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JMurray · 05-27-2008, 03:59 PM

I am building a Propane motor and I was wanting some input on what to go with. I have a 350 to start with the casting on the block are 39GM3970010, and J241 I don't know if its a 4 bolt or not havent yanked the pan. I am wanting to make around 450hp, my question is should I make a stroker or spend the machining $$ to throw at more hp upgrades for a 350. Since LP is between 110-115 octane what cam, pistons, rod and so forth should I be running? Thanks for your help.

Should mention this is going to be a street strip application.

05-27-2008, 03:59 PM	#1
JMurray Registered User Join Date: May 2008 Location: Republic MO Posts: 56	What to build I am building a Propane motor and I was wanting some input on what to go with. I have a 350 to start with the casting on the block are 39GM3970010, and J241 I don't know if its a 4 bolt or not havent yanked the pan. I am wanting to make around 450hp, my question is should I make a stroker or spend the machining $$ to throw at more hp upgrades for a 350. Since LP is between 110-115 octane what cam, pistons, rod and so forth should I be running? Thanks for your help. Should mention this is going to be a street strip application. Last edited by JMurray; 05-27-2008 at 04:01 PM.



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