4v info appreciated

mmvi · January 23rd, 2009, 12:36 PM

I have an 03 mach 1 engine in my car, I'm looking to do some upgrades to it. First off, I'm looking at cams, throttlebody and possibly a head cooling mod.

I heard some things about the 96-98 cobra intake cams being more aggressive than the 03 mach1 cams, and was wondering if it would be worth the change over the compcams 106300's? Obviously, it would be cheaper to grab some old cobra cams, instead of buying new ones, but I'm questioning if I would be better off with the 106300's and some new springs?

Current Mods:
BBK CAI
BBK LT's
322rwhp/326rwtq

wraitherx · January 23rd, 2009, 12:42 PM

head cooling mod would be good. TB i wouldnt do until you do FI or NOS as it will not yield a significant power to price ratio. As far as the cams I remembered somewhere that the intake cams are the same and the exhaust cam on the 96-98 cobra are better so its up to you on that part whether to go with the cobra or comps. also while you are at it doing your cams you might as well get some head work done as well.

Lefty · January 23rd, 2009, 01:31 PM

^+1

RandoGT · January 23rd, 2009, 02:38 PM

are your mods really just a CAI and LTs and you're pushing that much power?

mmvi · January 23rd, 2009, 02:59 PM

yeah, that's it. I heard that the intake cams were more agressive, and the exhaust cams were identical. Just thought it might be easier and cheaper to do 98 cobra cams, over the 106300's and springs.

wraitherx · January 23rd, 2009, 03:19 PM

yeah, its either one i dont remember exactly but it would be alot cheaper to go that route rather then buying the comps, especially if you dont plan on doing anything like FI or a big shot of NOS. But get the head work done while you got it apart so you just knock out 2 birds with one stone. youll get good results out of the cam swap but you would get better results with good head work as well

SWEET2KSTANG · January 23rd, 2009, 04:05 PM

the 96-98 cobra cams are a hair more aggressive, but not worth more than single digit power increases. the 106300 is a mild cam, these motors need to rev and those cams arent made for high rpm's. if you are looking for a cheap set of cams, then look for a used set of cams or maybe a set of supercar cams. stock t/b is fine and is not a choking point till fi, porting the stocker is than sufficient. head cooling mod is something that should be done, but can be a pain in the ass to do. porting the intake manifold is another mod that i would do.

mmvi · January 23rd, 2009, 04:24 PM

gt40 cams? they're near impossible to find, even more difficult than the 98 cobra cams. just as the fr500 kit, I've heard that they need to advance the timing on the intake to work properly?

SWEET2KSTANG · January 23rd, 2009, 04:31 PM

impossible? no, $500 from ford.

mmvi · January 23rd, 2009, 04:39 PM

well, i was talking like forums and whatnot. do you know anyone that has that setup, or a tech article on it or any info on it? I've read, as far as the 98 cams go, that you need to advance the timing *20 to prevent the loss of torque, but it adds a good 15hp. I've never read into the gt40 cams.

SWEET2KSTANG · January 23rd, 2009, 05:12 PM

Originally Posted by Doc8224

and here is mine with the GT cams. Not a huge lumpy idle but it rougher than stock
YouTube - Mach 1 Idle

and you know who has his car in the garage dont you?

99blkcobra · January 23rd, 2009, 05:14 PM

Originally Posted by SWEET2KSTANG

and you know who has his car in the garage dont you?

dont you?

SWEET2KSTANG · January 23rd, 2009, 05:17 PM

Lefty · January 23rd, 2009, 06:39 PM

I miss doc and his Mach

SWEET2KSTANG · January 23rd, 2009, 08:54 PM

i dont miss the car, its being a little b!t(h. worse than a woman, i swear.

Lefty · January 23rd, 2009, 08:57 PM

Originally Posted by SWEET2KSTANG

i dont miss the car, its being a little b!t(h. worse than a woman, i swear.

yeah i've been following your "bad luck" threads

I feel ya dude. Bad luck is gay. But it will eventually pass....then come back again and so on and so on. It's an endless damn cycle.

SWEET2KSTANG · January 23rd, 2009, 09:04 PM

i just hope the bad luck ends with this motor. i hope it does not come back with his next motor i build.

99blkcobra · January 23rd, 2009, 09:10 PM

didnt his bottom mess up? did the conpany ever fix it?

Lefty · January 23rd, 2009, 09:13 PM

Originally Posted by SWEET2KSTANG

i just hope the bad luck ends with this motor. i hope it does not come back with his next motor i build.

If it makes you feel better I'm in a string of shitty luck too so don't feel bad man

SWEET2KSTANG · January 23rd, 2009, 09:21 PM

Originally Posted by 99blkcobra

didnt his bottom mess up? did the conpany ever fix it?

his block is trashed, and probe never did shit.

Originally Posted by Lefty

If it makes you feel better I'm in a string of shitty luck too so don't feel bad man

mine just wont stop.

