buying a new cam and need advice

[BigBlockSam]

hi guys

i want a new cam for my 383 . i want a cam that i can run my stock converter and has a good idle but i want to hear a little rumble too . a little stronger than stock 1969 383 . hopefully a three bolt cam . cause i have a nice set of timing gears that are 3 bolt but would consider a 1 bolt cam.

what do you guys think of the 270 MAGNUM cam from comp cams . Rene

http://cgi.ebay.com/ebaymotors/COMP-CAMS-383-440-CHRYSLER-270-MAGNUM-3-BOLT-CAM-_W0QQcmdZViewItemQQhashZitem20b0d00777QQitemZ140405376887QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories

[doctor4766]

Dude, I'm on a mission to let people know that if you buy a magnum resto cam from MR there is a good chance it will be incorrectly packaged and you will have a major headache working out why your engine runs like a bag of sh1t trying to get a refund from them.
So, as I would normally have suggested that camshaft I would try another brand.
The Crane cam that I now have in my 383 works as it should and is 200% better than the MP cam that wasn't what it should have been.

[frederick]

"Dude, I'm on a mission to let people know that if you buy a magnum resto cam from MR there is a good chance it will be incorrectly packaged and you will have a major headache working out why your engine runs like a bag of sh1t trying to get a refund from them."

The camshaft bigblocksam is referring to is not a MP cam but a Comp cam.

Difficult to say if that will be the right cam for you without knowing the rest of the specifications.

[BigBlockSam]

Difficult to say if that will be the right cam for you without knowing the rest of the specifications

your rite here are the specs

1969 383

stock compression . i believe it'd 9 3/4 to 1

stock intake

600 eddy carb

hp exhaust manifolds

Mallory Unilite Distributor

msd coil

i appreciate any help . i have a habit of going to big with my cams

[doctor4766]

The camshaft bigblocksam is referring to is not a MP cam but a Comp cam.

Difficult to say if that will be the right cam for you without knowing the rest of the specifications.

Yeah I realise that, but was just pointing out that should he be pointed in that direction by anyone he should be wary.

[frederick]

I think you will be dissapointed by the actual compression of your 383.
It's not likely it's anywhere near 9.75, more like 8.5:1 if you're lucky.

My 383 was 8.2:1, with 90cc 452 cylinder heads and stock cast pistons 0.043 down the hole.
With milled stealth heads(75cc) I got it up to 9.7:1, running a Lunati Voodoo 60302 with 262/268 duration @0.050 and 0.475"/0.495" lift.
Pulls hard from around 2300rpm.

By the way this is a bit of a contradiction:
".. has a good idle but i want to hear a little rumble too "

Bigger cam means more lumpy idle and wore mileage, but also potentially more power.
You need to decide which is most important.

If a bit of an idle is important I'd go one of these cams:
-Comp cams 268H
-Crower  265H
-Lunati 60301
If mileage is important, go with a smaller cam.

You could also fill in a cam recommendation form, and see what they recommend
http://www.lunatipower.com/FindMyCam.aspx

[red79]

I'd also like to recommend calling Engle Cams, they have some great grinds for mopar that take advantage of our big .904" lifters. Personally, Chris is grinding me a three bolt K56 with 224@0.050", 112˚LSA, with 0.504" lift--should give me great efficiency and idle for my DD with the shorter duration large separation, while still flowing great with the 0.504 for massive low end tire churping