Timing Opinion
Hey guys we got a 12v Cummins built and would like to hear what you guys think on what we should set the timing to. Here is what is done.
Fire ringed head and 12mm ARP studs Biggest delivery valves for stock pump 4000 rpm gov. spring kit Maxed out fuel plate Mack rack plug Big Stick cam from Colt cams .093 injection lines. 100% over injectors set to 3900 psi cracking pressure. ATS exhaust manifold BW S400 2.6 turbo CFM intake elbow AirDogII-165 lift pump It has a ZF6 with 900hp dual disk clutch from SouthBend. The truck will sled pull a couple times a week and also be a daily driver. What do you guys think? I set it to 18 degrees, but I'm starting to lean towards 20. Would like to get the most power we can. Also needs to be able to start easily, especially when it's cold out. Thanks. |
i would go with somewhere between 18.5 and 19.5
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Go right in the middle at 19. With those mods you could set it at 30 and buy a case of either to start it everyday :c:
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Have fun with those fire rings on the street.....I agree with Stumpan....19*
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Thanks guys. I'll probably set it to 19 and see how it performs.
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Keep an eye on the CFM plus intake, Those have been known to blow at higher boost numbers.
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what is the spray angle of the injectors 145* or 155*? what injector washers did you use?
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What size injectors are they, hole size?
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stock pistons?
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mine is set at 21*
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