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Old 06-21-2010, 08:13 PM   #1
81ratrodc10
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hp?

was wondering how much hp did a stock 305 in a 81 c10 have from the factory if any one knows that would be great
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Old 06-21-2010, 08:22 PM   #2
RandyP
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Re: hp?

http://brochures.slosh.com/index.shtml?1981

http://brochures.slosh.com/1981/pickups11.jpg to be exact.

130 or 160, depending on which 305 it was. One came out with a 2 barrel carb, other had the 4 barrel carb.
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Old 06-21-2010, 08:28 PM   #3
81ratrodc10
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Re: hp?

okay did they make any more hp out of different models or are they all about the same cant make out the others
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Old 06-21-2010, 08:57 PM   #4
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Re: hp?

Looks like three 305's actually. Two in the 8500 GVWR and below, and one in the 8500 GVWR and below for California.

LG9 code is 130h.p. (ENGINE, GAS, 8 CYL, 5.0L, 2BBL)
LE9 code is 160h.p. (ENGINE, GAS, 8 CYL, 5.0L, 4BBL, HI COMP)
LF3 code is 150h.p. (ENGINE, GAS, 8 CYL, 5.0L, TRUCK)

Another site: http://www.73-87.com/7387info/engtrans.htm

LG9 305/V-8 (2bbl) 130hp, 240torque
LE9 305/V-8 (Non CA) 160hp, 235torque
LF3 305/V-8 (Ca) 155hp, 240torque
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Old 06-22-2010, 01:03 AM   #5
79gmcc15
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Re: hp?

How do you tell which model you have?
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