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Old 01-18-2005, 06:35 PM
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engine sizes

I see this all the time 406,355, 389, where does it end? The combinations of different bores and strokes is almost endless. You either have a 400, a 350, a 383. You know a 400 sb .040 is a 409. Now post that and see how confused everyone gets.

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Old 01-18-2005, 06:39 PM
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Unless they have a 409 from the early 60s, that was a big block..............
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Old 01-18-2005, 06:47 PM
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see!

Now you get my point.
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Old 01-18-2005, 06:51 PM
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I dont usually mention over bores...if I have a 350.. its a 350 weather its .030, .040, .060 whatever...its not worth saying 355...or a .030 over 350
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Old 01-18-2005, 08:00 PM
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how about a destroked 400??? (377 c.i.)
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Old 01-18-2005, 08:37 PM
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Quote:
Originally posted by tnsmith10
how about a destroked 400??? (377 c.i.)
Yeah we've seen a few of those, as well as the "magic" 350 that chevy "should" have built (that actually makes less power than the real 350).

Its a versitile mill, what can you say. And with more factory blocks floating around than any other mill in existance, its a wonder...

K
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Old 01-18-2005, 09:10 PM
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Bracketeer...... at least be constistant when you go on a rampage. Why did you say 383? That is an overbore (.030) too. A stock bore 350 block and a 400 crank combo is actually 377! The previosly mentioned 377 is actually 371 then.

Then main thing is that we all know what we are talking about and the 355 and the 406 terms are pretty standard by now.
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Old 01-19-2005, 02:08 AM
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no

Then what's a 400 block with a 350m crank?
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Old 01-19-2005, 04:29 AM
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Quote:
Originally posted by bracketeer
Then what's a 400 block with a 350m crank?
a ford.
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Old 01-19-2005, 05:14 AM
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305,350,355,377,383,400,409,SOLD to the man with the John Deere hat for $409.
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Old 01-19-2005, 06:34 AM
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Talking

If you had a stock bore 400 with a 350 crank, you would have a 371. (or maybe its 372)

My point is , we all use these overbored no.s and you do too Bracketeer.
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Old 01-19-2005, 06:49 AM
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it was a 377... we used it in the camaro in my avatar... car weighed 2880 lbs. and would run 9.70's all day. ran it with a pair of 660 cfm holleys in super gas... we 1st put it together for a class here called jr. pro. 8 1/2 lbs per c.i. put it in a 67 nicky cheverolet camaro. ran 10.50's with it in that car with a single 1050 cfm holley dominator. (3250 lbs)
the block was .030 over if im not mistaken, (dont honestly remember, this was back in the early-mid 80's. was a teenager then).
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Old 01-19-2005, 08:28 PM
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Back in my day (and I am only 40) Whenever someone over bored a block it was just referred to as whatever engine it was to begin with and then we'd add "...bored 30 over". Now everyone wants to talk abou tthe new engine size. Whooptie do, another 4 cubes. Most times the block is bored just to square up the cylinders anyways, especially when only going .030".

At a Mustang board I go to everyone talks about their 306. It's a 302 and you had the cylinders cleaned up. Geesshh.....


Steve
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Old 01-19-2005, 08:52 PM
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Bore X Bore X Stroke X .7854 X # of cylinders = displacement.

.7854 is a variable, and represents 1/4 pi.
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Old 01-20-2005, 05:32 AM
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350 bored .030 over
355



The second seems to take less time to type and saves valuable space.
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