4v Cams???

mach1gt · April 21st, 2011, 02:43 PM

Was looking into getting some 4V cams, lots of people say not to go with Comp or Crower cams. What other brands should i be looking into i have 04 Mach 1 engine with headers tune intake, i was looking for some cams with a rough lopey idle that make decent power and springs to go with it.

vita · April 21st, 2011, 03:44 PM

We need a bit more info. Do you ever plan on going F/I or staying N/A?

mach1gt · April 21st, 2011, 04:50 PM

Originally Posted by vita

We need a bit more info. Do you ever plan on going F/I or staying N/A?

no f/i just a daily driver, motors a 4.6 Mach 1 4v (5 speed) Longtubes, u/d pulleys, CAI, tuner

Mach Boy · April 21st, 2011, 07:20 PM

I've not heard of anything bad with Comps or Crowers. A custom grind cam will always give more power than an off the shelf. The problem is most cams will extend your RPM range and our intakes are the Achilles heel of our motors and don't allow for much power to be gained once you get close to 7k.

Also, UDPs on these motors have been linked to oil pump failures on high revving motors. Just some food for thought.

mach1gt · April 21st, 2011, 08:29 PM

Originally Posted by Mach Boy

I've not heard of anything bad with Comps or Crowers. A custom grind cam will always give more power than an off the shelf. The problem is most cams will extend your RPM range and our intakes are the Achilles heel of our motors and don't allow for much power to be gained once you get close to 7k.

Also, UDPs on these motors have been linked to oil pump failures on high revving motors. Just some food for thought.

what kind of cams an springs do you have, what if i have the intake ported and tell me more abot udp issues???

DickH · April 21st, 2011, 09:06 PM

You need more than a ported intake, you need to have the runners shortened. And the problem with the under drive pulleys is they transmit more vibrations, and our oil pump gears dont take well to vibrations. If you spend time in the upper RPMs with under drive pulleys then you run the risk of breaking the gears. You can replace the gears with stronger ones, but a good way to avoid problems is to just keep the crank pulley stock.

mach1gt · April 21st, 2011, 09:41 PM

Originally Posted by DickH

You need more than a ported intake, you need to have the runners shortened. And the problem with the under drive pulleys is they transmit more vibrations, and our oil pump gears dont take well to vibrations. If you spend time in the upper RPMs with under drive pulleys then you run the risk of breaking the gears. You can replace the gears with stronger ones, but a good way to avoid problems is to just keep the crank pulley stock.

were can i find some stock pulleys id even trade them my Steeda u/d ones

DickH · April 21st, 2011, 10:27 PM

make a craigslist add?

Mach Boy · April 21st, 2011, 10:53 PM

I have the FR500 springs/valves/cams.

mach1gt · April 22nd, 2011, 01:44 AM

Originally Posted by Mach Boy

I have the FR500 springs/valves/cams.

thats a good value package but those cams dont sound aggressive enough but what would you recommend for cam companies.

majorownage · April 22nd, 2011, 03:15 AM

sn95 cobra cams would be cheapest...

off the shelf cams will cost 1500 with springs, etc, and will net you ~25 hp

if you want lope, get a big block

if you are going to do UDP's, do it right

ATI underdriven ballancer and larger diameter water pump.

Don't get some piggyback bs.

mach1gt · April 22nd, 2011, 03:56 AM

Originally Posted by majorownage

sn95 cobra cams would be cheapest...

off the shelf cams will cost 1500 with springs, etc, and will net you ~25 hp

if you want lope, get a big block

if you are going to do UDP's, do it right

ATI underdriven balancer and larger diameter water pump.

Don't get some piggyback bs.

