hammertime

iTrader: (1)

Overlap is of course the amount of time that both valves are open at the same time, specifically that the intake valve is starting to open as the exhaust valve is still closing. Because the cam is rotating, we measure it's specifications in degrees of rotation (duration, overlap, intake centerline angle and lobe separation angle).

Overlap is the end result of two opposing durations and the distance between them, or the lobe separation angle. Look at the drawing below, representing two single pattern cams (intake and exhaust duration are the same on each cam).



On the first cam, the two lobes are farther apart, on a wide LSA as we would say. Note the area of the overlap triangle from Cam 1 compared to Cam 2. The durations of all four lobes are the same, the only change is to bring them closer together, which increases the amount of overlap.

The +2 and +4 is meant to signify advance not a change in LSA.

RE AND CHERYL

iTrader: (31)

Almost everyone who installed a cam in their car wants to upgrade or wishes they went bigger. Once you get more, you naturally only end wanting even more. I love my Stealth II, but sometimes I'd like it to pull a little harder and wish I'd gone little bigger. Then some Cobra or Vette picks a race with me because it sounds so stock it sickening, and I get serve them a big helping of humble pie.

I'd go TR224 on 114LSA. Cams with little to no lope rock. Who's gonna pick a race with someone who obviously looks and sounds like they could lay waste you without raising their oil temperature.

Re'

TA1364

iTrader: (11)

Lets see if I understand, the only way overlap is changed is by changing the LSA. Advancing the cam isnt something ground into the cam. Advancing a cam brings down the peak X amount of rpms. Seem right?

Back to the 228/232, 110 no adavance, +2, or +4? Why not go with 112 to keep overlap down and streetability up?

02T/A-WS6

iTrader: (4)

Yes advancing the cam will bring down the curve so instead of making peak power at 6400rpms it would bring it down to 6300rpms...just an example. However advance can be ground into the cam which makes it easier to install.

As for the last question I am not sure on but im sure somebody will know.

Patrick G

iTrader: (14)

An engine will want certain valve events. Assuming the save IVO and IVC, widening the LSA will open the exhaust valve earlier. This can bleed off cylinder pressure on the power stroke prematurely, reducing torque. The earlier EVC reduces overlap, which can also reduce power. There's no free lunch. Often, what you gain in street manners, you lose in power under the curve.

Redlinez

iTrader: (5)

Allan told me my springs should last 50k miles with my F14 hl. Mine peaked @ 6200 if I remember correctly.

TA1364

iTrader: (11)

Man this stuff is complicated There are so many ways to go.

For a 228/232 cam what lsa and advance if any, without spinning real high would you suggest then?

02T/A-WS6

iTrader: (4)

Haha now you can see where i was coming from I have read almost every cam thread and I just got so frustrated because there are so many variable with just the cam alone and then figure out which is right for my application i was

Its just best to ask the guys who know like Patrick G.
Thats the one thing i learned from reading all those thread which was to talk to him. Its worth it to have him custom spec a cam for your application for an extra 25 bucks...def worth it to have high average number through the curve.

greinder03

iTrader: (11)

one word ms4.

chrs1313

iTrader: (24)

wrong word...actually 2 letters and a number...

patrick g or predator z is the way to go...

02T/A-WS6

iTrader: (4)

MS4 was thrown out of the question already

sapper_daddy

iTrader: (12)

come on though you just blew it out of the water...he made the with AFR heads!!!
the OP *MAY* do CNC heads later...

bottom line I would do a custom cam or something a bit bigger (above 235 and above .600 on both sides) than your original thoughts. Point is you don't know how far you want to go with your car in the future, so make the swap worth it. Meaning something that will give you enough power to satisfy, I got help with some specifications on a custom cam. Basically some quick intake lobes, split, with about 4 degrees of advance to get it in the pants (just a street car) anyways my opinion, take your time. Maybe try to find some cars in person that are running these? Just an idea, but I know people with cams aren't always just hanging out in a parking lot.

02T/A-WS6

iTrader: (4)

"Maybe try to find some cars in person that are running these? Just an idea, but I know people with cams aren't always just hanging out in a parking lot."

I wish it was that easy... I cant even find another LS1 within 45 min. of me.

I feel like i really am "The last of the Breed"

In the sticks!!!! lol

01Z0H6

iTrader: (63)

G5X3, but then again i'm biased.. This is what i am running in my DD..Very streetable,trackable, whatever you throw @ it, it's a very nice cam.

JMO... 236/242.... .610

TA1364

iTrader: (11)

After riding in a car with tr224, Id want a cam thats more noticable

bad6as

iTrader: (17)

if you like the 228/232 durr. get it as tight as you can with good ptv clearance like a 110+3 or 4

i think torched ta has a 228/232 110+4

02T/A-WS6

iTrader: (4)

I have decided to go with patrick g and get a 226/226 .609/.600 110+2. It tailored just for my application and will work awesome...i will give the update as soon as its install. Give it awhile though. She is sitting til spring....sucks!

FMX05

iTrader: (3)

Very true. Lots of people over think the cam they pick and under think the tuning. TTP put their Equalizer V3 cam in the car in my sig. I have only put ~ 500 miles on it since I bought it. The clutch is far worse than the motor for DD and it isn't bad at all. TTP did a really great job tuning it. The previous owner gave me the dyno sheets with the car and the torque curve isn't really a curve. It's a straight line more or less. It makes 340+rwtq at 1700RPM. That makes this car really well mannered on the street. The V3 is a pretty big cam too. I don't know the specs on it but it sure sounds good. I'll have to find my camera cable and post up pics of the dyno graph. What a DD is defined as is different for everyone. You seem to have a good idea of what you want. The only other thing I could suggest is taking a ride in some cars with different setups. If your in the GA/SC area I'll give you a ride.

sapper_daddy

iTrader: (12)

I still say you aren't going to be satisfied and should go a little bigger. To each his own.

DANOZ28

iTrader: (1)

so, all these big *** cams provide peak hp UNDER 6k? they all run perfect for a daily driver? yah, sure they do!