Need help please!!! Have a cam situation...
What cam could i use in 02 ls1 trans am that will be decent, that i can use, using the same internal components and spring kit i already purchased.
Desperately need your input and honest opinion on this one.
CAM below is what i have but not yet installed...
Cam Style Hydraulic roller tappet
Basic Operating RPM Range 800-5,800
Intake Duration at 050 inch Lift 206
Exhaust Duration at 050 inch Lift 212
Duration at 050 inch Lift 206 int./212 exh.
Advertised Intake Duration 259
Advertised Exhaust Duration 265
Advertised Duration 259 int./265 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.515 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.522 in.
Valve Lift with Factory Rocker Arm Ratio 0.515 int./0.522 exh.
Lobe Separation (degrees) 112
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible Yes
Grind Number XR259HR
Valve Springs Required Yes
VALVE SPRING KIT AS FOLLOWS...
Brand COMP Cams
Manufacturer's Part Number 26915CS-KIT
Part Type Valve Spring and Retainer Kits
Product Line COMP Cams High Performance Valve Spring Kits
Summit Racing Part Number CCA-26915CS-KIT
UPC 036584225478
Number of Springs Per Valve Single
Outside Diameter of Outer Spring (in) 1.290 in.
Damper Spring Included No
Spring Rate (lbs/in) 313 lbs./in.
Inside Diameter of Outer Spring (in) 0.650 in.
Valve Spring Style Beehive
Coated No
Retainers Included Yes
Retainer Material Steel
Locks Included Yes
Lock Style 7 degree
Lock Groove Quantity 1-groove
Lock Material Hardened steel
http://speed-eng.com/store/comp-cam-...34-p-1496.html
A Tr220 would also be a nice option.
http://www.thunderracing.com/shop-by...ain/Camshafts/
Another CompCam:
Comp Cams LS1 Camshaft - 218 / 224 .527 / .534 114 LSA
http://www.ws6project.com/user_stor/...oducts_id=1447
Here's a Crane cam:
http://www.ws6project.com/user_stor/...oducts_id=2568
Last edited by 99Bluz28; May 29, 2011 at 02:06 PM.
Overall what can be expected from the cam i have and is it really worth it...
something like a 224/224 or even a 228/228 for something a little more aggressive.
the cam you have listed is a small cam, not much bigger than stock or a ls6 grind.
both cams sizes I listed are very common cams choices for guys that want excellent street manners but some extra hp and fun.
if you start going as large as my cam 231/237 the car starts becoming less and less of a daily driver...
when picking a cam...
you have to ask yourself, how big are you going to build your car, what are you goals for hp, and how do you drive your car..
once you list that people can more easily suggest a cam
small gains hp, but consistant through the rpm, good for your stock torque converter.
good sound and thump from the 112 lsa...
Is the XFI bigger cam known to put out some decent numbers when it comes to horse power? And how would i find it?
I also have some edelbrock headers, SLP lid w/knn filter, Flowmasters, and Hollowed Cats, to go with the cam set up.
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something like a 224/224 or even a 228/228 for something a little more aggressive.
the cam you have listed is a small cam, not much bigger than stock or a ls6 grind.
both cams sizes I listed are very common cams choices for guys that want excellent street manners but some extra hp and fun.
if you start going as large as my cam 231/237 the car starts becoming less and less of a daily driver...
when picking a cam...
you have to ask yourself, how big are you going to build your car, what are you goals for hp, and how do you drive your car..
once you list that people can more easily suggest a cam
It would definetly be a weekend car, to conserve it better, But I would go on long trips in it occasionally. Like Texas to Cali and back... Would that be an issue?
HP goals... I would like to see my car hit 450-475 one day.
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when looking at a cam spec. Look at the numbers at .05 lift..
in example:
224/224 - 581/581 - 114lsa
vs
231/237 - 595/595 - 112lsa
both these cams are bigger than the one you have..
however the 231/237 cam has longer duration, higher lift and high lsa at 112.
most people look at the 112 as the sound. (it does more, but we will keep it simple), the lower you go with that number the rougher your car will idle and the meaner it will sound, the higher you go, the smoother the idle and more tame the car sounds.
for example a 116lsa known to be stealthy, a 112 or 110 is known to sound like a mean race car.
the 231 and 595 effect the amount of airflow through the engine and for how long.
simply put higher numbers (assuming they compliment the build) produce bigger numbers.
to hit 450-475 NA...
you will need heads and cam combo with 90mm intake.
a good size cam would be required.
your current cam will not get you there.
my car as i mentioned is a weekend toy for racing, shows and some long drives. However my car is a 6 speed so cam selection is a little different since I dont have to match it to a stall on a torque converter.
I would suggest looking around the 228 range and into the 230 range for cams, for the hp you want
remember a cam really alters how a car behaves.. Ive seen many people wish they would have choose a bigger cam, and many others that regret getting a big cam.
But if you have an auto is defineatly do a stall converter first
Crane Cams #1449031, 228/232 112lsa,.551" lift.
Edelbrock #2216, 230/237 110lsa, .540" lift.
Lunati #55007LUN, 230/237 112lsa, 0.544 int./0.543 exh.
Give me your best sugestion in this case???
Thanks again, I was so bumed out at my poor selection, But still got options...
228r cam
pushrods
Springs
Oil pump
Gaskets/bolt kit
Timing chain
Converter with trans cooler
You are making this way way harder than it should be. Call Texas speed and talk to Matt or john.. Tell them you want the 228 cam kit and add an ls2 timing chain and a regular ls6 oil pump along with the basic gasket bolt kit.
Then call a converter company, I recommend ptc, and order a 3600 converter with a trans cooler. They make an amzing, one of the best, converter and you an get that package for under 550 shipped.
I highly recommend buying the pacesetter painted headers with tsp y pipe also.. you can get that with spark plugs and extensions for 450$.. also from Texas speed. Grab a cutout from summit or jegs for 30$.
Get a tune from a sponsor called FROST on here..
That will put a non stop grin on your face... hit your mark, sound awesome, be reliable, etc etc.