Steedas are not the piggy back style, balancer is built into the crank pulley but thats beside the point i already have them im looking to put the stock ones back on, what do you mean sn95 cobra cams??? and this isn't about hp i want a nice lopey cam at idle and a BBF is not the answer

majorownage · April 22nd, 2011, 03:21 PM

sn95 cobra cams were alot "bigger" than other cobras (except cobra R I believe)

All you need are the intake cams. Degree them, and you will be able to make some very decent power for ~$100

Degreeing the cams will make sure the cams are set up at the ideal centerline.

mach1gt · April 22nd, 2011, 05:17 PM

Im leaning towards Comps XE-R series #106400 is this to much cam for stock 3.27:1 gears or can i make do until i change it??

BMR Tech · April 22nd, 2011, 05:19 PM

106400 will be horrible, even if you degree them.

106100 will be your best bet.

mach1gt · April 22nd, 2011, 06:16 PM

Originally Posted by BMR Tech

106400 will be horrible, even if you degree them.

106100 will be your best bet.

why will it be so bad i also liked the #106460 have old nitous kit was gonna hook up soon. is it just because the gears it will be bad or something else

na svt · April 22nd, 2011, 07:37 PM

106400s are way too much cam for even a 4.56 geard combo. You want no morer than 220 deg@.050 intake duration and you also want the intake lobe center to be low, around 106. None of the off the shelf grinds will work great with stock gears (LSAs are too wide and/or the durations are too long).

The Comp 106100s are the most aggressive you wanna go.

Get some damn gear in that car!

na svt · April 22nd, 2011, 07:39 PM

Originally Posted by mach1gt

why will it be so bad i also liked the #106460 have old nitous kit was gonna hook up soon. is it just because the gears it will be bad or something else

No mid range power and combined with your stock rearend gears the car would be a pig to drive.

Any cams with over 230 degrees duration are too much for a low RPM, stock intake'd 4v.

mach1gt · April 23rd, 2011, 04:13 PM

ill change the gearing an get my intake ported but ill get the milder #106160 do Mach motors use 10mm or 12mm cam bolts?

92Notch · April 24th, 2011, 11:17 PM

I was looking at cams, too. About How much would custom cams cost me?

April 21st, 2011, 07:20 PM	#4
Mach Boy MM's Orangest 2004 Mach 1 Mustang Join Date: Sep 2007 Location: Indy Posts: 2,846 Blog Entries: 1 iTrader: 1 reviews	I've not heard of anything bad with Comps or Crowers. A custom grind cam will always give more power than an off the shelf. The problem is most cams will extend your RPM range and our intakes are the Achilles heel of our motors and don't allow for much power to be gained once you get close to 7k. Also, UDPs on these motors have been linked to oil pump failures on high revving motors. Just some food for thought. __________________ Looking for 03/04 4V ABS Wiring Harness Connector/Incomplete Wiring Harness (with ABS connector)

April 21st, 2011, 09:06 PM	#6
DickH MM Fanatic 2003 gt 5.4 32v on the way Join Date: May 2007 Location: Omaha Posts: 4,188 iTrader: 2 reviews	You need more than a ported intake, you need to have the runners shortened. And the problem with the under drive pulleys is they transmit more vibrations, and our oil pump gears dont take well to vibrations. If you spend time in the upper RPMs with under drive pulleys then you run the risk of breaking the gears. You can replace the gears with stronger ones, but a good way to avoid problems is to just keep the crank pulley stock. __________________ 2003 Mustang gt - usual mods - slowly working on 5.4 swap 2004 srt4 - Stock DD/winter beater Click here for your tuning needs Before asking a gearing related question click THIS link and enjoy all your saved time.

April 21st, 2011, 10:27 PM	#8
DickH MM Fanatic 2003 gt 5.4 32v on the way Join Date: May 2007 Location: Omaha Posts: 4,188 iTrader: 2 reviews	make a craigslist add? __________________ 2003 Mustang gt - usual mods - slowly working on 5.4 swap 2004 srt4 - Stock DD/winter beater Click here for your tuning needs Before asking a gearing related question click THIS link and enjoy all your saved time.

