I know that my new cam at 204-214 and .448-.472 lift 112 LS is not going to change my low end power a lot if any.

But at what point with cams does the low end give way to more upper end power.And at what point do you really need low power to come on strong on the street.I would think even at 2000 rpm your fine on the street.
I need some more info to look like I know what I'm talking about with these guys.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

I'd cam your motor to as much as your motor can handle.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

To me, the limit on cam (People will probably dissagree with me LOL)is idle quality period. If the car can idle clean at or around 900 for a manual and 700 for an auto in my experience it will be live-able on the street.

Now that leaves a huge amount of room as to what duration and lifts you can run, and is a bit subjective.

You honestly can't go by duration alone when picking a cam. You also need to look at the lobe seperation angle to know how the cam will act through the RPM range. The LSA determines basicly what RPM the power band will be in.

The smaller the engine the smaller the cam will need to be to remain streetable. Don't let all the 302 guys say that X cam is too big. You will be able to get away with a bigger cam running the 351 then the 302 guys will.
You also need to be very carefull you match the cam to the engine. Comp ratio, Heads, intake, carb, exhaust ect.
I've always had alot of luck running cams that other people...the people I beat on the weekends said where to small!
I like to use alot of lift .550ish for a street cam. The higher lift can sometimes make up some lost torque at the expense of increased wear on the valvetrain.

quote:

---

Originally posted by SundanceKid:
I strongly disagree.

---

To each his own. My car idles clean and steady in park at 1000rpm. In drive, at a stoplight, it idles from 700-900rpm. (That I don't mind since I scare half the people idling next to me. ) My cam is very similar to the 294S comp cam. Only difference is lobe sep. and slightly higher lift. Personally, I don't think it's a girly cam and utlizes the motor's full potential.

I'm not saying, I fully know what i'm talking about either. It's just that I used to say I wanted power to start at 1500rpm and go to 5000rpm for a street car. I took a chance with a motor that has power kicking in at 3000-3500 and goes to 6000+ as a STREET CAR and i'm VERY satisfied with the powerband on the STREET. What i'm trying to say is that power doesn't necessarily need to be at a REALLY low rpm to be a GOOD STREET car.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

quote:

---

Originally posted by Dubz:
if you idle at 2500 and have to rev to 3000 before you get movement of the tranny it's still gonna move, just you will be sitting at high rpms all the time

[This message has been edited by Dubz (edited 03-06-2003).]

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Well, from what I've read here on another post, is if you've got a GOOD converter, you can get the car moving at 1500rpm or less.

Saving for a better higer stalling one now.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

quote:

---

Originally posted by Dubz:
rev to 3000 before you get movement of the tranny it's still gonna move, just you will be sitting at high rpms all the time

---

Dubz, Do you realize what you just said? I hope the fingers where going faster then the brain.
Idle is MORE important with an auto. You can slip a clutch all day long. It gets to be a pain after while living with a 1000+ RPM idle. Especialy in rush hour traffic in 100+ degree temps. If not now it soon does.

My definition of streetable isn't you can barely drive the car on the street between overheating and gas stations.

A (actual) stall higher then 2500 isn't in my opinion streetable. Then again you probably don't realize that a torque converter is torque dependant do you?

Here are a few guidelines for a street strip engine from memory:
You want a LCA of 112-114 for a 302. I'd say a LCA of 108-110 for a 351.
I would go with a .050 duration of 215-225 a valve overlap of 50-75 degrees
And once you choose your cam from those ballpark guidelines I would select the cam with the most lift in that range. Higher comp ratios will make up some bottom end torque, and this is another important factor in choosing a cam.

If I wanted to, I could have my car idle at 2000 RPM and use a "real" cam course don't forget the 5000 RPM stall converter to go with it...I could drive it on the street, but it wouldn't be any fun!

------------------
SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

An engine that spins 3500-4500+ driving normaly down the street is going to ware out faster, create more heat, and burn alot more gas. It just makes more economical sence not to drive a high RPM engine on the street.

Don't listen to them guys. Do what you want.

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

quote:

---

Originally posted by V8 Thumper:
Scoop, I put a 270S in my motor, and I'm kicking myself for not going with the 282S. Now, the 282 may be a bit much for a stock converter, but you've got 351 cubic inches to feed , so 270 would be perfect

---

That's what i'm talking about . That's what I was trying to get across. Don't cut yourself short on cam choice. It's all about preference. I guess.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

quote:

---

Originally posted by SundanceKid:

---

What I disagreed with was the statement get the biggest cam the engine will handle, and the sort of mentality that goes along with such a statement. Not that the cam you chose worked for you.

You realize his motor is fairly stock right? So something like a 270H or S would be the "biggest" cam possible (not exceeding .500 lift) and still be streetable. Read the specs on that cam. It's also highly suggested from other more experienced members on this board.

Here are a few guidelines for a street strip engine from memory:
You want a LCA of 112-114 for a 302.

106lsa here and i'm fine.

We can go back and forth disagreeing all night and day long. I'll stop here.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

quote:

---

Originally posted by D&S Induction Systems:
It's all in personal limits.

Don't listen to them guys. Do what you want.

[This message has been edited by D&S Induction Systems (edited 03-06-2003).]

---

This is the most intelligent reply on this thread. It's all personal preference!!

How my car is setup is probably not what others would want. But the idea I had in mind was to spank other street cars, not just beat granny or gramps to the grocery store.

You always hear, "don't bring a knife to a gunfight" right?

