Water **** and propane?

[wmoguy]

I had a snow water **** setup ona seriously hopped up cummins a few years back and it made a big egt difference and about a 30 hp addition. Do they add power and decrease egts on a 7.3 similarly?

How's propane injection work on these motors for a litle extra power?

Can both water **** and propane be ran on these motors?

 

[65sixbanger]

I have seen propane on these idis and it does lower EGTS a little and has a little more power, but I would never advise doing both on a one of these. Comp. ratio is much higher and less room for fuel in my opinion.

 

[rhkcommander]

both help, someone ran a homebrew for 25hp or so iirc. not any other dyno numbers on oilburners that i recall.

propane can be used as much as you want but she'll start knockin if ya overdo it. too much **** with hydrolock ya too since the CR is soo high... I'm planning on doin both this summer where the propane kicks in on hard/moderate accel

 

[funnyman06]

From the stickies:

A comparison of Propane versus no Propane fumigation courtesy of Darrin Tosh
First pull, no LPG - HP 183.15 Torque 325.45

2nd and 3rd pull with LPG - HP 205.35 Torque 362.64, HP 205.51 Torque 361.55
Bests average turbo IDI by 39.8 HP and 37.94 Torque

So a 22.96 increase in HP and a 37.19 increase in Torque when using propane.

 

[funnyman06]

From the stickies:

A comparison of Propane versus no Propane fumigation courtesy of Darrin Tosh
First pull, no LPG - HP 183.15 Torque 325.45

2nd and 3rd pull with LPG - HP 205.35 Torque 362.64, HP 205.51 Torque 361.55
Bests average turbo IDI by 39.8 HP and 37.94 Torque

So a 22.96 increase in HP and a 37.19 increase in Torque when using propane.