OTS cam for low end torque with TFS170's - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 28 Old 04-07-2017, 01:13 PM Thread Starter
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OTS cam for low end torque with TFS170's

I know a custom cam is the way to go here, but for the sake of this discussion, lets just talk about off-the-shelf cams.

My combo is going to be centered around a pair of 58cc TFS 170 heads, Cobra intake with Tmoss ported lower, 1.6 Comp Gold RR's, 30# injectors and matching MAF. I have a 65mm TB now, but more than likely will track down a 70/75mm. Exhaust is Shorty headers, catted mid-pipe and flows. T-5 trans (which I need to upgrade)

Goal is just a fun weekend cruiser. Never will see a dragstrip, although I would like to return to AutoX someday (not anytime soon though).

I have a set of 3.73's in the car and am contemplating a step down to 3.27's. However I am going to wait until engine combo is done and reevaluate. I would like to gear the car a little bit better for highway driving.

Now the reason for the thread. I have a TFS1 camshaft on hand. I was all set to use it until I started researching and finding a lot of people saying it doesn't come on strong until past 3000RPM and makes power up top. In my case, just cruising around the street, and even when I drop to 3.27's, this may not be ideal.

So, any other cam recommendations instead of the TFS1. If not, do I run the TFS1 cam regardless with my combo (because I have it?) and will I be happy with the setup in a weekend cruiser? Or should I just pony up and go custom?


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post #2 of 28 Old 04-07-2017, 03:41 PM
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Just run the TFS1 cam... I used to have the same combo (except the heads were ported from TEA back when they were stage 1, stage 2, stage 2+, etc.) and it's a solid combo. I'd keep the 3.73's as well, it's what I have in the rear of the Cobra and it's perfect for what you're doing.


1993 Cobra #235. Stage 2+ TFS TW heads from TEA, Stage 1 TFS cam, etc.....

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post #3 of 28 Old 04-07-2017, 04:54 PM
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post #4 of 28 Old 04-07-2017, 05:02 PM
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Both of these are good recommendations. I ran TFS stag 1 with 170 heads and 1.72 rr. Made 290 hp at the wheel.

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Originally Posted by TEALCOBRA View Post
Just run the TFS1 cam... I used to have the same combo (except the heads were ported from TEA back when they were stage 1, stage 2, stage 2+, etc.) and it's a solid combo. I'd keep the 3.73's as well, it's what I have in the rear of the Cobra and it's perfect for what you're doing.
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post #5 of 28 Old 04-07-2017, 05:11 PM
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post #6 of 28 Old 04-08-2017, 01:50 AM
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Maybe also try an adjustable timing set and advance it a few degrees.

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post #7 of 28 Old 04-08-2017, 09:28 AM Thread Starter
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Both of these are good recommendations. I ran TFS stag 1 with 170 heads and 1.72 rr. Made 290 hp at the wheel.

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Originally Posted by TEALCOBRA View Post
Just run the TFS1 cam... I used to have the same combo (except the heads were ported from TEA back when they were stage 1, stage 2, stage 2+, etc.) and it's a solid combo. I'd keep the 3.73's as well, it's what I have in the rear of the Cobra and it's perfect for what you're doing.
How was idle quality and cruise? Did you get a tune afterwards?

I've seen a lot of complaints about bucking and stalling with the tfs1. Of course, that could have been something else causing the issue.

Like I said, I have this cam already so easiest thing for me is to just run it, but I don't want to dig back into the motor again.
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post #8 of 28 Old 04-08-2017, 09:36 AM
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If you want to run the TF cam, you'll need 3.73's to get into the power band. Otherwise it will be a dog down low, and you'll hate it. A shorter duration cam will let you run a taller rear gear. A cam with a wider lobe sep like 114 will keep the driveability good.

It sucks to have a car that bucks at 25mph in 3rd.. Anyone that rides in it just thinks it's a POS.. Driveability is where it's at because you're not hotrodding 99% of the time..
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post #9 of 28 Old 04-08-2017, 11:26 AM
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How was idle quality and cruise? Did you get a tune afterwards?

I've seen a lot of complaints about bucking and stalling with the tfs1. Of course, that could have been something else causing the issue.

