Lunati tech says 114 lobe sep cam for my 71 W100 4x4's 383
#2640295
04/02/19 05:12 PM
04/02/19 05:12 PM
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Joined: Jul 2005
Posts: 1,954 Blairsden, CA
Triggerfish
OP
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OP
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Joined: Jul 2005
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Blairsden, CA
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Ok, I talked to a cool sales rep & also a tech at Lunati about the best Voodoo cam for my 71 W100's new 383. The block was decked & forged pistons are .018 above the deck. Stock 440 Source heads (80cc) w/ single springs , headers, Weiand dual plane intake, maybe Holley vacuum 750 or Eddy AFB, big tires (33x12.5x 16.5) and 3.55 gears (soon changed to a 518 w/ 3.91's or 4.10's with OD).. Might tow once in a while open car trailer, etc. The tech says the 703 cam with a 114 Lobe sep is better than the 112 lobe sep 702. Would sure appreciate your info on which is best & here's the specs:
1. LUN-10230702LK Cam Style: Hydraulic flat tappet Basic Operating RPM Range: 1,400-5,700 Intake Duration at 050 inch Lift: 220 Exhaust Duration at 050 inch Lift: 226 Duration at 050 inch Lift: 220 int./226 exh. Advertised Intake Duration: 262 Advertised Exhaust Duration: 268 Advertised Duration: 262 int./268 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.475 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.494 in. Valve Lift with Factory Rocker Arm Ratio: 0.475 int./0.494 exh. Lobe Separation (degrees): 112 Camshaft Gear Attachment: 3-bolt Computer-Controlled Compatible: No Lifters Included: Yes Lifter Style: Hydraulic flat tappet Valve Springs Included: No Retainers Included: No Locks Included: No Valve Stem Seals Included: No Timing Chain and Gears Included: No Assembly Lubricant Included: Yes Pushrods Included: No Rocker Arms Included: No Gaskets Included: No Valve Springs Required: Yes
2. Lunati Voodoo 703 cam Manufacturer's Part Number:10680703 Product Line:Lunati Voodoo Camshafts Summit Racing Part Number:LUN-10680703 Cam Style:Hydraulic flat tappet Basic Operating RPM Range:2,000-6,000 Intake Duration at 050 inch Lift:226 Exhaust Duration at 050 inch Lift:234 Duration at 050 inch Lift:226 int./234 exh. Advertised Intake Duration:268 Advertised Exhaust Duration:276 Advertised Duration:268 int./276 exh. Intake Valve Lift with Factory Rocker Arm Ratio:0.527 in. Exhaust Valve Lift with Factory Rocker Arm Ratio:0.547 in. Valve Lift with Factory Rocker Arm Ratio:0.527 int./0.547 exh. Lobe Separation (degrees):110 Computer-Controlled Compatible:No Grind Number:VD-AMC6-226 Valve Springs Required:Yes
Last edited by Triggerfish; 08/13/19 10:05 PM.
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Re: Best cam for my 71 W100 4x4's 383?
[Re: Triggerfish]
#2640368
04/02/19 08:12 PM
04/02/19 08:12 PM
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Joined: Jan 2003
Posts: 14,499 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
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Off the top of my head I’d say it’s too big for what you’re doing with the vehicle....... especially with the bigger heads and bigger valves.
Did you measure the deck clearance and cc a chamber or two?
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: Best cam for my 71 W100 4x4's 383?
[Re: Triggerfish]
#2640479
04/03/19 12:11 AM
04/03/19 12:11 AM
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Joined: Aug 2006
Posts: 614 Michigan
Get-X
mopar
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mopar
Joined: Aug 2006
Posts: 614
Michigan
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That's a awesome truck man, really cool looking old Dodge! I wouldn't be afraid to run that cam with 4.10 gearing and a big block. You didn't mention where you thought you'd end up with compression, but if it's anywhere near 10 to 1 I think the combination is sound and it should make good torque and mid-range power.
'65 Belvedere '68 GTX '57 Dodge pickup
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Re: Best cam for my 71 W100 4x4's 383?
[Re: Get-X]
#2640483
04/03/19 12:41 AM
04/03/19 12:41 AM
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Joined: Feb 2003
Posts: 1,646 Ontario,Canada
firefighter3931
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Joined: Feb 2003
Posts: 1,646
Ontario,Canada
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I'd use the Crower HDP271 grind and install it on a 106 ICL. Cool truck Buzz ! Ron
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Re: Best cam for my 71 W100 4x4's 383?
[Re: Triggerfish]
#2640996
04/04/19 07:43 AM
04/04/19 07:43 AM
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Joined: Jan 2003
Posts: 4,296 Chicago, IL
TonyS451
master
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master
Joined: Jan 2003
Posts: 4,296
Chicago, IL
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Very nice stuff you have there, and doin it right from bottom to top.
2 kids and a dog
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Re: Best cam for my 71 W100 4x4's 383?
[Re: Triggerfish]
#2642020
04/06/19 05:10 PM
04/06/19 05:10 PM
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Joined: Jan 2006
Posts: 657 B.C.
mk_
mopar
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mopar
Joined: Jan 2006
Posts: 657
B.C.
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Re: Best cam for my 71 W100 4x4's 383?
[Re: fast68plymouth]
#2684503
08/04/19 11:31 PM
08/04/19 11:31 PM
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Joined: Jul 2005
Posts: 1,954 Blairsden, CA
Triggerfish
OP
top fuel
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OP
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Joined: Jul 2005
Posts: 1,954
Blairsden, CA
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Off the top of my head I’d say it’s too big for what you’re doing with the vehicle....... especially with the bigger heads and bigger valves.
Did you measure the deck clearance and cc a chamber or two? Dwyane, the forged pistons are .018 above the deck & we didn't CC the 440 Source heads, but if they're close to 80CC as advertised, what would be a good performance / RV cam? The 383 also has headers & a Weiand dual plane intake. Thanks again for the advice.
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