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big block 590 purple shaft cam spec? #887528
12/24/10 08:36 PM
12/24/10 08:36 PM
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ONTARIO,CANADA
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604 Hemi GTX Offline OP
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Does anyone have a cam card on a 590 purple shaft. I just bought one from my local dealership and it didn't come with a cam card. I need the spec to dial the cam in.
Thanks for any and all info
Kevin

Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887529
12/24/10 09:08 PM
12/24/10 09:08 PM
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Mission BC
10sec440 Offline
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The specs are usually on the end of the box, but google is your friend...

Specifications: * Advertised duration: 312 intake/312 exhaust * Gross valve lift: .590 in. intake/.590 in. exhaust * Lobe separation: 106 degrees * RPM range: 3400 to 6900 * For super competition applications with manual or automatic transmissions with race converter. * Three-bolt

Depending on the rest of your combo, you will want to put it in between 102 and 106. GREAT cam, I ran 10.27 with one in a stock stroke pump gas 440,iron head 452. 3400lb Dart.

Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887530
12/24/10 10:21 PM
12/24/10 10:21 PM
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Ontario, Canada
Dodgem Offline
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supposed to be 265/265 @ .050 the rest is above.

Re: big block 590 purple shaft cam spec? [Re: Dodgem] #887531
12/24/10 10:43 PM
12/24/10 10:43 PM
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Canton, Ohio
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Sport440 Offline
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Quote:

supposed to be 265/265 @ .050 the rest is above.






But its not! Its duration is actually 271/272 @ .050 thereabouts,

Reguardless, 265 or 272 install it at between 98* to 102 ICL for best performance in most apps. mike

Last edited by Sport440; 12/24/10 11:13 PM.
Re: big block 590 purple shaft cam spec? [Re: Sport440] #887532
12/24/10 11:08 PM
12/24/10 11:08 PM
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Northern Indiana
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Mopar finally updated the cam chart.I'll see if I can attatch it,it has the "realworld" @.050 numbers.
Keith

6376510-NewMPcamspecs.jpg (11312 downloads)
Re: big block 590 purple shaft cam spec? [Re: Dunnuck Racing] #887533
12/24/10 11:13 PM
12/24/10 11:13 PM
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ONTARIO,CANADA
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604 Hemi GTX Offline OP
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Thanks guys for all the help.

Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887534
12/24/10 11:15 PM
12/24/10 11:15 PM
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Mt.Vernon ,Ohio
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I started out with my at 104 then 102 and now at 100 ..like it real well there 3600lb car

Re: big block 590 purple shaft cam spec? [Re: Sport440] #887535
12/24/10 11:16 PM
12/24/10 11:16 PM
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Ontario, Canada
Dodgem Offline
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Quote:

Quote:

supposed to be 265/265 @ .050 the rest is above.






But its not! Its duration is actually 271/272 @ .050 thereabouts,

Reguardless, 265 or 272 install it at between 98* to 102 ICL for best performance in most apps. mike






we had my friends in at 104 and I talked him into 100 and it was snappier at 100

Re: big block 590 purple shaft cam spec? [Re: Dodgem] #887536
12/25/10 12:57 AM
12/25/10 12:57 AM
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ONTARIO,CANADA
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604 Hemi GTX Offline OP
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What do you guys recommend for valve springs?

Re: big block 590 purple shaft cam spec? [Re: Dunnuck Racing] #887537
12/25/10 01:10 AM
12/25/10 01:10 AM
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N.E. Ohio
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Some of those spec.s are quite a bit different than what I remember WOW
'
I too have run and am running the .590.
Lots of people say "theres better cams" I`ve just never found one.

Is that really a 114c/l on the 484hyd?
I`m putting a blower on my 383 and was looking for a cam with 112--114 lobe centers ,but it already has a 484 which IS a 114?????
I thought the 484 was 110 c/l?

6376741-magnolia#4.jpg (730 downloads)
Last edited by 6bblFLASH; 12/25/10 01:12 AM.

70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!
Re: big block 590 purple shaft cam spec? [Re: 6bblFLASH] #887538
12/25/10 03:05 AM
12/25/10 03:05 AM
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Liverpool, NY
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SILVER67 Offline
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Should be interesting to see what the .590 does in my upcoming build and the low numerical gears....

Michael

Re: big block 590 purple shaft cam spec? [Re: SILVER67] #887539
12/25/10 04:47 AM
12/25/10 04:47 AM
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Mi,U.S.A.
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mike s Offline
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Both the 509 and the 484 have been revised(lobe center change to 112 and 114) in the last few years for better "street" manners.As far the 590 goes,you can do better but I know lots of folks that still like the old warhorse.


