bobscuda67
Well-Known Member
Does your friend regrate using the comp cam? It doesn't seem like a good fit for a 408.
I don't really plan on buying one, I was just asking in what circumstance it would be useful.
Comp 268-10
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Does your friend regrate using the comp cam? It doesn't seem like a good fit for a 408.
I don't really plan on buying one, I was just asking in what circumstance it would be useful.
ir3333
Well-Known Member
He is happy with it...his 408 like most makes lots of torgue.
If it idles with a bit of attitude in a 408 it should be noticeable in a 360, even more noticeable in a 340 and like a top fuler in a 318. LOL Comp has a 250h-10, a 256, a 262 as well as the 268 and 3 steps larger than that.
moper
Well-Known Member
It's noticable in a 318, just barely in a 340. A similar Crane cam in a 360 had a smooth idle. I wouldn't use it in a stroker unless it was in a truck.
ir3333
Well-Known Member
i don't see that really being a bad street cam for a 408.The stock GTX 440 cam would have been a lot smaller...maybe around .450 / .458 and 214 / 220...268 / 284?
they were stump pullers and ran well on the street.
I think too many guys cam for the strip,drive on the street and end up disappointed with stock stall and 3.23 gears.
vntned
Well-Known Member
This is the cam I've selected for my mild 360, which is going in my daily driver.
I was shooting for good torque and a fairly broad power band. And considering how mild my setup is, it should work well.
360 .060" over
h116cp pistons
9.8:1 scr
Jheads with a mild gasket match
1.88"s and 1.60"s
LD340 intake
'68-'70 340HP exhaust manifolds
4spd
3.55 gears
26" tall tire
All in a '64 Dart post
I was shooting for good torque and a fairly broad power band. And considering how mild my setup is, it should work well.
360 .060" over
h116cp pistons
9.8:1 scr
Jheads with a mild gasket match
1.88"s and 1.60"s
LD340 intake
'68-'70 340HP exhaust manifolds
4spd
3.55 gears
26" tall tire
All in a '64 Dart post
Vntned, you used the 268-10 cam in that build?
vntned
Well-Known Member
The motor isn't finished being put together yet but yes that is the cam I have in there. I did a lot of research and a bunch of those on line dynos before I picked which cam to use. I also called Racer Brown and talked to their tech guy for a while. The camshaft he suggested I use was nearly identical spec to the Comp 268-10.
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bobscuda67
Well-Known Member
Your engine is nearly the same as mine except I have a 3.58 crankshaft and magnum heads, but mines an automatic. I also have the 1.6 ratio rockers.
What was your shift points you're shooting for? I would think a Voodoo 702 would rpm higher and make better torque. I find it interesting Racer Brown reccomended that low lift cam.
yellow rose
Overnight Sensation
Just because the numbers look the same, it doesn't tell the whole story. You'd need to see the seat timing, at .050, .100,.200,.300 etc and on both cams. And then there is still other things, but those numbers would tell you more than just lift and at .050 numbers.
YR, true, but that's getting picky and over most heads in understanding.
Bobscuda67; a low lift cam doesn't mean low power. While more lift takes advantage of the ports flow ability, it isn't allways easy to say what your head flows and even harder when your on a phone line many miles away.
The timing events play a big part as well. Taking advantage of the valve job more so than the ports air flow ability will still yield good results. The cam focuses on that area more.
Bobscuda67; a low lift cam doesn't mean low power. While more lift takes advantage of the ports flow ability, it isn't allways easy to say what your head flows and even harder when your on a phone line many miles away.
The timing events play a big part as well. Taking advantage of the valve job more so than the ports air flow ability will still yield good results. The cam focuses on that area more.
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