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only thing I think is new is the first one I bought in 2005 didnt have the cooler for the charger. my new kit does so I don't know when they changed it? also the drive is a little different now the shaft is inside a pipe with a different jackshaft bearing, nicer now but I didn't have any trouble...

the sc RX-1 I had would do that , when you landed hard would stall dead and I bent the floats down I can't remember the spec it was a couple mm's , MPI should have it and it cured that problem....

no BOV , I don't know what to do half say put one on the half say no, apparently what MPI says that boost spikes will not hurt their blowers only the turbos, I'm not blowing the throttle bodies or cooler off any more since I glued and anchored, but when you release it spikes to almost 25 psi my...

don't know why but when I start the sled cold 13.5-14 , cruising 11-12.5 wot 13.5 but when warm the afr at idle 16+ so I guess I just shut it off after a short cooldown??... Apex w/MPI stage II 15psi with that GEMS controller

I cleaned the boots good , and I used hairspray (maximum hold) and ground the clamp bushing to half the size, and made straps that bolt to the delta box and put a stiff tarp strap over the cooler about under the headlight its tight ,so I hope that holds.

glued everything back together. made clips strapped everything down went to 1-6-5.5-5.5-3-6 , on the gem, measured out 1000' 129 on the speedo and didn't walk home, smiled all day now all those bleeding knuckles and bad language have been forgotten. running 15 psi , at 900' 0 degrees today. one...

thank-you I'll do that, in the mean time I'll just weld them on

re: BOV where do you get Vortex bov, probably should get one however MPI does not seem to believe in them?

did your throttle bodies come off the engine I never checked that however I don't smell fuel, my intercooler blew off about 10 times till I got the alignment perfect and sprayed hairspray on the tubes

re some specs : MPI stage II, running 15 psi, had the engine built by 2K powersports- Falicon supercrank, Falicon knife rods , JE 10:1 pistons, burning Renegade or Sunoco 110

I installed a stage 2 kit on an 07 Apex, first I want to say I did a stage 1 RX-1 a couple of years ago and it ran perfectly I loved it no trouble. this one has been a nightmare, I am at 1000' and MPI does not have definate settings for the GEM controller at this altitude, first it wouldn't run...

mpi Your comments on the MPI were correct . the instructions were a little vague as they sent stage 1 instructions for a stage 11 kit so a couple of things were different. This is the second one I have done, first an RX-1 now my Apex. the Rx-1 was easier as the Apex you can't just flip open the...