[greyshadow]

installed(not yet running) BMS meth kit with dual nozzle setup, the kit i got with the ER Chargepipe and Meth kit togther. It came with 2 Cm10 nozzles.

Will i be able to run these with FBO+inlets+outlets, without to much flow?

Can the flow just be regulated down with the Jb4 so im not running 2 much meth, or will it be okay to run dual c10 with my current mods?*

Planning to run 50/50 for now, and will be in the future upgrading my turbo's.

what the best way to have this setup without compromising my engine?

[Jeff@TopGearSolutions]

TWO CM 10 nozzles is huge, way too much. You'll likely quench, misfire and or hydrolock.

Just run 1.

Ideally run Two CM 5's.

[greyshadow]

Originally Posted by Jeff@TopGearSolutions

TWO CM 10 nozzles is huge, way too much. You'll likely quench, misfire and or hydrolock.

Just run 1.

Ideally run Two CM 5's.

For the time being, i installed a shutoff value in between the T valve, and the meth bung closest to the Throttle body, which allows me to run the single cm10.

I will run dual cm10 when i upgrade my turbo's.

Should i run the single Cm10 single, or just order another set of nozzles until then?

I will be running high boost, and making around 450-500whp, with meth. somebody else recommended me dual with cm5 & cm7.

whats your thoughts?

[Jeff@TopGearSolutions]

I would run no more then a 5 and 7. You want to run the least amount to maintain IAT and octane needed.

[greyshadow]

Originally Posted by Jeff@TopGearSolutions

I would run no more then a 5 and 7. You want to run the least amount to maintain IAT and octane needed.

ill be fine running the cm10 single until my other nozzles arrive?

pretty much the same flow as dual 5, just diffrent spray pattern?

[Brule]

Listen to the man above he isn't saying put a smaller nozzle to make you go slow. 1000cc is a lot for a manifold that doesn't distribute well.

Probably won't blow up but it would work better with smaller nozzles.

Better of waiting a week or two to get proper sized nozzles than to have engine trouble that can cost thousands.

[Jeff@TopGearSolutions]

Originally Posted by greyshadow

ill be fine running the cm10 single until my other nozzles arrive?

pretty much the same flow as dual 5, just diffrent spray pattern?

1 CM10 is adequate.

Dual CM5 atomizes better. It's about the same amount of methanol as a single CM10. The Dual CM5 is a finer mist and distributes better. Big nozzles don't atomize as well and as mentioned before, too much water/methanol can cause misfires, quench and or hydrolock the motor.

Originally Posted by Brule

Listen to the man above he isn't saying put a smaller nozzle to make you go slow. 1000cc is a lot for a manifold that doesn't distribute well.

Probably won't blow up but it would work better with smaller nozzles.

Better of waiting a week or two to get proper sized nozzles than to have engine trouble that can cost thousands.

[greyshadow]

Originally Posted by Jeff@TopGearSolutions

1 CM10 is adequate.

Dual CM5 atomizes better. It's about the same amount of methanol as a single CM10. The Dual CM5 is a finer mist and distributes better. Big nozzles don't atomize as well and as mentioned before, too much water/methanol can cause misfires, quench and or hydrolock the motor.

You mentioned in your previous post that either dual cm5 or 7? In regards to running fbo+inlets+outlets and closer to 500whp with meth, what would you do if this was "your" car cm5 or cm7 duals? i want to make sure i order the best, theyre literally $100 with shipping, not cheap for 2 nozzles.

also i may at some point run 90/10 and in the future e85.

[Msport335]

Originally Posted by greyshadow

installed(not yet running) BMS meth kit with dual nozzle setup, the kit i got with the ER Chargepipe and Meth kit togther. It came with 2 Cm10 nozzles.

Will i be able to run these with FBO+inlets+outlets, without to much flow?

Can the flow just be regulated down with the Jb4 so im not running 2 much meth, or will it be okay to run dual c10 with my current mods?*

Planning to run 50/50 for now, and will be in the future upgrading my turbo's.

what the best way to have this setup without compromising my engine?

i'll buy a cm10 off you...i'm local to you and currently run an AEM meth kit FBO with inlets on an e60 mix. my nozzle is 1000cc and its a little too much but has been working pretty well for me

[greyshadow]

Originally Posted by Msport335

i'll buy a cm10 off you...i'm local to you and currently run an AEM meth kit FBO with inlets on an e60 mix. my nozzle is 1000cc and its a little too much but has been working pretty well for me

pm me.

[Jeff@TopGearSolutions]

Originally Posted by greyshadow

You mentioned in your previous post that either dual cm5 or 7? In regards to running fbo+inlets+outlets and closer to 500whp with meth, what would you do if this was "your" car cm5 or cm7 duals? i want to make sure i order the best, theyre literally $100 with shipping, not cheap for 2 nozzles.

also i may at some point run 90/10 and in the future e85.

5 and 7

[GODDSPD]

Jeff knows his stuff but for what it's worth I had a slightly different experience. I've done testing on various meth nozzle sizes, from a single cm7 to dual cm 10s.

With dual cm10s and a 50/50 mix I never had any quench issues whatsoever, even when trying to force it by starting the spray at 0 psi low in the rpm range. And with dual cm10's I was able to get away with slightly more timing than any other setup.

I ended up settling on dual cm7's for two reasons; with the cm10s you go through your tank crazy fast, and with cm7's it was only marginally less knock suppression according to logs.

Imo the atomization is overrated. There is so much turbulence and fast moving air under boost in the chargepipe that no matter what you are spraying it's going to get atomized pretty damn well.

Car was FBO with Inlets and outlets. Stock turbos.

[greyshadow]

Originally Posted by GODDSPD

Jeff knows his stuff but for what it's worth I had a slightly different experience. I've done testing on various meth nozzle sizes, from a single cm7 to dual cm 10s.

With dual cm10s and a 50/50 mix I never had any quench issues whatsoever, even when trying to force it by starting the spray at 0 psi low in the rpm range. And with dual cm10's I was able to get away with slightly more timing than any other setup.

I ended up settling on dual cm7's for two reasons; with the cm10s you go through your tank crazy fast, and with cm7's it was only marginally less knock suppression according to logs.

Imo the atomization is overrated. There is so much turbulence and fast moving air under boost in the chargepipe that no matter what you are spraying it's going to get atomized pretty damn well.

Car was FBO with Inlets and outlets. Stock turbos.

Yea, i know every single car and situation is different. Different bung locations, different parts etc etc. At the end of the day, ill log and go from there. Im going to go upgraded eventually if these stock turbos give me problems, or fail but seems like it will not be for a while they got replaced under warranty about 30k ago, and i dont even have wastegate rattle.

I have a few questions regarding your setup if you dont mind, as i am going to be very similar setup to you.

[GODDSPD]

Originally Posted by greyshadow

Yea, i know every single car and situation is different. Different bung locations, different parts etc etc. At the end of the day, ill log and go from there. Im going to go upgraded eventually if these stock turbos give me problems, or fail but seems like it will not be for a while they got replaced under warranty about 30k ago, and i dont even have wastegate rattle.

I have a few questions regarding your setup if you dont mind, as i am going to be very similar setup to you.

Yes, each car is different.

Ask away...

[WTF?]

Nozzle size also depends on water/meth content. 100% meth, you should use larger nozzles. I currently run a Devils Own m12 with Boost Juice and maxxed out map3 with beautiful logs. I also agree that atomization in theory is paramount, but in reality, I have noticed no difference from when I used to spray meth through a NOS dry nozzle with a nitrous jet. In my mind, I upgraded, but.....................meh..