January 23rd, 2009, 12:36 PM	#1
mmvi Enthusiast Join Date: Jan 2007 Posts: 788 iTrader: 0 reviews	4v info appreciated I have an 03 mach 1 engine in my car, I'm looking to do some upgrades to it. First off, I'm looking at cams, throttlebody and possibly a head cooling mod. I heard some things about the 96-98 cobra intake cams being more aggressive than the 03 mach1 cams, and was wondering if it would be worth the change over the compcams 106300's? Obviously, it would be cheaper to grab some old cobra cams, instead of buying new ones, but I'm questioning if I would be better off with the 106300's and some new springs? Current Mods: BBK CAI BBK LT's 322rwhp/326rwtq

January 23rd, 2009, 12:42 PM	#2
wraitherx Moderator '99 SVT Cobra Join Date: Nov 2006 Location: Virginia Beach, VA Posts: 9,567 iTrader: 11 reviews	head cooling mod would be good. TB i wouldnt do until you do FI or NOS as it will not yield a significant power to price ratio. As far as the cams I remembered somewhere that the intake cams are the same and the exhaust cam on the 96-98 cobra are better so its up to you on that part whether to go with the cobra or comps. also while you are at it doing your cams you might as well get some head work done as well. __________________ BUILD 2 IN PROGRESS

January 23rd, 2009, 01:31 PM	#3
Lefty The Doctor '01 Cobra Vert. Join Date: Jun 2007 Location: Mechanicsburg, PA Posts: 27,388 iTrader: 11 reviews	^+1 __________________ 2008 Acura TL Type-S (the daily) 2006 Yamaha R6 50th Anniversary Edition (the other toy)

January 23rd, 2009, 03:19 PM	#6
wraitherx Moderator '99 SVT Cobra Join Date: Nov 2006 Location: Virginia Beach, VA Posts: 9,567 iTrader: 11 reviews	yeah, its either one i dont remember exactly but it would be alot cheaper to go that route rather then buying the comps, especially if you dont plan on doing anything like FI or a big shot of NOS. But get the head work done while you got it apart so you just knock out 2 birds with one stone. youll get good results out of the cam swap but you would get better results with good head work as well __________________ BUILD 2 IN PROGRESS

January 23rd, 2009, 04:05 PM	#7
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	the 96-98 cobra cams are a hair more aggressive, but not worth more than single digit power increases. the 106300 is a mild cam, these motors need to rev and those cams arent made for high rpm's. if you are looking for a cheap set of cams, then look for a used set of cams or maybe a set of supercar cams. stock t/b is fine and is not a choking point till fi, porting the stocker is than sufficient. head cooling mod is something that should be done, but can be a pain in the ass to do. porting the intake manifold is another mod that i would do. __________________ project warhorse under construction being built by MP2 Performance

January 23rd, 2009, 02:38 PM	#4
RandoGT Enthusiast 1998 Mustang GT Need to hit the track Join Date: May 2007 Location: Katy, TX Posts: 856 iTrader: 0 reviews	are your mods really just a CAI and LTs and you're pushing that much power?

January 23rd, 2009, 02:59 PM	#5
mmvi Enthusiast Join Date: Jan 2007 Posts: 788 iTrader: 0 reviews	yeah, that's it. I heard that the intake cams were more agressive, and the exhaust cams were identical. Just thought it might be easier and cheaper to do 98 cobra cams, over the 106300's and springs.

January 23rd, 2009, 04:24 PM	#8
mmvi Enthusiast Join Date: Jan 2007 Posts: 788 iTrader: 0 reviews	gt40 cams? they're near impossible to find, even more difficult than the 98 cobra cams. just as the fr500 kit, I've heard that they need to advance the timing on the intake to work properly?

January 23rd, 2009, 04:31 PM	#9
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	impossible? no, $500 from ford. __________________ project warhorse under construction being built by MP2 Performance

January 23rd, 2009, 04:39 PM	#10
mmvi Enthusiast Join Date: Jan 2007 Posts: 788 iTrader: 0 reviews	well, i was talking like forums and whatnot. do you know anyone that has that setup, or a tech article on it or any info on it? I've read, as far as the 98 cams go, that you need to advance the timing *20 to prevent the loss of torque, but it adds a good 15hp. I've never read into the gt40 cams.

January 23rd, 2009, 05:17 PM	#13
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	__________________ project warhorse under construction being built by MP2 Performance

January 23rd, 2009, 06:39 PM	#14
Lefty The Doctor '01 Cobra Vert. Join Date: Jun 2007 Location: Mechanicsburg, PA Posts: 27,388 iTrader: 11 reviews	I miss doc and his Mach __________________ 2008 Acura TL Type-S (the daily) 2006 Yamaha R6 50th Anniversary Edition (the other toy)

January 23rd, 2009, 08:54 PM	#15
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	i dont miss the car, its being a little b!t(h. worse than a woman, i swear. __________________ project warhorse under construction being built by MP2 Performance

January 23rd, 2009, 09:04 PM	#17
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	i just hope the bad luck ends with this motor. i hope it does not come back with his next motor i build. __________________ project warhorse under construction being built by MP2 Performance

January 23rd, 2009, 09:10 PM	#18
99blkcobra Hardcore Enthusiast 1999 cobra Join Date: Sep 2007 Location: Las Vegas Posts: 1,743 iTrader: 2 reviews	didnt his bottom mess up? did the conpany ever fix it? __________________ 1999 Mustang Cobra (rebuilding, someday...) 1996 civic dd [/SIZE] MM Cobra Club #3

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