00CAMARO408

Has any one put a tsp giant cam in a 408 stroker with a l92 top end
any numbers????

smok'nZ

iTrader: (160)

I know someone who had one no dyno numbers but i belive he ran low 10's lettin out at the 1000ft mark on spray

QAG98SS

I have a 408 with ported l92 heads and stock l76 intake, I put a TSP ms3 (237/242) in and dynoed 510/470.

00CAMARO408

Nice i might go with the tsp giant cam hopefully be around 525hp

ZLEEPER

iTrader: (24)

I don't know the specs of the giant, but I had a modified one made for my l92 setup before I went FI. I think it was 251/255 6xx/6xx with lsx/lsk lobes to help on the exhaust side. Patriot golds

smok'nZ

iTrader: (160)

old tx giant is 248/254/622/613 -11x i had one that was advertised that way in it had texas giant carven into it

NastyC6

iTrader: (77)

i ran that cam in my 403 three years ago,made 762rwhp on a 300 shot.nice cam,good daily driver,put 30k miles on that one.

Jditlfm

iTrader: (26)

Myws6 runs that cam. Maybe you have seen his vids on streetfire.

00CAMARO408

Yea ive seen that t/a sounds mean i might go with a 200 shot later on ill be posting some pics up soon of the build

myws61

iTrader: (1)

Yes sir! I run the Giant cam, and its my DD. TSP and comp did a great job with this one. I make 515+/-50whp. And with bottle its insane! Good luck!!

PowerShift408

iTrader: (44)

If you're running l92 heads, I would get a l92 specific cam to help the exhaust side of these heads. From what I've seen, they usually have 10+ more degrees of duration on the exhaust side.

03 BUSA

iTrader: (25)

^^^That is what I was going to say. That cam is not going to get along with those heads.

Sales2@Texas-speed

iTrader: (5)

We, as well as many other shops, have tested these combos extensively and know that you don't have to have 10º+ of split to make the power with these heads.

PowerShift408

iTrader: (44)

I'm not saying he won't make power Matt, but with a set of heads like this where the intake side flows soo much better than the exhaust side, it would be beneficial to have a cam compensate for this.

Sales2@Texas-speed

iTrader: (5)

I understand why you said it, but testing has shown that they don't need a huge split to make the power

WizeAss

iTrader: (5)

my testing has shown that a 236/236 doesnt compare to a 236/248 on a L92 head.

PowerShift408

iTrader: (44)

Precisely. They'll make power with a "normal" cam, but a cam that was designed specifically with these heads in mind will make more power.

Valve Lift/// Intake L92/// Exhaust L92 Intake/// Exhaust Flow%+- vs. Intake
0.100/// 72/// 63/// 87.5
0.200/// 148/// 126/// 85.1
0.300/// 212/// 162/// 76.4
0.400/// 264/// 189/// 71.6
0.500/// 302/// 205/// 67.9
0.600/// 322/// 214/// 66.5
0.700/// 316/// 221/// 69.9

Valve Lift/// Intake AFR 205/// Exhaust AFR 205/// Exhaust Flow%+- vs. Intake
0.100/// 140/// 112/// 80
0.200/// 200/// 170/// 85
0.300/// 251/// 203/// 80.9
0.400/// 281/// 221/// 78.6
0.500/// 292/// 226/// 77.4
0.600/// 298/// 230/// 77.2

An optimal cam for one set of heads will work for another set of heads, but it will be far from optimal for another set of heads.

bigdsz

iTrader: (1)

Well GM High Tech Performance magazine in it's March '09 issue did an article on L92-LS3 heads on Comp Cams cam recommendations. the article was about VVT, however the two cams Comp speced were good for nonVVT L92 heads. One cam was 218/232 .563/.575 and the other was 222/236 .566/.578. To quote the article"If these splits seem drastic, that is just the nature of L92 or LS3 heads."
IMHO L92 heads need a big split to take advantage of their potential ,small splits give only mediocre results at best. I mean if Comp Cams doesn't know what to recommend then who does?

1fastTransAm

iTrader: (6)

I didnt have a L92 top end but i loved the Giant in my old car. With a better set of heads and a 85mm or larger MAF I would have been well into the 500s. But I there are people running the giants in 370s with the L92 set up and doing fine. Just all about what you want. But a cam designed for the heads u want or have SHOULD give you the numbers you want and the most outta both.

smok'nZ

iTrader: (160)

i thought the giant was best matched with a off the shelf stage III head