April 21st, 2011, 10:53 PM	#9
Mach Boy MM's Orangest 2004 Mach 1 Mustang Join Date: Sep 2007 Location: Indy Posts: 2,846 Blog Entries: 1 iTrader: 1 reviews	I have the FR500 springs/valves/cams. __________________ Looking for 03/04 4V ABS Wiring Harness Connector/Incomplete Wiring Harness (with ABS connector)

April 22nd, 2011, 03:15 AM	#11
majorownage Regular Join Date: Jun 2010 Posts: 424 iTrader: 0 reviews	sn95 cobra cams would be cheapest... off the shelf cams will cost 1500 with springs, etc, and will net you ~25 hp if you want lope, get a big block if you are going to do UDP's, do it right ATI underdriven ballancer and larger diameter water pump. Don't get some piggyback bs. __________________ 1998 Gt full pi swap -Dead and gone 1998 Mark VIII 4.30s, 125 shot, 93 d/s-Daily Driver 1998 BAB Cobra-Project

April 21st, 2011, 02:43 PM	#1
mach1gt Newbie Join Date: Apr 2011 Posts: 24 iTrader: 0 reviews	4v Cams??? Was looking into getting some 4V cams, lots of people say not to go with Comp or Crower cams. What other brands should i be looking into i have 04 Mach 1 engine with headers tune intake, i was looking for some cams with a rough lopey idle that make decent power and springs to go with it.

April 22nd, 2011, 03:21 PM	#13
majorownage Regular Join Date: Jun 2010 Posts: 424 iTrader: 0 reviews	sn95 cobra cams were alot "bigger" than other cobras (except cobra R I believe) All you need are the intake cams. Degree them, and you will be able to make some very decent power for ~$100 Degreeing the cams will make sure the cams are set up at the ideal centerline. __________________ 1998 Gt full pi swap -Dead and gone 1998 Mark VIII 4.30s, 125 shot, 93 d/s-Daily Driver 1998 BAB Cobra-Project

April 22nd, 2011, 05:17 PM	#14
mach1gt Newbie Join Date: Apr 2011 Posts: 24 iTrader: 0 reviews	Im leaning towards Comps XE-R series #106400 is this to much cam for stock 3.27:1 gears or can i make do until i change it??

April 22nd, 2011, 05:19 PM	#15
BMR Tech Authorized Vendor Join Date: Feb 2009 Posts: 748 iTrader: 0 reviews	106400 will be horrible, even if you degree them. 106100 will be your best bet. __________________ Kelly Aiken "The Ford Guy" BMR Suspension Inc kelly@bmrsuspension.com 813.986.9302 CLICK IF YOU LIKE BMR SUSPENSION

April 22nd, 2011, 07:37 PM	#17
na svt 4v Know-it-all Join Date: Jan 2011 Posts: 488 iTrader: 0 reviews	106400s are way too much cam for even a 4.56 geard combo. You want no morer than 220 deg@.050 intake duration and you also want the intake lobe center to be low, around 106. None of the off the shelf grinds will work great with stock gears (LSAs are too wide and/or the durations are too long). The Comp 106100s are the most aggressive you wanna go. Get some damn gear in that car!

April 23rd, 2011, 04:13 PM	#19
mach1gt Newbie Join Date: Apr 2011 Posts: 24 iTrader: 0 reviews	ill change the gearing an get my intake ported but ill get the milder #106160 do Mach motors use 10mm or 12mm cam bolts? Last edited by mach1gt; April 23rd, 2011 at 04:39 PM.

April 24th, 2011, 11:17 PM	#20
92Notch Enthusiast 1996 Cobra Not fast enough. Join Date: Feb 2010 Location: San Jose..408! Posts: 787 iTrader: 0 reviews	I was looking at cams, too. About How much would custom cams cost me? __________________ Mods: Full 01 Cobra drivetrain (Teksid block ) T56, 3.73s, Pro 5.0, Aluminum driveshaft, JLT CAI, BBK O/R X, SLP LM1s, Full welded in sub frame connectors

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