Anyone know what the 6.4L truck cam specs are ? - Hemi Truck Club
 
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Old 03-18-2019, 12:37 PM   #1
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Anyone know what the 6.4L truck cam specs are ?

Hi,
Iv'e been looking around and can't seem to find them anywhere. I was just curious. Since the truck cam is different than the 392 scat pack cam , and there are a few other differences as well. I just pulled the trigger on an ATK 392 short block for my 2003 RCSB and was just curious.
thank you

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Old 03-18-2019, 01:47 PM   #2
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I would recommend talking with Jay Green about your goals. He has a good handle on custom cams. I foresee a 05 pcm swap in your future....
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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Old 03-18-2019, 02:37 PM   #3
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Hi Redtruck,
Congrat's on the new Garage ! Looks Nice !
Is if full yet ?
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Old 03-18-2019, 02:47 PM   #4
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Still moving stuff in.. it's taking time. .. sounds like your 03 is going to step it it up... sweet..
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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Old 03-18-2019, 04:03 PM   #5
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Yes, finally saved up enough money for the short block, Delivery is in about 4-6 weeks , so I have more time to gather parts. The motor is the ATK SP97,
Specs Below:

Block: Seasoned OE Gen III Hemi 2003-2008
Bore/Stroke: 3.927 x 4.050
Displacement: 392 C.I.D.
Crankshaft: Scat 4340 Forged 4.050" Stroke Internally Balanced
Connecting Rods: Scat 4340 Forged H Beam 6.125" ARP 8740 Bolts
Pistons: Forged -2cc Flat Top
Piston Rings: Moly Rings
Compression Ratio: 81cc=9.9:1 /85cc=9.6:1/89cc=9.2:1(based off .028" gasket)
Camshaft Bearings: Installed & Clocked to OEM Position
Freeze Plugs: Installed & Sealed
Oil Galley Plugs: Installed & Sealed

I'm going to use my 85cc heads and have them milled to get the compression to a little over 10:1 , then I have to figure out the CORRECT pushrod length ?? argh

And yes , The CAM ??
and the PCM !! I'm starting to look at the PCM swap the same as going to the dentist !
I was reading about the problems that Waylon5.7 is having , with the skim and all that .
I just want a running truck first
You think Greene knows the truck cam specs ?
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2003 Dodge Ram 5.7 hemi, RCSB, lowered McGaughys 2/4, Centerlines, Bilsteins,Stainless Longtube Headers, Superchips 91 tune, CAI, Magnaflow,190 Tstat, Transgo HD-2 w/resistor wired in plus Sonnax line pressure booster
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Old 03-18-2019, 04:29 PM   #6
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I'm not using his cam, but speaking to him I think he is very knowledgeable and I would use him. Along with the cam your heads are next important item IMO. I'm currently using Arrington phase 6 heads and they have performed flawlessly. But as you already know it never ends... Does your truck have skim?
Good luck and have fun...
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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Old 03-18-2019, 07:19 PM   #7
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I have no idea if it has SKIM, How would I tell ?
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Old 03-18-2019, 07:37 PM   #8
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Quote:
Originally Posted by oldmanram View Post
I have no idea if it has SKIM, How would I tell ?
Is your ignition key gray or black?
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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Old 03-18-2019, 08:11 PM   #9
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black
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Old 03-18-2019, 08:27 PM   #10
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Quote:
Originally Posted by oldmanram View Post
black
Sweet, welcome the no skim crowd.
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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