2006 Mustang GT... Do I need to upgrade valve springs with a competition stage 2 cam? - Page 3 - Ford Mustang Forum
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What did the stage II's dyno?

What did the stage II's dyno?

How do they feel, e/t?


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where can I find more info on these more aggressive cams? I am very interested. I am more of a N/A kinda guy, I thought about going with FI in my stang but if I can find some decent cams to choose from then I will go the NA route once again. Please post some sites that are good for Long tubes and Cams. Sorry to the OP i didnt mean to hijack your thread.


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where can I find more info on these more aggressive cams? I am very interested. I am more of a N/A kinda guy, I thought about going with FI in my stang but if I can find some decent cams to choose from then I will go the NA route once again. Please post some sites that are good for Long tubes and Cams. Sorry to the OP i didnt mean to hijack your thread.
Crane and Crower both offer very aggressive cams for the S197 GT. They have some serious intake and exhaust duration and lobe separation. May cause issues with VVT though.

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Crane and Crower both offer very aggressive cams for the S197 GT. They have some serious intake and exhaust duration and lobe separation. May cause issues with VVT though.
VVT? Please elaborate, I have been waiting for my warranty to end before I started modding so I am just now learning about my mustang. Thanks for your help though.

2005 BLACK Mustang GT Roush #05-0090 of 204 M5,
DOB manifold, m122 SC, gt500 TB, 52lbers, KB BAP, AFCO HE
Brisk plugs, Mac Lt's, Off road x, Roush TVS CAI,
Detroit rocker sc grind cams, Brenspeed 93 tune,
10 psi (2.875" pulley) 479rwhp-433ftlbs sae
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VVT? Please elaborate, I have been waiting for my warranty to end before I started modding so I am just now learning about my mustang. Thanks for your help though.
Variable valve timing. It seems that really aggressive cams can play havoc with valve timing.

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The springs are still the weak point. I would not change a cam without new springs & retainers.
I was reading a tech article on an install of these and the guy doing the install put it pretty well: "The stock springs/retainers are for the stock camshafts. Change them when upgrading the cams." Sounded like a good rule of thumb.

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The first time i brought up the new cam question to a local mustang shop they said that there could be emissions issues if i went to aggresive like a stage 3. Anyone had any issues with this?

2005 GT Redfire, red leather, interior upgrade package, shaker 1000,FRPP hot rod cams, JLT 2 CAI 91 octane tune, MAC axlebacks,BBK longtube headers and hi flow cats, eibach prolines, ford racing strut brace, 20" chrome eagle rims CDC classic chin spoiler, FRPP 4:10 gears, MGW shifter.
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The first time i brought up the new cam question to a local mustang shop they said that there could be emissions issues if i went to aggresive like a stage 3. Anyone had any issues with this?
That's the first I've heard of that.

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check these out no other info on these yet and havent got a chance to call jpc but these sound killer ( in case i posted the link wrong they are called hot rod cams by frpp

TOO MUCH TO LIST ......NOT ENOUGH TO BRAG ABOUT
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check these out no other info on these yet and havent got a chance to call jpc but these sound killer ( in case i posted the link wrong they are called hot rod cams by frpp
Sounds nice but if they're anything like those Blow-by Racing cams from awhile back, I'd avoid like the plague.

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Sounds nice but if they're anything like those Blow-by Racing cams from awhile back, I'd avoid like the plague.
Very true about the BBR (regrinds). I have a set and they have been nothing but a headache...can't wait to get the money to replace them with some Comp stage 3 cams
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Very true about the BBR (regrinds). I have a set and they have been nothing but a headache...can't wait to get the money to replace them with some Comp stage 3 cams
I had heard some disturbing reports about their early cams.

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i would go with the highst they have with comp cam springs and phaser..i purchased mine from RPM outlet and they sent them in 3 weeks i cant wait to start the car and listen to this baby,,,i check comp cam site and they have a video of a mustang running with high cams and phaser
www.compcams.co/3valve ..my self i have the ones with part no:127650
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check these out no other info on these yet and havent got a chance to call jpc but these sound killer ( in case i posted the link wrong they are called hot rod cams by frpp

Bump. Anyone heard any more about these cams? Checked on the FRPP site and still don't see 'em. If not, does anyone know of a good(safe) street cam where I can get this sound? I'm all about the horsepower, but the sound is just as important!

I guess if I can't find any decent ones out there then I'll be going with the Comp cams since I haven't heard anything bad about them. Most people are saying they don't thump very much tho.

If they play, I spray.
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