Cool. I was starting to wonder about the likelihood of senility in my 30s. I've been reading things strangely all week.
Carry on. 8)
MP .474 purple cam
- Thread starter Brambles
- Start date
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Cool. I was starting to wonder about the likelihood of senility in my 30s. I've been reading things strangely all week.
Carry on. 8)
fishy68
Tyr Fryr's Inc.
Some good clarifications have been made. The amount of duration you gain is negligible with 1.6 rockers over 1.5's. But it still should be taken into consideration even if it's only 2 degrees.
I might also add that not all manufacturers use .006 as the total duration spec. Some use .004 and others use .008 The industry hasn't adopted a standard of total duration specification. That's where alot of confusion comes in when trying to compare cams.
Just for everybody's info Comps total rating is at .006 and Crane is at .004 so you could have 2 identical cams but with different ratings.
I do remember seeing DJVCuda runs a Mopar .474 cam in his 65 cuda and runs 12.40's with it with stock 587 heads and 3:23 gears. He does have a good 3200 stall in it though. I guess sometimes you just get lucky and it works. I would have never guessed that cam would do that even in a lighter early A-body.
I agree with the others that say go with A lunati or Comp XE. They are more modern and have aggressive rates and more lift. I have ran both the 274XE and the Lunati 60404 in my 360. Everything else being equal the Lunati has quite a bit more low end torque and pulls about the same up top. The Lunati is quite a bit more choppy idling. One strange thing about the Lunati though is it gets 2-3 mpg better than the comp did which surprised me since it's more choppy idling.:dontknow:
I might also add that not all manufacturers use .006 as the total duration spec. Some use .004 and others use .008 The industry hasn't adopted a standard of total duration specification. That's where alot of confusion comes in when trying to compare cams.
Just for everybody's info Comps total rating is at .006 and Crane is at .004 so you could have 2 identical cams but with different ratings.
I do remember seeing DJVCuda runs a Mopar .474 cam in his 65 cuda and runs 12.40's with it with stock 587 heads and 3:23 gears. He does have a good 3200 stall in it though. I guess sometimes you just get lucky and it works. I would have never guessed that cam would do that even in a lighter early A-body.
I agree with the others that say go with A lunati or Comp XE. They are more modern and have aggressive rates and more lift. I have ran both the 274XE and the Lunati 60404 in my 360. Everything else being equal the Lunati has quite a bit more low end torque and pulls about the same up top. The Lunati is quite a bit more choppy idling. One strange thing about the Lunati though is it gets 2-3 mpg better than the comp did which surprised me since it's more choppy idling.:dontknow:
Brambles
Well-Known Member
Thanks for the advice, I've been wondering if the voodoo cams were effective or justs something new, sounds like they are strong cams.
Thrashard340
Well-Known Member
The Voodoo cams are very effective and would be a good choice. You can do a search of the forums on Voodoo cams and pull up some good info.
Mopar cams are old designs but still effective with the right combo. I had a friend run low 13's-high 12's with the 284/484 cam...back in the 90's. I plan on using one in a built 340 modeled from the following link. (package eight)
http://www.mopar1.us/dyno.html
Package eight:
360 rebuilt with 9.5 to 1 cast pistons, original crank, rods and windage tray. 202 heads with competition valve job and ported to flow 260 cfm. Edelbrock RPM intake, Holley 750 rejetted, Large tube headers and Mopar Performance P4120231 cam with .484" lift, 284 duration, 108 lsa, installed at 106 intake centerline.
460 h.p. @6000 rpm
486 lbs. of torque @ 4,250 rpm
Mopar cams are old designs but still effective with the right combo. I had a friend run low 13's-high 12's with the 284/484 cam...back in the 90's. I plan on using one in a built 340 modeled from the following link. (package eight)
http://www.mopar1.us/dyno.html
Package eight:
360 rebuilt with 9.5 to 1 cast pistons, original crank, rods and windage tray. 202 heads with competition valve job and ported to flow 260 cfm. Edelbrock RPM intake, Holley 750 rejetted, Large tube headers and Mopar Performance P4120231 cam with .484" lift, 284 duration, 108 lsa, installed at 106 intake centerline.
460 h.p. @6000 rpm
486 lbs. of torque @ 4,250 rpm
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