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

------------------

Dan

quote:

---

Originally posted by rockafellz:
[b]other more experienced members on this board. [/B]

---

You know what about me? Please tell me how you know so much about me?

I appologize if you took what I wrote personal. I appologize that my opinion and recomedation as a friend, turned into a "I know more then you" flame war. If you notice I try to stay out of them in other threads.

If you read my above post, I said it is very subjective Webster(adj. of or resulting from feelings of the person thinking; not objective; personal) other wise make your own personal choice! I said they where guidelines not rules set in stone! Some people take things so personal.

Like D&S Induction systems said "Do what you want"

quote:

---

Originally posted by SundanceKid:

---

First off, I never said I knew **** about you. And I never claimed I knew anything about you. What you quoted above was me merely saying that other members quote that same 270H or 270S cam all the time here for STREET CARS.

I appologize if you took what I wrote personal. I appologize that my opinion and recomedation as a friend, turned into a "I know more then you" flame war. If you notice I try to stay out of them in other threads.

No apologies. And I never said I KNEW more than you. NEVER. Nor IMPLIED. I was trying to state to use the a cam that will use the motors FULL potential. And that's what I meant when I said to get the biggest cam your motor will take. His is STOCK, so 270H. What's the big deal? Don't need to get technical. It was a simple question of what the powerband was of street motors WERE. I replied with, low end rpm bands don't matter as much as people think they do on the street. In other words...

If you read my above post, I said it is very [b]subjective Webster(adj. of or resulting from feelings of the person thinking; not objective; personal) other wise make your own personal choice! I said they where guidelines not rules set in stone! Some people take things so personal.
[/B]

Well... I did , I got carried away, I admit. Hopefully there isn't any hard feelings.

Like D&S Induction systems said "Do what you want"

Yep.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

quote:

---

Originally posted by SundanceKid:
You know what about me? Please tell me how you know so much about me?

---

Oh, and I just re-read your post. When I said that, it was not supposed to be an insult towards you. I said that in reflection to myself. "Other more experienced members than me". I'm not an experienced mechanic, so I just pass on info that i've read here before. Now I know why you sounded a little pissed. It wasn't implied to insult you. Sorry.

Erik

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

[This message has been edited by rockafellz (edited 03-07-2003).]

COMP NOSTAGIA:
Specifications:
* Advertised duration: 266 intake/273 exhaust
* Duration at .050 in.: 219 intake/226 exhaust
* Gross valve lift: .480 in. intake/.475 in. exhaust
* Lobe separation: 112 degrees
EDELBROCK:
Specifications:
* Advertised duration: 290/300 degrees
* Duration at .050 in.: 224 intake/234 exhaust degrees
* Gross valve lift: .496/.520
* Lobe separation: 112 degrees
* RPM range: 1,500 to 6,500

LUNATI:
Specifications:
* Advertised duration: 284 intake/284 exhaust
* Duration at .050 in. cam lift: 218 intake/218 exhaust
* Gross valve lift: .488 in. intake/.488 in. exhaust
* Lobe separation: 110 degrees
* RPM range: 1,500 to 5,000
* Good idle

FORD:
Advertised duration: 290 intake/300 exhaust
Duration at .050 in. cam lift: 214 intake/224 exhaust
Gross valve lift: .472 in. intake/.496 in. exhaust
Lobe separation: 107 degrees intake/117 degress exhaust
Peak horsepower rpm: 5,000
Peak torque rpm: 3,500
RPM range: 3,000-6,500

Any of these would work with your application IMHO.
I ran a cam like the "Comp Nostalgia" years ago and it was a fine daily driver street cam.

Mpcoluv's above listed cams all would be good candidates for street/strip cams. With a ton of diversity between the above mentioned cams and the powerbands they will have. They are all close if not within the guidelines I use to pick cams for myself.

The Edelbrock cam is the only one that I would say is iffy. The duration at .050 is a bit high, and you can see that they compensated for it with the LSA set at 112. Which should work out ok.

quote:

---

Originally posted by SundanceKid:

Hey scoop, are we even helping your arguement within ours.. ? What info are you looking for?

---

Yes you guys are,
I was looking for opninions about street car cams.Whats too big,whats a better cam one that makes low end power or higher rpm power,or a combo of both.Just some info so when people say no you don't want to that because it's to much for the street.I can have something to come back with,and yes it'll work and heres why.

P.S.Glad you and Erik worked it out,your both good guys and have a lot to offer.

------------------
SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

quote:

---

Originally posted by bluestreek:
Hey Scoop,
That's the same cam that Edelbrock designed for the stock 302 back in the late 70's. They called it the "Performer". It is supposed to give increased performance with a mild 4 brrl intake and still have clean idle and decent gas mileage. That was my first cam change in my very first SBF! I put it into my totally stock 4 brrl 289 Falcon w/C4 auto and it cranked and idle great and pulled hard to 5500 rpms. I took it to the track one day to try it out and wound it up to 6000 rpms and manually shifted it into 2nd and it broke the 2nd gear band in the tranny on my first run! I also remember getting my truck stuck in a DEEP mudhole once and had to call my wife to bring the Falcon to pull me out. We hooked it up to a chain and the 289 Falcon pulled the truck out by barely touching the gas. It was a sweet street cam.

Dan

[This message has been edited by bluestreek (edited 03-06-2003).]

---

Dan now I can't wait to my car running again.
I think I'll skip the part about pulling trucks out of mudholes.

------------------
SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.