Superado

iTrader: (34)

Hey guys, I have had this thread going for a couple of weeks on pt.net...
its getting so many different views, however I think the last few posts have been on the money and it was suggested that due to the fact that there are so many more Procharger guys here, to post it here as well for your qualified opinions. Here's a link to the thread, please post your replies here on this ls1tech.com thread if you don't mind...

http://www.performancetrucks.net/for...d.php?t=366243

Thank you,

Al

Tirefire

iTrader: (1)

I have the Lingenfilter Gt2-3 which made 526hp/510tq. Talk to Bob, at Exotic Performance Plus he'll hook you up.

STALL UP

iTrader: (2)

I have a 220/224-569-569/114 and love it.

Got Me SOM

iTrader: (2)

I run a 224/230 .581/.588 on a 115 and its a nice came and it pulls hard on top.

I would have rather run a 220/224 since my car is a street car and spends most of its time on the lower rpms but I''m not complaining, this cam has just enough "chop" to it to let ya know what's going on.

kp

iTrader: (34)

I ran a 01 Z06 cam for nearly 2 years with great results with a D1SC. I just swapped to a 222/228 115 .566/.577 cam. Hitting the track tomorrow to see what happens..

EPP

iTrader: (22)

The Lingenfelter GT2-3 camshaft would be a very good choice for your truck. Bob

Blownramair

KP let us [especially me] know how that cam works. I am interested.

Jay

BudH

iTrader: (3)

Me too! That LS6 cam has worked so well for you, I am very interested in thi difference with this new cam.

Superado

iTrader: (34)

Thanks for chiming in Bob...I had e-mailed you via your website, but info here is great, and I'm sure your e-mail gets swamped...

I thought the GT2-3 would be more for a Radix type SC set-up though, one that has low-end power, unlike the ProCharger. However, after looking at the specs again...207/220 571/.578 w 1.7 rocker 118.5 CL...it is similar to the ATI's suggested splits in duration and lift. The LSA is significantly higher though.

Everyone, I am somewhat cam illiterate, so thank you for your patience and explanations...the real world experience that you share is much better than theories, for sure.

Also, do you guys feel the same about LS6 springs and hardened 7.4 pushrods being the only required upgrades...re-using the stock rockers?

Any info is greatly appreciated.

Thanks again guys for all of your replies.

Superado

iTrader: (34)

Definitely want feedback...thanks...

Slowhawk

iTrader: (12)

For a 5.3l truck you really need the Cam small.If you have longtube headers you don't want much split.Also the boost level will dictate the Cam used.I'd figure 8lbs is good.

My rec.- 210/216 .550/.550 on 114 duration +2

stevieturbo

Sounds just like my camshaft, and I'm pretty pleased with it.

Although for a smaller cc like the 5.3, a milder cam would probabky be the better choice.

Patrick G

iTrader: (14)

With a blower on a small motor, you won't need a lot of intake duration, but you'll want the exhaust lobe to be appropriate to handle the amount of power made. That means a fairly large split. Also, with a blower, you'll want to limit your overlap to around 0 degrees at .050", but you don't want to go with too wide of LSA...the resulting early exhaust valve opening will bleed off too much cylinder pressure.

212/230 .580/.592 112LSA +2 (ground with Comp XFI/XE-R lobes)

Don't let the 112LSA fool you. This cam has only -3 degrees of overlap at .050" which will limit the bleed off of boost and the narrower LSA will also keep the large exhaust duration from opening too early.

Ed Blown Vert

iTrader: (2)

Thats very close to mine.

222/226 .585 115

Superado

iTrader: (34)

BTW, I do have headers, didn't realize that I didn't have it listed in sig...
Not longtubes though...

eb02z06

iTrader: (18)

How about Thunder Racing's new blower cam-looks similar to the CheatR cam?

Superado

iTrader: (34)

I don't think that the lift split being the reverse of the duration split is desirable in my application...correct?

Got Me SOM

iTrader: (2)

that's what you want, but that is a big split duration'd cam. Got a lot of lift. You traditionally want a 4 or 6 degree with split with emphasis on the exhaust cause the blower makes up for intake portion.

Patrick G

iTrader: (14)

Incorrect. With a blower, you want as much valve curtain area as possible during the time of duration. Lift is beneficial here. The exhaust on the other hand, is less sensitive to lift, but very sensitive to exhaust.

If you were pushing 500+rwhp NA, you wouldn't consider a 220 duration exhaust lobe would you? Then why wouldn't you run a 230 duration exhaust with a 500+rwhp blower? Big duration on the intake is not necessary when running a blower. Shorter intake duration helps keep overlap low. The large exhaust duration flows to the 500+rwhp potential.

kp

iTrader: (34)

heh, I made 678rwhp with 211 degrees of exh duration @ .050 and .525 lift.