I just got my Sparks x6 and Pro design intake mod and Dynojet jet kit
I wanted to try just the jetting and K&N first to see each gain seperately. The biggest thing in the kit was 148/150 and that was not for removing the lid,just modifying it. Since I installed the Pro Design kit and took off my air box lid I had some other bigger Dynojets from other kits that looked just like the Raptor stock jets. I saw where CT and Graydon used the bigger jets with air box lid off so I put in DYNOJET 160/165MJ with lid off and kN. I havent installed the pipe yet. My question is,Is the Dynojet the jet CT and Graydion used?or have I screwed up? It has more torque but WILL NOT TURN any RPMS. I will install the pipe tomorrow but I wanted to know if Ive messed up with the Dynojet jet size.
Im in NMC couple of hundred feet above sea level so the jet like used in the shootouts should work. Does anyone know what CT sends you with their jet kit? Dynojets?
Thanks!

 

The Dynojets are a diffrent design so their sizes won't corralate to stock jet sizes. with my mods (see below) I run 148 & 150 & the 02 sensor on the dyno said it's slightly rich. thats with the airbox lid on & 5~1" Uni Vents installed. people with my setup & stock jets are using 175 & 180, So I think your Dynojet 160 & 165 would be something like 195 & 200 in stock sizes. So your probably way way rich which is why it won't rev.
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