Leave the gun.......take the Cannoli's....Mike
Re: big block 590 purple shaft cam spec? [Re: mike s] #887540
12/25/10 05:06 AM
12/25/10 05:06 AM
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las vegas
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there are two versions of the 484/509 cam for
BB...108 and 114 center line

SB only shows the 484 cam with both Center lines available..

but my catalog is a couple years old


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)
Re: big block 590 purple shaft cam spec? [Re: 70AARcuda] #887541
12/25/10 09:32 AM
12/25/10 09:32 AM
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pa
572charger Offline
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590 in at 102 to 100 works killer in a b body [heavy car] in a 3600 e body with ye old trws 2295s 590 mild ported 906s, 850 holley, torker intake turbo action 3800 with 456s in the dana goes 10.80s all day long back in 1988-1994 6 years of racing and its still runnin with out a rebuild to this day


606 hemi pump gas best 9.60 at 142mph on motor
05 hemi daytona 1500 go-mango 4wd quadcab
2007 hotrod mag pump gas drags runner up, roadkill nights dodge big tire winner 2018 2019 back to back
Re: big block 590 purple shaft cam spec? [Re: 572charger] #887542
12/25/10 01:08 PM
12/25/10 01:08 PM
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Kentucky
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Here is the card that I got from the Tech line guys. As everyone has said and the new paperwork details the duration at .050 is actually 271. This just gives you the opening and closing points.

312° Mechanical: P4120663
Duration Intake Nominal 312° Duration Exhaust Nominal 312°
Duration Intake @ .050” 265° Duration Exhaust @ .050” 265°
Intake Lobe Centerline 104° ATDC Exhaust Lobe Centerline 108° BTDC
Lobe Separation Angle 106° Overlap 100°
Intake Opens 52° BTDC Exhaust Opens 84° BBDC
Intake Closes 80° ABDC Exhaust Closes 48° ATDC
Intake Lift .590” Exhaust Lift .590”
Note: as installed on 104° centerline per Chrysler


'75 Plymouth Duster
Phase I 451 906/590/2-660 10.75/126
Phase II 451 Stage VI/590/1050 9.82/135
Phase III 383 906/Victor-Pump gas 11.30/119

"For by grace you have been saved through faith. And this is not your own doing; it is the gift of God,"
Re: big block 590 purple shaft cam spec? [Re: clovis] #887543
12/25/10 01:26 PM
12/25/10 01:26 PM
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On the south side of Nowhere
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I've posted this before but, this is what I've found on the MP/DC Purple SOLID cams:

Their advertised durations use timing events @ .015"

I typically find, duration @ .020" is 8º less. i.e. 312/590 cam is 304º @ .020"

Duration @ .050" is 32º less than duration @ .020"

So the 312/590 cam looks like this:

304º @ .020"
272º @ .050"

I hope that helps.

Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887544
12/25/10 04:01 PM
12/25/10 04:01 PM
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SW Ohio
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Quote:

What do you guys recommend for valve springs?



Comp 928 or K-Motion 850. My choices.

Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887545
12/25/10 05:40 PM
12/25/10 05:40 PM
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mckinney texas
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shoebox Offline
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i hate to hyjack but it sounds like this cam would be good for me too. im looking for a 10sec timeslip..what do you think?
74 dart sport all steel 3300lbs empty?
440 2295s 070 in the hole
260cfm at 600 452s small valves
590 cam?
victor intake and 1050 dominator 2 inch proparts
9inch tci race converter 4k stall. 3.70 gear now (can change to ???) must run on pump gas/torco mix maybe. what rpms are safe with the heavy slugs? and whats the shift point? any help would be appriciated thanks gus


74 dart sport 440 www.Csucarbs.com
Re: big block 590 purple shaft cam spec? [Re: 604 Hemi GTX] #887546
12/25/10 05:59 PM
12/25/10 05:59 PM
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NC
440Jim Offline
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In addition to the actual duration at 0.050", this is what Dwayne Porter measured on one a few years ago.

MP .590 cam, actual measurements-
DUR. @
.020=303.5
.050=270.5
.100=235.0
.150=205.0
.200=177.0
.250=148.5
.300=117.0
.350=76.0
lobe lift@TDC @105 ICL=.140
LSA 106

Re: big block 590 purple shaft cam spec? [Re: shoebox] #887547
12/25/10 06:01 PM
12/25/10 06:01 PM
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NC
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Quote:

440 2295s 070 in the hole
260cfm at 600 452s small valves



Gus,
I have a feeling the 0.590" cam might like more compression ratio than you have. What is the combustion chamber size on your set of 452 heads? They vary a lot.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
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