Like I said, I have this cam already so easiest thing for me is to just run it, but I don't want to dig back into the motor again.
Never had any bucking or stalling that I can remember.

Car retained the stock 24# injectors, MAF, and a 70mm throttle body... Cobra intake had some mild port work to it, nothing crazy.

I ran it that way for two years before I ever took it in for a tune after I changed a few things and I honestly don't remember any issues.... Thought it was a great combo. The 3.73 gears really kept it in the power band but even just cruising I don't remember anything out of the ordinary. You already have the camshaft and the 3.73 gears in the car, so it sounds like a good combo, but if you're than cncerned with it you can always go a different route especially if you're going to be switching gears down the road.


1993 Cobra #235. Stage 2+ TFS TW heads from TEA, Stage 1 TFS cam, etc.....

Fordstrokers built 427w on the engine stand, soon to be in the car !!!!
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post #10 of 28 Old 04-08-2017, 12:03 PM
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Crane 2031 cobra cam 214/220..Its a good street cam for your setup.


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post #11 of 28 Old 04-08-2017, 01:11 PM
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Curious what you have for exhaust.
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post #12 of 28 Old 04-08-2017, 01:14 PM
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-> Lunati SBF Voodoo Hydraulic Roller Cam 272/280 <-



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post #13 of 28 Old 04-08-2017, 01:36 PM
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Quote:
Originally Posted by Mustang5L5 View Post
Quote:
Originally Posted by foxbravo View Post
Both of these are good recommendations. I ran TFS stag 1 with 170 heads and 1.72 rr. Made 290 hp at the wheel.

Quote:
Originally Posted by TEALCOBRA View Post
Just run the TFS1 cam... I used to have the same combo (except the heads were ported from TEA back when they were stage 1, stage 2, stage 2+, etc.) and it's a solid combo. I'd keep the 3.73's as well, it's what I have in the rear of the Cobra and it's perfect for what you're doing.
How was idle quality and cruise? Did you get a tune afterwards?

I've seen a lot of complaints about bucking and stalling with the tfs1. Of course, that could have been something else causing the issue.

Like I said, I have this cam already so easiest thing for me is to just run it, but I don't want to dig back into the motor again.
No bucking no tune needed, car is fast and low end is awesome. I have 3.73 rear gears.

My dyno runs and other stuff. Specs in video description.


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post #14 of 28 Old 04-08-2017, 02:25 PM Thread Starter
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Awesome. Ok, looks like I'll just run the cam I have, and keep the 3.73s in for now. I just put in some taller rear tires, so effective ratio is now ~3.68 or so. Might be enoiggh to keep me happy in terms of gearing.
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post #15 of 28 Old 04-08-2017, 03:43 PM
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That is a decent looking cam on paper. Would definitely be a great cam for the Op. (Not that you needed any assurance, LoL)

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post #16 of 28 Old 04-11-2017, 03:52 PM
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Curious what you have for exhaust.
Thanks,
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1993 Cobra #235. Stage 2+ TFS TW heads from TEA, Stage 1 TFS cam, etc.....

Fordstrokers built 427w on the engine stand, soon to be in the car !!!!
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post #17 of 28 Old 04-12-2017, 08:26 PM Thread Starter
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How was idle quality and cruise? Did you get a tune afterwards?

I've seen a lot of complaints about bucking and stalling with the tfs1. Of course, that could have been something else causing the issue.

Like I said, I have this cam already so easiest thing for me is to just run it, but I don't want to dig back into the motor again.
Never had any bucking or stalling that I can remember.

Car retained the stock 24# injectors, MAF, and a 70mm throttle body... Cobra intake had some mild port work to it, nothing crazy.

I ran it that way for two years before I ever took it in for a tune after I changed a few things and I honestly don't remember any issues.... Thought it was a great combo. The 3.73 gears really kept it in the power band but even just cruising I don't remember anything out of the ordinary. You already have the camshaft and the 3.73 gears in the car, so it sounds like a good combo, but if you're than cncerned with it you can always go a different route especially if you're going to be switching gears down the road.


Thanks for the info. One final question unrelated to the cam question. We're the 24# injectors adequate? Are they still on the car now?

