Cam Help

[aquickfive0]

i have a 2002 ws6 auto. with 42 lb injectiors 255 fuel pump and putting 6.0 heads on, im changing the cam also, and need help on which to get thats now expensive, im going to be selling car soon and want a cam that can daily drive, but still have a good rummble and tear it up in the 11's at the track

[mrr23]

Dur @ .004" 284* / 290*
Dur @ .050" 222* / 228*
Lift .551 / .551
Overlap 57*
Lsa 115

"accelerator"
Street / Strip
Power Range 2000 To 6500
Tuning & Stall Converter Required
Very Powerful - Choppy Idle

[shady milkman]

Dur @ .004" 284* / 290*
Dur @ .050" 222* / 228*
Lift .551 / .551
Overlap 57*
Lsa 115

"accelerator"
Street / Strip
Power Range 2000 To 6500
Tuning & Stall Converter Required
Very Powerful - Choppy Idle

mrr were do you get all this shit on cams at. one day you'll have to give me a tutorial on cams and lift,durruation and lsa stuff.

[N4cer]

How does a cam with those short durations and high LSA have 57* overlap? The web site that came from can't be right.

[aquickfive0]

someone just told me to use a stock zo6 cam, what do u think? and remember, im using stock stall converter

[mrr23]

How does a cam with those short durations and high LSA have 57* overlap? The web site that came from can't be right.

maybe because you are looking at the wrong numbers to determine overlap. try using the advertised durations.

[mrr23]

mrr were do you get all this shit on cams at. one day you'll have to give me a tutorial on cams and lift,durruation and lsa stuff.

from a non-sponsor that i have been in joint interests for many years.

[mrr23]

someone just told me to use a stock zo6 cam, what do u think? and remember, im using stock stall converter

i missed the stock converter part. hitting 11s on a stock converter won't be easy NA. now, a power adder, like nitrous, will make it much easier. so, let's try this one. again, 11s won't be easy on a stock converter.

DUR @ .004" 272*/280*
DUR @ .050" 210*/218*
LIFT .551/.551
OVERLAP 48*
LSA 116*

"ULTRA TORQUE"
POWER RANGE 1500 TO 6000
PROVIDES VERY HIGH TORQUE GAINS
GREAT FUEL ECONOMY & POWER
NO TUNING REQUIRED
LIGHT THUMPY IDLE

this one with the 1.8 accelerated lift rockers like i have produced 50 rwhp on a 2004 GTO. this on a stock converter and stock exhaust manifolds.

i used this cam, except on a 112 LSA, and went 12.30s in the wife's car. and that was with a 3200 converter and 3.73 gears.

[Hi-Po]

mrr were do you get all this shit on cams at. one day you'll have to give me a tutorial on cams and lift,durruation and lsa stuff.

In short.... heres some general's

Lobe center line is the max lift of a cam lobe . Centerline of the # one intake cam lobe is commonly used as a reference point for degreeing.

Duration is the length of tim e that a valve is opened.... measured in crankshaft rotation. USUALLY measured from .050 " off base circle. Since there is little airflow at very low lift it is measured there.

Base circle is the round portion of the cam, lobe where lift is zero.

Overlap is period of time when intake and exhaust valves are opened simutanesly(sp?) . This occurs near the end of the exhaust stroke and beginning of intake stroke.

Lift is the distance a valve moves off the seat.

Lobe seperation angle.. or LSA.. is measured in camshaft rotation between the point of max lift on intake lobe and point of max lift on companion exhaust lobe.

dual pattern.. a camshaft with diff profiles for intake and exhaust lobes..

Single pattern has the identical profile on both I& E.

there you go Shady.... the basics.

There may be some mistakes.... anyone who catches them feel free to correct me.

[aquickfive0]

i do have a power adder, i have a STS turbo system, im running 12.6 on 5 lbs with stock injectors fuel pump and all, but i put 42 lb inectors on now 255 fuel pump snow water/meth kit and boost controller im gona go between 5 lbs daily and pump it up to 8-10 lbs at track, im putting 6.0 heads to lower compression so i can put the more boost to it

[mrr23]

ok, anything else before i recommend another cam?

DUR @ .004" 278*/ 278*
DUR @ .050" 216*/216*
LIFT .551/.551
OVERLAP 48*
LSA 115*

"SINGLE TURBO"
STREET / STRIP
POWER RANGE 2200 TO 6300
TUNING & STALL CONVERTER REQUIRED
POWERFUL CHOPPY IDLE

[aquickfive0]

thats all

[mrr23]

personally, i'd stay with the 2nd cam i suggested. the third suggests a converter.

[Hi-Po]

yep... but damn... all that and you dont have a TC?? you need to get one... better times for sure and more fun to play with also.

[N4cer]

maybe because you are looking at the wrong numbers to determine overlap. try using the advertised durations.

So you can have huge duration at .006, without having high duration at .050? I thought they correspond, respectively to each other. That's why more duration = more overlap, if LSA remains the same on 2 compared cams. Am I way off on that?

[Wheeler99WS6]

If you are running 12.6 now and plan on increasing the boost, why not just get a 3200-3600 TC and not even worry about the cam swap, more boost and a stall and I would think you would be in high 11's even mid 11's.

[aquickfive0]

its a daily driver, weekend warrior, and my wife drives, thats why i dotn wana do a big stall

[mrr23]

its a daily driver, weekend warrior, and my wife drives, thats why i dotn wana do a big stall

i had a 3200 stall in the wife's car and she had no problems.

[mrr23]

So you can have huge duration at .006, without having high duration at .050? I thought they correspond, respectively to each other. That's why more duration = more overlap, if LSA remains the same on 2 compared cams. Am I way off on that?

they correspond. vinci/crane cams are measured at .004", not .006" like most others.

vinci/crane use the advertised duration to show overlap. most people use the .050" number to figure out overlap.

[nhraformula]

its a daily driver, weekend warrior, and my wife drives, thats why i dotn wana do a big stall

get a stall with a tighter str of around 2.2 1 or so and it feels like stock.

as for a good for a turbo, there are other outfits outside of vinci that do have them. ls1speed.com is one of them.
they use a 225/225.