[s-cars] 034 high output coils

Cody Forbes cody at 5000tq.com
Wed May 23 19:55:46 EDT 2007


brian hoeft wrote:
> anyone have experience with them pro or con?

I installed them a few months ago for a friend on his '93 urS4. They 
function great, never any issues and the car is very strong (GT2871 w/ MRC 
eRS2 software and eRS2 injectors).

 I did have some issues with fitment and the installation as a whole.

1) They do not come with any documentation at all, though Javad assured me 
that they were going to fix that.

2) The bracket didn't fit. I was installing the coils with the 034 bracket, 
and they simply did not fit at all. The bracket, even without the coils on 
it, hit the fuel lines on the fire wall. I made some brackets for the 
bracket that are welded to the strut tower brace which brought the coils 
forward away from the firewall, and dropped them down a bit. I mounted them 
upside down according to Javad, but I liked having the heat sink on top as 
that just seemed more logical to me since heat rises. Javad assured me that 
he had never had this fitment issue before and had no idea why they wouldn't 
fit in this car.

http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2683

3) The coils didn't fit on the bracket well. They hit each other solidly. I 
had to use washers to space the coils away from each other.

4) The plug wires supplied were insanely too long. I have supplies to make 
wires, so I simply cut them to size and put new ends on the coil end of each 
wires.

http://jcforbes.com/jcfpics/tmwricksurs4/P1010060
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2689 - This is the ammount of 
wire removed, the shortest in this photo is about 4 inches long.
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2683 - Here you can see how 
much better they fit after cutting.

I also thought that in this position they would be prone to being overheated 
by the heat from the turbo and downpipe, so I made a heat shield.

http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2682

I measured the temperatures with an infrared thermometer and saw over 500F 
degrees on the downpipe, 350F on the heat shield, and the coils directly 
behind the shield were at about 120 degrees F.

I was told that the coil wires would not fit under the AAN coil cover, but 
they do. I had to cut the ruber seal at the back where the wires exit the 
cover. They still fit a tad snug, I would recomend grinding the cover just a 
little to give some extra room.

http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2688
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2687


All photos of install:
http://jcforbes.com/jcfpics/tmwricksurs4/P1010056
http://jcforbes.com/jcfpics/tmwricksurs4/P1010057
http://jcforbes.com/jcfpics/tmwricksurs4/P1010058
http://jcforbes.com/jcfpics/tmwricksurs4/P1010060
http://jcforbes.com/jcfpics/tmwricksurs4/P1010061
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2682
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2683
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2687
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2688
http://jcforbes.com/jcfpics/tmwricksurs4/CIMG2689




All in all I would do it again, but I would save the money on the 034 
bracket and just make my own. I also might have also used my own (MSD 8mm 
spiral wound super-conductor) coil wires instead of the ones supplied since 
I had to modify them anyways. If you don't have the ability or equipment to 
shorten the wires yourself you just need to be very careful about routing 
and make sure you tie them to something PLASTIC and also make sure they DO 
NOT touch, especially when tied - tie each wire separately so they can not 
cross-fire.


-Cody Forbes
http://www.5000tq.com
'87 5ktq - Fast.
'86 5ktqCD
'86 5k
'86 5k 



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