Cam selection
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Senior User
Joined: Sep 2009
Posts: 355
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From: Sidney, BC, Canada
Cam selection
I'm having my engine rebuilt (hopefully starting this week), and I'm finalizing the parts list. Here's what I'm starting with:
428, cast iron heads, Edelbrock 750cfm carb, headers.
I'm going to stick with the cast iron heads (getting rebuilt, hardened seats etc).
For the intake, I'm leaning toward the Edelbrock Performer 390.
My rebuilder likes ISKY cams, so now I have to decide between these two:
Part No. Lift Lash Hot Duration Duration Lobe
Cam Only Grind No./Type APPLICATION RPM-Range INT. INT. INT. INT. Center
EX. EX. EX. EX.
351262 262-SUPERCAM 2000-5500 .488 .000 262° 208° 108°
HYDRAULIC .488 .000 262° 208°
351271 270-MEGA 2000-6000 .542 .000 270° 221° 108°
HYDRAULIC .542 .000 270° 221°
I use the truck as a daily driver, and frequently haul my construction trailer (6500 lbs). I think in the future (once the body work is done), I'll probably wind up using it more as a weekend cruiser. So in the mean time I need to balance drivability and towing capabilities with the idea that in the future it's going to become a toy.
Thanks for your input,
darrell
428, cast iron heads, Edelbrock 750cfm carb, headers.
I'm going to stick with the cast iron heads (getting rebuilt, hardened seats etc).
For the intake, I'm leaning toward the Edelbrock Performer 390.
My rebuilder likes ISKY cams, so now I have to decide between these two:
Part No. Lift Lash Hot Duration Duration Lobe
Cam Only Grind No./Type APPLICATION RPM-Range INT. INT. INT. INT. Center
EX. EX. EX. EX.
351262 262-SUPERCAM 2000-5500 .488 .000 262° 208° 108°
HYDRAULIC .488 .000 262° 208°
351271 270-MEGA 2000-6000 .542 .000 270° 221° 108°
HYDRAULIC .542 .000 270° 221°
I use the truck as a daily driver, and frequently haul my construction trailer (6500 lbs). I think in the future (once the body work is done), I'll probably wind up using it more as a weekend cruiser. So in the mean time I need to balance drivability and towing capabilities with the idea that in the future it's going to become a toy.
Thanks for your input,
darrell
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Senior User
Joined: Sep 2009
Posts: 355
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From: Sidney, BC, Canada
Am I reading the description correctly?
Fleet Mechanic
Joined: Oct 2005
Posts: 1,369
Likes: 7
From: Gainesville, GA
Yes it says RV cam. It also says the best towing cam which will be best for you if you haul a 6500 lb trailer. I've used several RV cams and they're all different. Most people overcam their engines thinking if some is good more is better. You don't say if you are using headers and the ones you've listed require them.
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Senior User
Joined: Sep 2009
Posts: 355
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From: Sidney, BC, Canada
Alex, you nailed it! Big is perceived as better every time. That's how I wound up with a 750 Edelbrock, rather than the (probably) more appropriate 650...
Yes I'm running headers and a big a** dual exhaust.
Gears are 4.56/4.57
Yes I'm running headers and a big a** dual exhaust.
Gears are 4.56/4.57
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From: Antelope Valley ,CA
ok write me a list , more info the better
engine cubic inch
heads stock ? valve sizes ? ported ?
cam all specs
type of cam :solid ,hydraulic,roller
compression ratio
carb size
intake manifold : brand model and single ,dual plane ?
headers ?
will run sim asap
engine cubic inch
heads stock ? valve sizes ? ported ?
cam all specs
type of cam :solid ,hydraulic,roller
compression ratio
carb size
intake manifold : brand model and single ,dual plane ?
headers ?
will run sim asap
Thread Starter
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Senior User
Joined: Sep 2009
Posts: 355
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From: Sidney, BC, Canada
Hi Mike.
428
stock heads (can go get the number, but it's rainy outside, and I might melt).
headers, dual exhaust
Edelbrock Performer intake (probably, haven't completely decided yet, otherwise the Performer RPM intake)
Edelbrock 750 cfm carb
One of the three isky cams as noted above (http://www.iskycams.com/onlinecatalog.html, on pages 146, 147)
9.5:1 pistons, probably. My intent is to be able to run 87 octane fuel.
Anything else you need? Let me know...
428
stock heads (can go get the number, but it's rainy outside, and I might melt).
headers, dual exhaust
Edelbrock Performer intake (probably, haven't completely decided yet, otherwise the Performer RPM intake)
Edelbrock 750 cfm carb
One of the three isky cams as noted above (http://www.iskycams.com/onlinecatalog.html, on pages 146, 147)
9.5:1 pistons, probably. My intent is to be able to run 87 octane fuel.
Anything else you need? Let me know...
