Hows are these cams?

Scorcher2005 · Jun 27, 2007

Comp Cams part number #102700, grind #XE278AH-13
Basic Operating RPM Range: 2,200-6,200
Intake Duration at 050 inch Lift: 242
Exhaust Duration at 050 inch Lift: 246
Duration at 050 inch Lift: 242 int./246 exh.
Advertised Intake Duration: 278
Advertised Exhaust Duration: 282
Advertised Duration: 278 int./282 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.550 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.550 in.
Valve Lift with Factory Rocker Arm Ratio: 0.550 int./0.550 exh. lift
Lobe Separation (degrees): 113

Scorcher2005 · Jun 28, 2007

anyone?

I also should have stated that right now im NA (x-pipe, flows, 3.73s), but plan on eventually getting a s/c.

darkside03gt · Jun 28, 2007

those look like the specs for stage 2's you will need new valve springs and a new tune go for it they should pull hard in the top end

Scorcher2005 · Jun 28, 2007

by stage 2, you mean the VT stage 2s? Would it be better to get something in a lower rpm operating range? Like previously stated, i'm NA right now with x pipe, flows, 3.73s. A SCT xcal/strategy flash handheld is on its way. I'm also looking around for some longtubes.

lvmustanggt · Jun 28, 2007

too much cam for street, I got comp cam XE270Ah-13 and it's good for street and strip. Hope that help.

Scorcher2005 · Jun 28, 2007

How do your cams compare to the VT stage 1 cams? And 293 is a nice number for just some cams, tb/plenum, pulley, catted x pipe/cat back. So if i switched out the pulley (going s/c in future) for some long tubes and catless mid pipe, i should just be over 300hp, correct? Whats your car run in the 1/4?

lvmustanggt · Jun 28, 2007

Scorcher2005 said:
How do your cams compare to the VT stage 1 cams? And 293 is a nice number for just some cams, tb/plenum, pulley, catted x pipe/cat back. So if i switched out the pulley (going s/c in future) for some long tubes and catless mid pipe, i should just be over 300hp, correct? Whats your car run in the 1/4?

My cams are like VT stage 2 with more lump I love my cams. I used to run 13.5 1/4 with 1.8 60' before cams . After the cams done I havn't ran good at the track cause I change my hole suspension with KYB AGX ADJ shock , struts and quads, BBK LCA and making my car worse cause I cannot seams to dial in with my adj shocks struts.

This saturday I am going with different tuner cause my tuner cannot seams to tune my car right. I even put svt focus pump and still it's lean .

The tuner I am going this saturday is well know here in vegas for his awesome tune and his name is dyno dan.

With the right tune and suspension dial in I should be running 13 low to 12 high. I use MT ET Street with stock wheels when I go to the track.

You should be over 300 or around with LT and off road x pipe

Scorcher2005 · Jun 28, 2007

Nice to hear! Anyways, will i need new valve springs with cams like yours?

importrx7 · Jun 28, 2007

you should replace them with a new cam, why not you are in their besides you'd be pissed if say 2-4k miles after you install the cam you screw them up too.

My understanding has always been replace the springs and retainers with new cams

lvmustanggt · Jun 28, 2007

Scorcher2005 said:
Nice to hear! Anyways, will i need new valve springs with cams like yours?

VT stage 1 don't require valve springs but VT stage 2 does. I change mine cause comp cams suggest to and I have high lift on cams. It's better to change it where you have every thing open but changing valve springs is PITA big time

98GTfromGA · Jun 28, 2007

Scorcher2005 said:
Comp Cams part number #102700, grind #XE278AH-13
Basic Operating RPM Range: 2,200-6,200
Intake Duration at 050 inch Lift: 242
Exhaust Duration at 050 inch Lift: 246
Duration at 050 inch Lift: 242 int./246 exh.
Advertised Intake Duration: 278
Advertised Exhaust Duration: 282
Advertised Duration: 278 int./282 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.550 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.550 in.
Valve Lift with Factory Rocker Arm Ratio: 0.550 int./0.550 exh. lift
Lobe Separation (degrees): 113

those cams won't work with stock pistons, you have to get them notched

aleborjas · Jun 29, 2007

get 270AH great torque and everything the 278AH i don't like its sucks and the iddle sucks

Hows are these cams?

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