troyer coil packs
 

Anyone dump the +$500 and buy a set?
Site says 15-20hp from them alone, would like to hear from anyone who bought them and what they think of them.

Thats a lot of money better last forever

Yeah! It is. Thats why I'm trying to see if there worth it. There's a lot of hype on there site about the upgrades, but thats to be expected.

I know troyer makes good stuff hopefully someone used em.

That's only 67 dollars and some change per coil. I haven't see coils any where else for much less than that.

Subd

At 40k more volts than stock, and 0 ohm resistance, stainless steel adjustable connectors and no springs.

They 'sound' great, but lets see if we can get some first hand opinions.

Those are Granatelli (GMS) coils. Been researching these for a long time. And while I'm a loyal Troyer supporter everything I have found suggest steering clear of these coils. The failure rate is through the roof on them and the added voltage is useless. It sounds good but there is no benefit. If you are not suffering from spark blowout then the added voltage will not do you any good. Forced induction motors can experince spark blowout due to high cylinder pressures. However even at 13psi I have no issues and I'm running stock Motorcraft coils. Mustang guys running 20+ psi and nearly 1000hp are on stock coils. However I have performed the Granatelli upgrade. The upgrade piece is stainless cables wrapped around a 3/16 solid stainless steel core that measures -0- Ohm resistance per foot. That means all the coils power makes it to the plug and is not lost or inhibited. The improvment is enough that you can open the gap on your plugs by up to .10, I however only opened mine up to .037 verses the .030-.032 that I'm supposed to run. Normally this would cause a miss and spark blowout with my cylinder pressures. Below is a pic of the kit and a link to them on ebay. Very worthwhile upgrade. http://www.ebay.com/itm/Granatelli-H...sories&vxp=mtr
https://www.f150forum.com/members/bl...38-1705mpg.jpg

Also for those interested rockauto has our stock Motorcraft coils for $44. But if you are still hooked on the Granatelli coils they are cheapest at Summit racing. Around $475 iirc.

Wow, thanks for the input!!
Not real impressed with the failure rate you mentioned. Unless they come with a badass warranty, I'll probably pass them up.