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Old 06-12-2007, 08:38 PM
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chevy 4.3l v6 power

hows it goin? im a little curious to see if anyone knows much about chevy 4.3l v6. first off i have a set of late model vortec heads i played with a while back. i was able to improve the intake from 180cfm@.500 to 235+cfm@.500 exhaust 150cfm@.500 to 198cfm@.500 give or take. i also increased the valve sizes to 2.05" int. 1.60". the stock intake was also ported along with a ported throttle body and mass air. what i am looking for is full lenght 1-5/8" headers. i was also going to put in a cam about 215 duration@.o5o" lift and computr tuning. the main thing i am thinking about is cost per hp vs. ls1 v8 and total power output. thanks sorry i cant be more detailed the wife is nagging!!!

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Old 06-13-2007, 07:54 PM
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the cost of 4.3 HP is very high.
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