which has more hp 305 or 307

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454muscle

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Jan 31, 2010
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Ontario, Canada eh!
Neither. They're both dogs. It's like asking what you want on your sandwich. Pastrami, or corned beef.

But seriously if you wanna get technical, you might have more HP in the 307, however if you have to choose, choose the one with better compression (compression test) for reliability (you can always add little power adders later like intake, exhaust, etc but don't expect much).
 
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kornball426

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May 29, 2009
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Philadelphia, PA.
Take that back... Pastrami and Corned Beef never did anything to deserve being compared to 305's and 307's.
 
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84cutspreme

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Jun 4, 2009
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Sounds to me like 307 w/ 4 barrel would be a better option. As said though they are both dogs and are very similar. I hate to generalize but I would also say in my experience built with compatible components the 305 would make a little bit more hp where the 307 would make more torque. "my opinion"
 

454muscle

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Jan 31, 2010
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Ontario, Canada eh!
kornball426 said:
Take that back... Pastrami and Corned Beef never did anything to deserve being compared to 305's and 307's.
You see 1978 buick regalman, that right there should tell you something. kornball426 finds them that offensive to compare to lunchmeat. Lol. Oh, and I take it back. Sorry. :roll:
 

kornball426

Royal Smart Person
May 29, 2009
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I just love lunch meats, don't read to much into it. :lol:
 

megaladon6

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May 29, 2006
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Danbury, CT
it doesn't matter. what does matter is what car it's going into, are you a purist, and what you want to do later.
if you want to upgrade the engine later (to a larger displacement) go chevy as a lot of parts fit the 305 and the 350.
i don't believe as much transfers from the 307 to a BOP 350+
 

dan2286

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Mar 25, 2008
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megaladon6 said:
i don't believe as much transfers from the 307 to a BOP 350+

Well, a lot of stuff from the 307 will transfer over to another small block olds. I think everything externally and internally besides the pistons.
 

megaladon6

Comic Book Super Hero
May 29, 2006
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Danbury, CT
ok, just ignore me then
 
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