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Tech & Fab
need help with cam selection for Propane
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<blockquote data-quote="BPetty" data-source="post: 570996" data-attributes="member: 6277"><p>I just went threw all of this, to save money in the long run have some one grind you a cam for propane, making all the hp and torque that you can under 6 grand. Like the guy above said, they must pull a lot of vacuum to start properly. But you can have a rough idle and a lot of lift. I have pretty much the same set up, mine is 12 to 1 compression with vortec heads. Hyd roller cam 545 lift 1.6 rockers on exit side 1.5 on intake. But yes it runs out of fuel at about 6 grand.</p></blockquote><p></p>
[QUOTE="BPetty, post: 570996, member: 6277"] I just went threw all of this, to save money in the long run have some one grind you a cam for propane, making all the hp and torque that you can under 6 grand. Like the guy above said, they must pull a lot of vacuum to start properly. But you can have a rough idle and a lot of lift. I have pretty much the same set up, mine is 12 to 1 compression with vortec heads. Hyd roller cam 545 lift 1.6 rockers on exit side 1.5 on intake. But yes it runs out of fuel at about 6 grand. [/QUOTE]
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