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Anyone knows if Ulmer Racing have a base-map for my application ???

Who runs PCIII (with ignition box) instead of GEMS DOBBECK box on their MPI Supercharged Apex ??? Anyone have problems with that fuel and timing controller ? I want to try it with a Stage 2 ;we run between 12-15 psi at sea-level..........(head shim 10:1, studs, rods, bigger fuel pump and 1 to...

Question is for MPI's guys : Can we expect to have a complete standalone for the Apex this year (like the Nytro version) ??? I've a couple of clients they were interest about that ! Thanks. :Rockon:

Thanks for the pics and the link..........really appreciate.

Actually I run an external fuel pump (Walbro GSL-392) on SC Apex; I want to replace it with an In-Tank High Flow Fuel Pump (min. 255LPH); Does anyone tried to fix something instead of the OEM pump on the thank and Is there something exist that is bolt-on on the market ?

2011 APEX ENGINE ? Anybody have something new.........what's the new compression ratio (11,8:1 ????); crankcase and cylinder head are different, samething for head gasket, but camgears and exhaust cam are the same .

You can also go with an external Walbro Fuel Pump (GSL-392.........255LPH /20 amp.); very small size and low cost. With an atmospheric project no FPR mod is necessary.

MPI 2011 Thanks Darrin to take time for us !............really appreciate. The Dobbeck controller is different, but what about the power-stering module , Exup-valve and OEM knock ? (Mulot30th...........I'm not working at G-Force !).

MPI 2011 .........I forgot to talk about the OEM knock sensor ?!?!.....what will hapen ?.....do I have to disconnect it too ?

I have to install a Stage II kit in a 2011 Apex probably next month..............Is there a way to conserve the Power-Stering option and do I have to cancel the Exup-valve ??? Thanks to help me !!!

fuel mix ??? I'm expecting to run at 15 PSI this year ; I'm hesistating too .......100% VP C-12 or 50/50 Premium pump gas with a mix of VP C-16 ? Last year I ran 12 PSI on premium pump gas (MPI Stage II at sea-level with 10:1 head shim).

coolant Toyota have the best coolant effiancy.............50/50 of course !

GEARING Thanks for the link Allen.........it's appreciate !

Gearing I'm a lake addict............always run 26/38 (10 tooth sprockets); this is the max gearing to keep your reverse and gives you the mathematical opportunity to run 142 MPH (128 MPH on 9 tooth sprockets).........this is for a 10800 rpm on a apex (1 for 1 in your clutch /non-overdrive)...

Anyone knows what kind of ROTREX BLOWERS Mountain Performance put in is STAGE 2 and STAGE 3 .........(C30-64, C30-74, C30-84 or C30-94) ??? I have to achieve a STAGE 3 project and I want to make 28 lbs of boost ( but I think if I put the pulleys to make that I'll be over the peak of impeller...

I have to make a choice to upgrade a ''Blower Project'' (that will make over 400HP).........I'm hesitating between a RAGE IV (STM) and a HAUCK primary clucth..........Anybody can give me some feedbacks of those primary's ?

Thanks to all of us for your help.........I see some failure in fuel pressure when I close the gas in high boost condition (15-18 for me.......)....maybe I'll try to connect FPR in IC instead of T-boddies and keep same fuel set-up. Sorry RXRIDER I'm a NEWBIE !!!.......it's already added.

Anybody can help me...... I run an MPI STAGE II KIT on my apex (12 PSI on pump gas at sea level with 10:1 head shim) and I want to know how I can upgrade my fuel system to have a constant fuel pressure to add more boost (like 15 PSI).........Now I run a Walbro 255LPH (#GSL392) in sequence with...