Lazy

 

Finally, a real ignition upgrade for the RX-8 ffs. The BHR kit was a poor excuse for an upgrade as the coils are weaker then stock without tuning and then if you try to boost them, they're pretty useless to anyone actually trying to make power. It was just a big money grab from BHR because Mazda couldn't make a proper coil to save their life for a while.

My thoughts on this are... If your coils are dying, this would be a good upgrade for you even if your N/A as a stronger ignition will prolong the life of your cat/engine. And by engine I mean it will extend the life of your dying low compression engine. It will also help avoid flooding situations as well as assist in deflooding a flooded engine for whatever reason. A cleaner burning engine should also wear less as their will be less fuel wash so more internal lubrication which means more life. If your coils are healthy, then there is really no reason to get this unless you want to do preventive maintenance or have money to burn.

But as a final thought, I hope people stop buying BHR coils altogether at this point as they have become obsolete with this easy plug and play kit. Buying BHR coils at this point would just be continuing to feed a company that refused to offer a proper ignition coil kit even after making thousands on their discount piston coils.

thewird

 

I just got my 2005- It's stock except the prev owner took out the Cat and has a K&N Air Filter setup. It also has a Flowmaster Exhaust. He just changed the plugs 5000 ago.
I'm going to put back the stock Air Box, and change the Exhaust to the e-Bay OBX. I'm also fixing the A/C with new Compressor, Condenser and Pulley.
I want to get new coils as they have never been changed and i'm getting a lot of Misfires.
Should I buy this set or just go with the stock ones ? I appreciate all the help from you all !!!

 

I believe this setup is probably superior to the BHR.
If it had been available a year ago, I likely would have got it instead.

But the trashing of the BHR kit seems excessive now that a competitor has emerged after how many years of known coil problems?

I replaced all 4 of my coils at 23k with ones from Advance.
One of the OEM coils was bad and caused my cat to go bad.
I installed my BHR kit at 38k and I noticed significant improvements in performance.
I didn't dyno it, can't prove it, so someone can attempt to discredit it by saying it was a placebo effect.
I drive very hard, and very fast, much faster than most would agree is sensible, so I can honestly say it ran better.
Were the Advance coils junk?
Could be.
+45k now, still running strong.

 

Gee this garbage about OEM coils gets churned around and churned around and nothing sinks in.

99.9% of all the bad OEM Coils were the first iteration in ALL Series 1's up until the very end when Mazda put in the 'B's on the S1 40th anniversary model (roughly).
December 1, 2007 production to be exact, apart from a few months in early 2008 production the Series 1 halted and no RX-8's were made for 3 months until Series 2 started.

All S2 had 'B' coils and then the current C from the Spirit R (end of 2011).

Most of the guys who went for cheap OEM knock offs on eBay and others had major issues pretty quickly, but still for whatever reason blamed Mazda.

The many who went for GM Coils all did so with mileage on their cars and usually renewed spark plugs and wires at the exact same time...so obviously they would have noticed a difference.
I wonder IF their cars ran any better with just renewing to GM Coils only on old plugs?

Well every time I renewed my spark plugs (regularly) my car got a boost in performance, but my B coils lasted 7 years and were still going with no issues, I just renewed them as I have a couple of OEM sets I bought for $33 each, now $66 each (still have one new set left).

I am not saying there was not an issues with early A Coils, obviously there was otherwise Mazda's supplier would not have changed them for a one direction usage.
For an owner running a NA Renny, there is nothing wrong with current OEM 'C' coils at $274 a set.

But new babies look impressive and has a great provenance.
But for me I don't have a spare $650+ ship, when I have just renewed OEM's and have one more new set left, which on current use will last me close to 20 years?

I agree with thewird (most of it)

I wish SB well...

 

Biggest problem is people don't test anything properly. Can't tell you how many times something I thought felt faster was not backed up by real data. The same data backs up some of wirds commentary; without the proper dwell settings it's a step back. The OE spark wires have a short life IMO. All coils can fail, some don't get discussed openly on this forum ...

As far as trashing goes, the other thread where I brought the original subject discussion up speaks for itself. They won't fit, it'll burn the OE harness up, it'll burn your spark plugs up .... the ignorance ran deep in that one. Clearly the expertise of some people is more than questionable. Everything you need to build your own kit is there. The guy who sells the LS2 coil harness on eBay can make this one too. Looked at offering the kit myself, just decided it wasn't worth going through what you see took place several years back. If people want to stay in the dark it's OK by me ....

 

I don't question your knowledge.
I referred to it in another thread, some of us are new or relatively new and still learning.
It's hard to sift through all of the posts in multiple threads.
There are plenty of conflicting opinions and trying to figure things out here is tough.
Things that are common knowledge to the veteran members are all new to novices, and even plenty of vets disagree on numerous things.

 

I didn't want to jump in to try to peddle some "product", especially while everyone was discussing, so I wanted to respond after the thread calmed down. We're not here to turn a quick buck hawking coils... we put this together because we couldn't believe it didn't already exist when we picked up our shop RX8. We've been selling the FD IGN-1A kits for years at this point, hundreds of them... why it hasn't tricked down to the RX8 so far was something I couldn't wrap my head around.

detailed info on coils here: (some of the photos are not yet RX8 specific, we're waiting on finished components to come back)
Complete Package - IGN-1A Ignition Upgrade Kit (SE3P RX8) - SakeBomb Garage LLC


