cam comparison with my combo

WildWill · February 27th, 2009, 01:56 PM

Hi all,

My combo is in my sig... GT40p heads, GT40 explorer upper/lower, 1.7 roller rockers, and a few other goodies. Nothing has been ported. I'm considering a cam... After some research I think I want the Steeda #19, but my question is whether it would really be worth it???

Would I see significant improvements with the Steeda 19 with 1.7's over the stock GT cam with 1.7's with my GT40p heads??? I know that sometimes if you put a cam in these cars and you don't have the heads to support it then it will actually hurt your performance... Obviously, I don't want to go backwards. So let me know (as far as hp/tq numbers go) what you think the Steeda 19 would add to my combo. I was originally wanting to do an AFM b-21 cam, but I've decided I don't want to go that radical, so the Steeda is the best choice for me I think. If anyone has another suggestion please let me know. Thanks in advance,
Will

Racinjason81 · March 1st, 2009, 06:14 PM

the B-cam and the Steeda 19 have both around the same specs.If the steeda has a wider lobe seperation than get that one since it would give you better driveability.I dont think Iron GT-40s move air above .500in.An E cam is hit or miss with a SN95 and could cause driveability problems.the b or 19 cam with 1.7s would give you around .510 lift.you would be better off with 1.6rockers since their are not many cams with lift under
.500 in of lift.

Sleeper_Stang_89 · March 1st, 2009, 08:34 PM

how about an AFM or Comp Cams XE cam?

WildWill · March 1st, 2009, 09:56 PM

I don't want a letter cam... I was looking at the Steeda #19, the Anderson B-21, and I haven't looked at anything else yet... Comp?

Can someone verify that my GT40P heads wont push air past a .500 lift cam? I want to keep my 1.7 rr's cuz I don't want to have to buy another set. Say I get a cam that has more lift than the air my heads can move, will that hurt my performance rather than help it?

I should also mention that I'm planning on nitrous in the future... Probably 125/150 shot. So what's a good cam for the spray??

86er · March 1st, 2009, 10:26 PM

if you want a cam for spray get as much duration split as you can to help the nitrous work.

example a 224/228 cam wont work as well as a 224/236 split cam

93mustank · March 1st, 2009, 11:26 PM

Originally Posted by 86er

if you want a cam for spray get as much duration split as you can to help the nitrous work.

example a 224/228 cam wont work as well as a 224/236 split cam

That a bold statement to make.....

You custom grind cams.....???

What are the ramp rates and valve timing on each of those cams?????

Bullitt95 · March 3rd, 2009, 08:24 AM

Originally Posted by WildWill

Hi all,

My combo is in my sig... GT40p heads, GT40 explorer upper/lower, 1.7 roller rockers, and a few other goodies. Nothing has been ported. I'm considering a cam... After some research I think I want the Steeda #19, but my question is whether it would really be worth it???

Would I see significant improvements with the Steeda 19 with 1.7's over the stock GT cam with 1.7's with my GT40p heads???

Not really. I estimate you have about 280rwhp/325rwtq now and with the Steeda 19, you'll gain some HP but lose some torque. If you're going to change cams at all, I suggest you go for either the CompCams XE270HR-12 or the Anderson B-31. Both will produce almost identical results with more torque across the board than the stock cam and an estimated 290rwhp/330rwtq. Not a big difference so you'll need to decide if the cost is worth it.
Incidentally, both of the cams I mentioned have a longer exhaust duration which will help with a nitrous set-up, and the 112* LSA should keep valve overlap and idle quality at a manageable level.

March 1st, 2009, 06:14 PM	#2
Racinjason81 Hardcore Enthusiast Join Date: Feb 2007 Location: New jersey Posts: 1,559 iTrader: 0 reviews	the B-cam and the Steeda 19 have both around the same specs.If the steeda has a wider lobe seperation than get that one since it would give you better driveability.I dont think Iron GT-40s move air above .500in.An E cam is hit or miss with a SN95 and could cause driveability problems.the b or 19 cam with 1.7s would give you around .510 lift.you would be better off with 1.6rockers since their are not many cams with lift under .500 in of lift. __________________ Heres a real funny video youtube.com/watch?v=ojB7KkaR03I VTEC stands for Very Torqueless Economy Car Honda stands for Hold On Not Done Accelerating 1991 LX 5.0 H/B(T-70 turbo coming soon)

March 1st, 2009, 09:56 PM	#4
WildWill Hardcore Enthusiast 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 1,112 iTrader: 0 reviews	I don't want a letter cam... I was looking at the Steeda #19, the Anderson B-21, and I haven't looked at anything else yet... Comp? Can someone verify that my GT40P heads wont push air past a .500 lift cam? I want to keep my 1.7 rr's cuz I don't want to have to buy another set. Say I get a cam that has more lift than the air my heads can move, will that hurt my performance rather than help it? I should also mention that I'm planning on nitrous in the future... Probably 125/150 shot. So what's a good cam for the spray?? __________________ GT40p heads, 1.7 crane RR's, GT40 u/l, MAC LTs, MAC o/r h-pipe, Flowmaster 40s, 65mm t/b, '03 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM c/c plates, Eibach Sportlines, B&M shifter, 255lph f/p, RAM p/g clutch, Fidanza alum fly, rebuilt t-5

March 1st, 2009, 10:26 PM	#5
86er I Post Entirely Way Too Much Join Date: Nov 2006 Location: Memphis, TN Posts: 7,626 iTrader: 0 reviews	if you want a cam for spray get as much duration split as you can to help the nitrous work. example a 224/228 cam wont work as well as a 224/236 split cam __________________ Just a truck 5.4 3v: 264hp 317ft lbs rock stock The "search" button, its not just for porn piecing together the next project faster than your first sexual experience

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February 27th, 2009, 01:56 PM	#1
WildWill Hardcore Enthusiast 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 1,112 iTrader: 0 reviews	cam comparison with my combo Hi all, My combo is in my sig... GT40p heads, GT40 explorer upper/lower, 1.7 roller rockers, and a few other goodies. Nothing has been ported. I'm considering a cam... After some research I think I want the Steeda #19, but my question is whether it would really be worth it??? Would I see significant improvements with the Steeda 19 with 1.7's over the stock GT cam with 1.7's with my GT40p heads??? I know that sometimes if you put a cam in these cars and you don't have the heads to support it then it will actually hurt your performance... Obviously, I don't want to go backwards. So let me know (as far as hp/tq numbers go) what you think the Steeda 19 would add to my combo. I was originally wanting to do an AFM b-21 cam, but I've decided I don't want to go that radical, so the Steeda is the best choice for me I think. If anyone has another suggestion please let me know. Thanks in advance, Will __________________ GT40p heads, 1.7 crane RR's, GT40 u/l, MAC LTs, MAC o/r h-pipe, Flowmaster 40s, 65mm t/b, '03 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM c/c plates, Eibach Sportlines, B&M shifter, 255lph f/p, RAM p/g clutch, Fidanza alum fly, rebuilt t-5

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