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Old 01-01-2007, 17:56   #1 (permalink)
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New 2v build

So here's what i looks like my build is going to be

1970 2V Cleveland block
9.6:1 compression
74' casting (M) 2v heads 2.04/1.65
224/224 .470/.470 110lsa cam
Edelbrock Performer Intake
Holley 670 cfm, vac secondaries
Hooker Supercomps 1 5/8in primaries, 3in collector
dual 2in exhaust with glasspacks
Hurst 4 speed, 11in clutch
trac-loc 3.25 gears

This is going into a weekend driver 73 Torino, what do you guys think?
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351 Cleveland
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No A/C, Bench Seat, Crank windows, Just the way I like it.
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Old 01-02-2007, 08:59   #2 (permalink)
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Re: New 2v build

What dou you mean "M" head?
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Old 01-02-2007, 20:02   #3 (permalink)
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Re: New 2v build

A modified head. 75ish cc chamber with similar valve sizes to the cleveland 2v head. So its essentially a 70 casting 2v long block with a bigger cam.
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Old 01-03-2007, 03:14   #4 (permalink)
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Re: New 2v build

those M heads usually aren't used, reportedly poor exhaust side. Try to find some real C heads.
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Old 01-03-2007, 11:29   #5 (permalink)
smr
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Re: New 2v build

Are in us? I have set of US 2V Cleveland heads for sale...They have about 6500 miles on them sense rebuild and have been sitting for some time (maybe 4 years) so possibly a good valve job and new seals and good to go. These woudl probably be better for the setup then modified heads. PM me if interested...
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Old 01-03-2007, 15:15   #6 (permalink)
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Re: New 2v build

Can someone elaborate on the difference and advantages of the two different 2v setups?

Not necessarily building an 8000 rpm king for flat out horsepower, because i would get a set of 4v heads to do that.

All i want to do is build a stong torquey motor to make driving the car fun. Which heads would I benefit from?
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Old 01-03-2007, 16:49   #7 (permalink)
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Re: New 2v build

Quote:
Originally Posted by TorinoSpeed
Can someone elaborate on the difference and advantages of the two different 2v setups?

Not necessarily building an 8000 rpm king for flat out horsepower, because i would get a set of 4v heads to do that.

All i want to do is build a stong torquey motor to make driving the car fun. Which heads would I benefit from?
If I remember right the C has a smaller combustion chamber & better exhaust than the 351M/400 heads. The 351M/400 is always hobbled by the smog era use. All the experts don't like the heads. The only exception was an article on making a fake BOSS 302. The 351m/400 heads create streetable comp. ratio & the smaller ports help on a 302 size engine vs using US "C" heads. I don't notice any problems running my 302Cs.
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Old 01-04-2007, 18:45   #8 (permalink)
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Re: New 2v build

The cleveland and modified combustion chamber is within 1cc, harldy worth much difference in compression.
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Old 01-05-2007, 16:32   #9 (permalink)
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Re: New 2v build

The 2v'M' heads have a large restriction around the exhaust valve guide.

This was there to facilatate a water jacket there to lessen guide wear and other than a stock build should be avoided at all costs
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Old 01-06-2007, 02:43   #10 (permalink)
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Re: New 2v build

You can see what I mean by looking at the bottom left pic on this link

Kelly hotrod - 351C motor, page 2
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