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for a small block ,do you happen to know what this cam is at *50 ?
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Thats a fantastic budget camshaft! We used it in my brothers first small block. It shifted at 7200rpm with a 3.79 stroke. It also had box stock edelbrock cylinder heads and an M1 manifold. The car went 11.09 @ 118mph with that cam. With a 3.58 stock stroke 360 it should be more like 7400-7500 RPM with the similar parts used. It sounded great as well. Im not sure how well it would work in a heavy vehicle though.
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about .594
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I will be putting a 340 together for a freind
10.1 comp , 540/235 (not sure), J head 2.02 m1 750carb
would the 557 be a good upgrade for this 340
its on a budget / low key combo
If you already have it,I would definately use it.
Mine was 10.3 to one,for what it's worth.
Quote:That sounds pretty good. The 557 in my street 440 I measured 288º @ .020", 257º @ .050", 165º @ .200 "
So, a 296º-.557" is really 288º @ .020"/256º @ .050"
Quote:i ran that cam for years. it acts smaller than it looks on paper. the wide (110) lsa really tames the idle and makes it a little to soft down low for my taste, but the sky was the limit as far as revs. mine was installed at 108, iirc, and liked to be shifted at 6500. i put a 509 cam in it, and it went faster, fwiw.
Whats the scoop on the mopar cam 296...557?What are ya shifting at?Combos and ET's are welcome...I know there are better cams out there,just wondering if its still a decent choice for a low buck 360
Quote:I liked this cam too in my 340, it pulled hard as hell, idled almost smooth and very responsive, i replaced it with the .557 296 mopar cam and i took it right back out it didnt pull as good as the 284.
An alternative is the 284/528 with 1.6 rockers. I'm super tickled with mine.
Quote:Quote:I liked this cam too in my 340, it pulled hard as hell, idled almost smooth and very responsive, i replaced it with the .557 296 mopar cam and i took it right back out it didnt pull as good as the 284.
An alternative is the 284/528 with 1.6 rockers. I'm super tickled with mine.
)
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MP could have done all us SB guys a favor and stuck with 106º LSA.
Like the scoop?
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Dur @ .050 260/266
.558/.555 w/ 1.5 Rockers
106 LSA
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Dur @ .050 260/266
.558/.555 w/ 1.5 Rockers
106 LSA
Put it in 100º-102º
Quote:Keep in mind when comparing duration at .050 on a hydraulic verses a solid, or two solids with different lash specs, that the lash must be taken into account. I have found that 1/2 degree per thousanth of lash is a decent rule of thumb.
Since I believe the DC/MP Solids all come from the same lobe "family"........
First the advertised duration is incorrect (for what we're all used to)
The seat to seat duration is given @ .015" not .020"
To find duartion @ .020", subtract 8º from what MP tells you.
To find duration @ .050", subtract 32º(intensity)from the answer you got from above.
So, a 296º-.557" is really 288º @ .020"/256º @ .050"
312º-.590.........304º @ .020"/272º @ .050" and so on
