which cam to use???
12-23-2006, 07:23 PM
#1
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which cam to use??? i have a 98 z28 ls1 and im looking to cam it out when i change my headers, it is a daily driver and im only gonna have long tubes exhaust ls6 intake and cam.. but which cam is mild enough to have?? and do i need springs with that i heard some cams i might need to change the springs??
12-23-2006, 09:48 PM
#6
Originally Posted by Red99TA
I wouldn't trust stock springs past .525" of lift. Your stock cam doesn't even go past .500" IIRC whereas the 224 sports .563" lift plus it's worth the piece of mind to throw some better springs on there.
ORIGINAL POSTER: You should find people in your area with different cams and drive them or talk to them at least. I had a 224 and while it was mild, it just wasn't enough on the top end. Switching to my current cam, the drivability is almost exactly the same, but it keeps pulling up top too. Cam choice will be personal preference. If I were to go small, I'd go with something close to a 228/230 on LSK lobes.
12-23-2006, 10:47 PM
#7
Your going to need to change springs. Thats the first thing you need to realize.
2nd is you need to set some goals for the car. What do you want it to be when it grows up?
Yes TR224 is the best all around street cam on the planet for a mostly stock fbody.
I had one and now have a bigger cam because I wanted more power up top.
BUT You do lose down low when you opt for more up top. It's just the way it is. Driveability is effected as well. Biigger the cam the more work it is to drive slow. In an m6 car anyway. Used to be (with tr224) I could lope down the road in 2nd gear at 15 mph at around 1300 rpms. Not anymore. Get below 1800 rpms at 15 mph and its rodeo time.
My car is tuned for driveability as well. Its just the facts of a big cam. I also have 3.89 gears to help the situation. On the highway its not an issue I can idle at 1200 rpms in 6th gear down the road all day long. Its the low speed driving that takes a hit with the bigger cam.
TR224 is perfect for your first cam and might be the only one you ever want.
2nd is you need to set some goals for the car. What do you want it to be when it grows up?
Yes TR224 is the best all around street cam on the planet for a mostly stock fbody.
I had one and now have a bigger cam because I wanted more power up top.
BUT You do lose down low when you opt for more up top. It's just the way it is. Driveability is effected as well. Biigger the cam the more work it is to drive slow. In an m6 car anyway. Used to be (with tr224) I could lope down the road in 2nd gear at 15 mph at around 1300 rpms. Not anymore. Get below 1800 rpms at 15 mph and its rodeo time.
My car is tuned for driveability as well. Its just the facts of a big cam. I also have 3.89 gears to help the situation. On the highway its not an issue I can idle at 1200 rpms in 6th gear down the road all day long. Its the low speed driving that takes a hit with the bigger cam.
TR224 is perfect for your first cam and might be the only one you ever want.
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12-23-2006, 10:58 PM
#8
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I agree....TR224. Thunder Racing has a package deal. You get the cam, Comp 918 springs and hardened pushrods. Thats about all you need....prolly a couple gaskests as well. You might look into an underdrive pulley as well since the stock one has to be removed for the install. Call Thunder Racing, they'll set you up with everything you need.
12-23-2006, 10:59 PM
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First off you need to be realistic with what you want the car to do now and at all the stages up to completion. If you get a cam, you will have to change springs. Pretty much a given there. You will also need at the very least a mail order tune. There is alot more cost to changing a cam, then just the cam itself.
Cam
springs
retainers
pushrods(measure for correct length)
tune ---->mail order, friend with HP Tuners, or full dyno tune
As you can see the price goes up pretty fast. I would not opt for the full dyno tune until you have the rest of your bolt ons and a set of heads(if that is in the plans eventually). If you have a friend to do tuning, then by all means get a street tune...you will need to do one of them after putting the headers on anyways.
With all that being said, tell us what you want the car to do and we can tell you what route to take. The TR224 is probably going to be the most popular answer as already mentioned, but may not fit exactly what you have in mind. I had one way back in the day when it was considered an extreme street grind, boy times have changed.
Cam
springs
retainers
pushrods(measure for correct length)
tune ---->mail order, friend with HP Tuners, or full dyno tune
As you can see the price goes up pretty fast. I would not opt for the full dyno tune until you have the rest of your bolt ons and a set of heads(if that is in the plans eventually). If you have a friend to do tuning, then by all means get a street tune...you will need to do one of them after putting the headers on anyways.
With all that being said, tell us what you want the car to do and we can tell you what route to take. The TR224 is probably going to be the most popular answer as already mentioned, but may not fit exactly what you have in mind. I had one way back in the day when it was considered an extreme street grind, boy times have changed.