Cam for 01 4.8 ls1
Thread Starter
Teching In
Joined: Oct 2015
Posts: 12
Likes: 0
Whats a good size cam cuz someone told me the only difference in a 4.8 and 5.3 is the cranks and Pistons what do you think of the trucker cam on vincihiperformance
Last edited by Truck01; Jun 10, 2016 at 09:02 AM.
If you're planning to keep it mostly stock and you're just wanting to make some more power, this is probably one of your best options:
http://store.cammotion.com/48l-290-ci-95-compression-2
If you're planning to do long tube headers, and other assorted bolt ons, and you want to sound like a cammed small block, this is worth a look:
http://store.cammotion.com/little-ch...otrod-camshaft
http://store.cammotion.com/48l-290-ci-95-compression-2
If you're planning to do long tube headers, and other assorted bolt ons, and you want to sound like a cammed small block, this is worth a look:
http://store.cammotion.com/little-ch...otrod-camshaft
If you put a 232/234 cam in a 4.8 or 5.3 you're going to have a bad time.
I run a Cam Motion stage 2 drop in cam (205/210 duration) in my 5.3, it made 41rwhp and 22 ft/lbs over stock and I kept the stock gears, stock torque converter, stock exhaust manifolds, and stock pushrods. Drives like stock just makes more power everywhere.
I run a Cam Motion stage 2 drop in cam (205/210 duration) in my 5.3, it made 41rwhp and 22 ft/lbs over stock and I kept the stock gears, stock torque converter, stock exhaust manifolds, and stock pushrods. Drives like stock just makes more power everywhere.
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Also, a bully dog programmer isn't typically going to be versatile enough to tune a choppy cam. It can take many writes and rewrites to get a choppy cam to settle down for you. And the smaller the motor, the trickier it can be.
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I would suggest staying away from the Pace setter long tubes unless you like burnt spark plug wires and nearly inaccessible spark plugs.
We have a few truck cams that will work perfectly with stock drivetrain, have great lope, and make some serious power even in a 4.8l plus ls7 lifters and the gasket kits to help you rebuild the top end. We are pretty much a one stop shop!
Let us know if we can be of any assistance!
We have a few truck cams that will work perfectly with stock drivetrain, have great lope, and make some serious power even in a 4.8l plus ls7 lifters and the gasket kits to help you rebuild the top end. We are pretty much a one stop shop!
Let us know if we can be of any assistance!
TECH Apprentice
Joined: Dec 2008
Posts: 372
Likes: 1
From: Kinston North Carolina
If your looking for a more torque youll need to stay modest with the cam size. I just finished putting a cam in my 05 crew cab with a 5.3 lastnight. I looked over several shelf grinds and decided to try one from Sig Erson. It is a direct fit cam no springs or pushrods required. Specs are .510 lift 256/264 adv duration 202/210 @ .050 duration on a 114 lsa 112 icl. Sounds completely stock but made a nice gain in torque and hp. Will be getting it tuned wednesday.
Why dont most of the people that get such small cams just look around for an LS6? You are seriously leaving so much on the table with such a small cam. Or the newer lq4 cam that is around a 196/207 ish cam? Just to use stock springs? Honestly i never recommend the ls6 spring for anything. I have used them in my own vehicles because i had a bunch of sets both new and used (yellows) and had issues with them. Some of them were in trucks and never saw above 5k and still ran into issues. Even an upgrade to a .600 lift aftermarket beehive is an upgrade over the ls6 spring. It will keep you on a small budget but still give you better performance than stock.
Mid 220s duration is where you start to reach the point of diminishing returns on the trucks. LSA, advance, and lift will be the biggest factors after that. We have quite a few truck cams that work very well in the 4.8/5.3/6.0 and they all range from 210ish duration to low 220s duration on the intake. They still make loads of torque down low and in the mid range.
Mid 220s duration is where you start to reach the point of diminishing returns on the trucks. LSA, advance, and lift will be the biggest factors after that. We have quite a few truck cams that work very well in the 4.8/5.3/6.0 and they all range from 210ish duration to low 220s duration on the intake. They still make loads of torque down low and in the mid range.
TECH Resident
Joined: Apr 2014
Posts: 985
Likes: 12
Why dont most of the people that get such small cams just look around for an LS6? You are seriously leaving so much on the table with such a small cam. Or the newer lq4 cam that is around a 196/207 ish cam? Just to use stock springs? Honestly i never recommend the ls6 spring for anything. I have used them in my own vehicles because i had a bunch of sets both new and used (yellows) and had issues with them. Some of them were in trucks and never saw above 5k and still ran into issues. Even an upgrade to a .600 lift aftermarket beehive is an upgrade over the ls6 spring. It will keep you on a small budget but still give you better performance than stock.
Mid 220s duration is where you start to reach the point of diminishing returns on the trucks. LSA, advance, and lift will be the biggest factors after that. We have quite a few truck cams that work very well in the 4.8/5.3/6.0 and they all range from 210ish duration to low 220s duration on the intake. They still make loads of torque down low and in the mid range.
Mid 220s duration is where you start to reach the point of diminishing returns on the trucks. LSA, advance, and lift will be the biggest factors after that. We have quite a few truck cams that work very well in the 4.8/5.3/6.0 and they all range from 210ish duration to low 220s duration on the intake. They still make loads of torque down low and in the mid range.
What kind of issues did you have with LS6 springs?
Mid 220s duration is where you start to reach the point of diminishing returns on the trucks. LSA, advance, and lift will be the biggest factors after that. We have quite a few truck cams that work very well in the 4.8/5.3/6.0 and they all range from 210ish duration to low 220s duration on the intake. They still make loads of torque down low and in the mid range.
The LS6 cam likes RPM even in a 5.7 and was designed around a ~3,300 lb car with a manual transmission. I've never seen good results from one in a N/A truck application.
Sure a bigger cam can gain more, but you get into the point of needing other parts: stall, gears, longtubes, better springs, and pushrods.
I'm pretty happy with these gains and this powerband, the best thing being the truck has more power from idle up and perfect manners:
The numbers are somewhat deceiving as this dyno is stingy as hell (25-30 hp low on a typical cammed/bolt on ls1) but the gains definitely show. I literally just changed the cam and valvesprings (ls6 springs) and retuned. The truck was tuned before the cam as well so gains from the tune were minimal.
It's not setting the world on fire but it's doing a lot better than stock without any negatives or needing any other changes.
