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  #1  
Old 06-09-2007, 11:09 PM
scoobytuff scoobytuff is offline
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305 & 350 Engine HP Ratings

I have a 91' Chevy 2500 with a 350. The motor is bad and was that way when I bought it. Does anybody know what kind of horsepower these engines came with from the factory. Also what was the horsepower rating on the 305?
Any information would help, thanks.
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Old 06-09-2007, 11:43 PM
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silicon212 silicon212 is offline
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Re: 305 & 350 Engine HP Ratings

The 350 was rated roughly 20 HP more than a 305, which doesn't sound like much until you look at torque - the 350 is about 60-80 lb. ft. higher, which IS substantial.
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Old 06-10-2007, 12:02 PM
scoobytuff scoobytuff is offline
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Re: 305 & 350 Engine HP Ratings

Thanks, I wasn't sure how much difference there was between the two. I have a line on 5.3 engine, trans and all for under a grand with under 100k miles. I may go that route, just depends how soon I feel like having it running.
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Old 06-10-2007, 09:41 PM
jveik jveik is offline
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Re: 305 & 350 Engine HP Ratings

i looked it up somewhere once for the 350 in an old truck my family used to have and it said that in 1990, the 350 had 210 horsepower. i have heard that the 305 is a boat anchor when compared to a 350 and it doesnt even get much better mileage or nothing. i believe that the only difference between the two motors is that the 305 has a smaller bore diameter. probably different cams and whatnot as well
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