacing the cables for thiker, more strong cables.
but, direct spark is so much better
i was actually looking under the hood of my wife's car..and to my surprise, her car is a V6(that is not the surprise) and every sparkplug has its own COIL!
so there is time for the coil to accumulate energy for the enxt spark. having to wait 1 cycle to recharge i think it gives it a more strong and accurate spark and also cooler temps...
IMO i think direct spark is the best
maybe with the set up you have MSD ignition coils could do the trick also....and replacing the cables for thiker, more strong cables.
i know its because i had a bad coil.
also, the coils i have now are physically bigger than the old ones. the wires are larger, too.
the set-up, if you really look at it, isn't all that different. what i like is that each wire now has similar resistance to each other, which the old set up really didn't. the biggest difference is that the two coils are not right on top of the two plugs, but mounted to the front of the head. other than that, its pretty much the same set-up. thats why the conversion was relatively simple to perform.
also, the coils i have now are physically bigger than the old ones. the wires are larger, too.
the set-up, if you really look at it, isn't all that different. what i like is that each wire now has similar resistance to each other, which the old set up really didn't. the biggest difference is that the two coils are not right on top of the two plugs, but mounted to the front of the head. other than that, its pretty much the same set-up. thats why the conversion was relatively simple to perform.
yashart@work
Member
I believe switching to 1.8 coil packs are an upgrade. A few other members have done this, and the results have been noticable. Here are what a few members have said about it in various threads:
Topher said:well, i've been told these coils are stronger than the stock coils. they're supposed to smooth out your powerband and give you a little (and i do mean little) more hp and torque.
i'll say this. these were on my p5 until i traded it in. the guys in the shop asked me what i did to the car after i took them off because the throttle response wasn't there and it wasn't as "peppy" as it was before.
funktownp5 said:This is my setup, the only reason i changed coils is that the stock coils would
overheat and start to miss. Havent had any problems with these, just
rearranging stuff to make them fit.
Topher said:i've upgraded the coils in the p5...i'm currently running 1.8L updated coils...they give you a better spark and smooth out your powerband...even tri-point runs these. not a bad investment.
flat_black said:A little smoother idle, and seems a little more eager up in the higher range, from my experience.
flat_black said:The 1.8L coil pack (It's a single pack, with twin coils attached to one and the other) presumibly allow for more even spark distribution.
The twin coil with leads system seems to, at least in my experience, 'bake' the spark plugs directly under the coils on cylinder 2 and 4. Here's a picture of the ceramic at the base of the plug browned, and a nice, fouled ignition front. The Protege's I've worked on with the FS-DE, have all shown signs of this happening, consistantly.
The WSC Protege's use them, as well. I'll be trying them shortly, so I don't have to change my plugs every month. But we'll see how it turns out.
Topher said:i bought them because a VERY reliable source (mazda master tech i know) said that these help smooth out the power band and have a hotter spark. they're about $30-40 + wires.
and trust me...the guy who recommended these to me probably knows just as much, if not more about these cars than anyone here. he's a mazda freak too.
YAH, ME TOOnjaremka said:i think i have to agree with everything quoted there.
maybe i'm retratcing myself
it just made sense about the coil being on top of the spark plug
but everything said on the quotes makes even more sense as i've experience the yellowish discoloration on plugs on cyl 2 qand 3 and it was weird
does the 1.8l are the only ones that work?
would there be a way of using an external pack? it would be cool having a MSD ignition with one big coil..
anyways, what years can we get these coils from?
i don't think there is an aftermarket coil that will work with the stock system. (but i've been wrong about some things before)
my set-up consists of the following:
NAPA 1.8 Coil Pack
Mazda 1.8 Plug Wires
Mazda 626 Valve Cover
those are the bare minimum parts required to do the conversion.
to make it look cleaner, and for maintenance purposes, i added the following:
Mazda 1.8 Ignition Coil Bracket (P/N FP47-18-105)
Mazda Valve Cover Gasket (to make sure i got no leaks)
The coil bracket replaces the existing bracket that Mazda has the condenser and ground lug mounted to.
my set-up consists of the following:
NAPA 1.8 Coil Pack
Mazda 1.8 Plug Wires
Mazda 626 Valve Cover
those are the bare minimum parts required to do the conversion.
to make it look cleaner, and for maintenance purposes, i added the following:
Mazda 1.8 Ignition Coil Bracket (P/N FP47-18-105)
Mazda Valve Cover Gasket (to make sure i got no leaks)
The coil bracket replaces the existing bracket that Mazda has the condenser and ground lug mounted to.
so u have to change the vavle cover to upgrade the coils, there is no way upgrade with out the without changing the cover?njaremka said:Mazda 626 Valve Cover
those are the bare minimum parts required to do the conversion.
willkill said:so u have to change the vavle cover to upgrade the coils, there is no way upgrade with out the without changing the cover?
you can do it without upgrading the valve cover, but the plug wires won't seat onto the plugs. the 2001+ valve cover has ridges around the plug holes, which interfere with the plug boot. by changing out the valve cover, the wires will snap down onto the plugs the way they were meant to.
i had been running around with my original valve cover and teh 1.8 wires for about a month or so. and every other day, i had to pop the hood and make sure the wires were still in contact with the plugs.
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