I need to get injectors and MAF and trying to decide 24# or 30#.

I think i have decided to give the TFS1 a shot. Down the road, if I do a 331/347 bottom end, I'll go all out. For now just looking for a simple combo to have fun with
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post #18 of 28 Old 04-12-2017, 08:31 PM
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Advertised Duration: Intake: 262* Exhaust: 270*
Duration @ .050": Intake: 211* Exhaust: 219*
Gross Valve Lift w/1.6: Intake: .541" Exhaust:.549"
LSA: 112* - ICL: 108*
RPM Range: 1600-5600

Does this cam have any kind of lope? Or does it sound pretty much like the stock cam?
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post #19 of 28 Old 04-12-2017, 09:11 PM
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I noticed the links above says the 272/280 but the link goes to the 262/270, I am thinking it was just a typo by Ed and he intended the link to say 262/270?
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post #20 of 28 Old 04-14-2017, 04:59 PM
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That intake is holding you back. Even a TFS street would pick up noticeable power with no loss of torque. FWIW, I'm not a huge fan of the XE cams - I feel they're a bit hard on the valvetrain; which isn't what you want with TFS heads. I do like me some Lunati cams, though (I ran a Lunati and now I run an FTI).

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post #21 of 28 Old 04-16-2017, 03:54 AM
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Thanks for the info. One final question unrelated to the cam question. We're the 24# injectors adequate? Are they still on the car now?

I need to get injectors and MAF and trying to decide 24# or 30#.

I think i have decided to give the TFS1 a shot. Down the road, if I do a 331/347 bottom end, I'll go all out. For now just looking for a simple combo to have fun with
Yeah, it was using the 24# injectors the entire time. They're not on the car now, but only because the stock motor is out of the car while I'm finishing things getting the 427w into the car.

1993 Cobra #235. Stage 2+ TFS TW heads from TEA, Stage 1 TFS cam, etc.....

Fordstrokers built 427w on the engine stand, soon to be in the car !!!!
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post #22 of 28 Old 04-16-2017, 08:08 PM
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post #23 of 28 Old 04-19-2017, 11:55 AM Thread Starter
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That intake is holding you back. Even a TFS street would pick up noticeable power with no loss of torque. FWIW, I'm not a huge fan of the XE cams - I feel they're a bit hard on the valvetrain; which isn't what you want with TFS heads. I do like me some Lunati cams, though (I ran a Lunati and now I run an FTI).
I know that, but I still want to run it. Had the lower tmoss ported, and really my goal is to just put together a fun little combo to run for a while until the day care bills are over.

At that point, i'll be able to invest in a bit of a higher budget build with brand new bottom end, custom ground cam, and forced induction. Until then, gonna stick with the Cobra intake and the TFS camshaft.

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post #24 of 28 Old 04-19-2017, 11:44 PM
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You should always degree a camshaft when you install it and.........while you're do'in it....advance it about 4-6 degrees. It will move the power range DOWN into a more "street friendly" range. Will work better if you decide on the 3.26 gear.
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post #25 of 28 Old 04-20-2017, 10:31 PM
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Where's the stock HO cam?

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post #26 of 28 Old 04-21-2017, 10:47 AM
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I have close to the same combo as you. I run the comp cams magnum 270hr.CCA-35-310-8. Not the xe line. Its really tame almost feels like stock cam, great driveability.

90gt, tfs 170s, comp 270hr, cobra int., 24lb inj., 75mm maf, 65mm tb, 1 5/8 shortys, tremec 3550, 4.10s, nx kit, 26x10.5 et streets so far...
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post #27 of 28 Old 04-21-2017, 10:54 AM Thread Starter
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Where's the stock HO cam?

Still in the engine currently driving the car around.


Your advocating leaving the HO cam in with TFS170's over a TFS1 cam already sitting on my shelf?

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post #28 of 28 Old 04-22-2017, 07:47 AM
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Still in the engine currently driving the car around.


Your advocating leaving the HO cam in with TFS170's over a TFS1 cam already sitting on my shelf?
If you're just going to run it as a cruiser, the stock cam is decent, put some 1.7 rockers, or even the 1.8s that scorpion sells, and drive it. Keeps you from having to open up the timing cover too.

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