First off, the IGN-1A are NOT a step back from stock. The OEM dwell times are sufficient to light off fuel at any RPM with these coils. Do you need more dwell? If you're running water injection, boost, premix, etc. possibly but if and only if you're experiencing ignition breakup. That said, these will do the job of the stock coils at OEM dwell settings, and last forever. Our spark plug wires (around 100ohms each with double wall silicone insulators) will again last... forever. After years of abuse we've only seen a few ohm creep in resistance after pushing a ton of spark intensity through them. Low resistance keeps the wires cool, which keeps the insulator from breaking down, which keeps the resistance low, and EMF is not affected. We also now make OEM replacement plug wires using the same wire as in our IGN-1A kits... they will last the life of the car if you still run stock coils. RX8 OEM Replacement Spark Plug Wires


The wiring loom which is milspec and pulls power not from the OEM RX8 harness but it's own standalone harness will last essentially forever with a silicone and fiberglass heat sleeve... go ahead an lay it on your exhaust manifold, the wires inside will do just fine Also take a look at your OEM wiring connectors for the stock coils. Mazda thought it was acceptable to pull ignition power through those 20 gauge wires? I laughed, until I realized they were cracked and shorting on our shop car from years of heat. The stock ignition harness is terrible, sorry Mazda.

Are the IGN-1A coils better than LS truck coils? Yes. Do they make significantly more "power"? No. What they do is make the same power, but recharge faster. The LS coil was designed with different parameters like a low redline (last I checked redline was 6500rpm?). Recharge time was not on the list of priorities for the LS coils, and they needed to be produced in mass so they didn't bother building them to fire at 18,000rpm. Rotary redline is 9,000K+ times two. Since a rotary fires twice as often per rev that's really a 18,000Krpm+ redline as far as the LS coil is concerned. There's a reason that the IGN-1A are THE COIL for the rotary. They we're specifically designed for a two stroke marine racing engine. It's been tried and tested for many years in the FD community for everything from stock power levels to 700+HP. I was surprised the RX8 community was so far behind the curve on the IGN-1A's especially with all of the coil problems the 8 is plagued with. To be honest, I was shocked no one had a full PnP kit already. We didn't bother putting one together until now based on the assumption that one MUST already exist.

 

Does it have the same dimensions as the stock setup?

 

I have the Maz Sport coil set up with resistor for the correct dwell.

That was the only thing I added plus new wires.

Dyno was 10HP more. It impressed the BHR team so much they introduced their kit.

 

Since the coils themselves are nearly twice the size of the stock coils, they take up significantly more space, but they still fit in the stock location just fine with our bracket.

 

I have the Hymee supercharger and the clearance is reduced. I tried the BHR and it did not fit and I believe this will have a similar issue. I would need to relocate to the stock air box position as there is a lot of space there. This will require longer leads. Any chance of producing a relocation kit asthis is a popular option with FI guys.

 

Interesting. We ran these on our turbo Mazdaspeed Miata about 6 months ago. Back to back runs (I would say no more than 5 min down time between switching to the IGN-1A Coils, and no other changes) we picked up 11hp! We didn't even fiddle with dwell times, just a stock to stock comparison. We were blown away.

 

You can't adjust dwell with a resistor ...

 

It does effect the voltage to the coil ...so it does adjust the amount of charge that the coil gets....it's a really ghetto way to do it though

 

As long as you ignore that it needs to be increased, not decreased. So fubar regardless ...

 

We make custom leads all the time and there is extra room in the wiring harness to allow you to mount them further away as well. You'd only have to sort out mounting them, but the rest would be Plug and Play!

 

So you get ignition breakup with stock dwell times running IGN-1A coils? That's not consistent with our findings.

Should you increase dwell for E85/methanol injection/water injection/ turbos etc? Absolutely. This is not a limitation of the IGN-1A, that's all ECU at that point.

 

The original comment was made in reference to a different coil/subject, you're barking up the wrong tree

 

So, I must be the sucker that go all the 'B' and 'C' coils in that 0.01% then. Someone at Mazda must have really hated us.

 

Hello stranger ...we are in agreement about heat and OEM coils.. \/ \/

But....No more then 1000 miles!!??.....right.

I have no ideal what iteration of 'OEM Coils' you may have been supplied in the UK, or around Bradford for that matter.

I guess also since your RE application is not in a OE (RX-8) setting then, I take yours as a comment.

There a many many owners (particularly in US) who changed out OEM Coils for the sake of it while renewing Spark Plugs, many thought the heat marks on OEM Coil Base meant a defective coil when their diagnosis was in-correct.

My OE 'B' Coils over 50K and 7 years old and not a mark anywhere on the 4 Coils.

 

I've run A's, killed 'em, 3 set of B's, killed 'em, set of C's, killed 'em...I think there's still 2 knackered sets floating about, probably a B and C, I'll check.
I don't go by 'heat marks' - lets face it they don't mean a lot, but actual, certifiably dead, misfiring coils. Sometimes in less than 300 miles.

Not sure where Bradford comes into it? If that's your moderator IP reading it's wrong

 

Wow, I think I would give up by now, (how many Coil sets 5 or 6, about 24 coils!) why use OE Coils in a mud buggy (or whatever you call it), there are 'other' sources of spark plug launchers which would better suit your application.

Perhaps try these...I think I would..
https://www.rx8club.com/group-buy-ce...il-kit-258847/

 

I ditched 'em and switched to 585's years ago.
Still, the B's and C's die just like the A's if your pushing the engine hard all the time, so I wouldn't write it off as people swapping just from heat discolouration, etc.

 

Here some testing data for you guys. We had a guy test numerious coils in this thread and the IGN-1A tested at the top. One thing about coils in general the larger the coil, the longer it takes to fully discharge. This is called duration (how long the spark plug is lite) Duration is VERY important with rotarys due to its longish combustion chamber. The IGN coils dwarf the OEM and GM LS coils in size. I have 6 of these on my NA 20b. Duration is good for emissions but I'm not sure it's effects on power output.

http://www.rx7club.com/naturally-aspirated-performance-forum-220/coil-thread-1035364/