JS

iTrader: (4)

I want lope,I dont want smooth so I want 112+2..
But I want it to pull teeth out from 4000 to 6500
Can I run this cam with .030 heads,2.02/1.57 vavles and notched pistons?

jlaw

Now I have it on a 112+2 =)

PREDATOR-Z

Are you kidding?? For M6? M6 owners would rather commit suicide than run anything over 112lsa

Nice A4 grind though, Hmmmmm

HumpinSS

iTrader: (1)

My Fm13 on a 110 +4 clears fine as stated earlier in the post. M6 guy here though

eb02z06

iTrader: (18)

So let em get this strate XE-R lobes suck but the F13 lobes even though we don't know what they are are awesome and they won't kill springs. No it also seems u guys like this cam on a 114? My cam is currently on a 112 and it works pretty good (425/400 on a Z06-stock heads)but I just wanted a bit more and I heard great things about the F13. Reason I wanted just a bit more is I just finished installing a set of AS 5.3 stage 2.5 heads. I drive the car every day so i don't want to get stuck with something that bucks under 2 grand plus I don't want to buzz the motor to 7 grand either-currently I peak out at 6500 and won't the 114 push the powerband out further. So the F13 on a 112 or a 114-I'll sacrifice a bit of driveabilty for power. And I still have yet to find out the advertised duration of this cam?

JNorris

iTrader: (4)

The F13 specs are 230/232 .591/.581 ICL=108 LSA=112. Considering that your current cam is a 228/230 I doubt you will pick up much HP.

PREDATOR-Z

They don't suck, they are hard on valvetrain (49 or lower ramp rate)
FM13 230/232, .591/.585 (112/114)

algws6

iTrader: (3)

what does the 114 peak at?

PREDATOR-Z

Around 6100+

JS

iTrader: (4)

Still no help?
Will it work with my setup and do u think a 114 is better for my car?
I like the idea of a 112+2...

gomer

iTrader: (13)

See my previous post... I've had the 112+2 and when I buy again I'll buy the 114+4. Belive me, you won't regret it I'm pretty sure you'll be fine on P/V, especially if you are running good springs.. but I'd still check to be safe.

JS

iTrader: (4)

I run 113+2 now so I think your right,I like lope but it sounds pretty good on a 114 as I heard it via a mpeg.I would imagine my Cartek S2X heads would LOVE this cam and I could shift the car around 6700

My cam now is a Xer lope and the do make the springs tick alittle too much for my liking.I love the idea of a cam thats alittle easier on valve train parts.I run duel springs and good pr so I'm okay Gomer.Do u really think I'll pick up RW from 4K on over my 224-580 113+2 XER?

I'll call Allan this week
Thanks...

racer7088

What are you saying?

racer7088

They are but you have to run the right springs otherwise they will not make the power you would expect if they float. We have used them with no problems and others have had no luck but with other springs. It all depends on how you setup your valvetrain. There are lobes certainly more radical than the XER lobes that will run just fine with the right setup. These LS1 cam and valvetrain setups are advancing slowly but surely.

racer7088

JNorris,

What I'm talking about is the balance of the P to V numbers. You're still more likely to hit an exhaust so if you have very little on both you may still need to trade the intake for the exhaust. Or just realize you are compromising everything to get the cam in there and live with the results. With these no relief LS1 pistons that what a lot of these guys are doing I guess and I know where you're coming from!

JS

iTrader: (4)

I know my springs arnet floating,I pull hard to 6500 and then power drops off.The XER is a good lobe but they do cause alittle more valvetrain noise.I just want a cam that;ll give me about 15RW over my 224-580 cam from 4K and up.

JNorris

iTrader: (4)

That I agree with you.

JNorris

iTrader: (4)

I understand. Thanks for the more detailed explanation.




John

93Polo

iTrader: (5)

I do not see .200" #s on my cam card. I would call Futral.

FWIW ICL 107.8 LSA 111.8
Intake duration is 227.7/.57586" of lift and exhaust is 230.9/.59594"

Lobe area int/exh is 27.36/28.19

Vortech the F13 would be worth some ponies over your 228/230 XE grind but i would spend the $$ on a good set of heads.

eb02z06

iTrader: (18)

I do have some awesome heads-I have Jay's stasge 2.5 5.3 heads. I made 450 without a propertune because the dyno broke down. I was looking at the F13 because it has more lift to take advantage of the xtra flow the AS head offers(.6=314cfm) and slightly more duration without killing the drivabilty. I was going to go with the G5X3 but i don't see the need for all that exhaust duration. Plus i still haven't seen the advertised duration of the F13, I know my cam is 281/283. I think my cam is pretty good I just wish it mad a tad more lift.