just fyi-propane is WAY safer than cng. its also much much easier to obtain and usually cheaper (unless you have an free supply on your property). I installed propane kits at my last job and we saw a gain of 50 hp and 800 ft/lbs on a cummins ISM (class 8 truck in Estes trucking fleet) from just propane. If you have any questions about propane injection feel free to shoot me a pm
propane is not safer because it has a lower octane and it is NOT even close to being as cheap as CNG
edit: you must be talking about some type of one in a million explosion and not the engine
2007.5 LMM CHEVY CC LT Z71
FabFour bumpers, Rancho 4in w/Bilstiens, full Kryptonite steering with Cognito braces and trac bars,35x12.5 Toyo R/T on 20x10x4.5BS KMC Monsters
[BANKS intake,dual exhaust,intercooler]Diamond Eye down pipe, AFE tube, res. plug, PCV mod, 4094avnt, 60% over nozzles, PPE race valve & fuel pickup, AirDog 150, Fitch fuel catalyst
Mike L. SCIV w/1056 C3 oiler, EFI live, Duramaxtuner DSP 5, Edge Insight, ProFab manifold/up pipes & 3" short bridge/boost pipe
Last edited by HumboldtDmax; 08-20-2011 at 09:57 PM.