Cam

66_stang · Nov 1, 2004

Well, my next plunge is probaly gonna be a cam. Im basicaly looking for somthen that will give the lope, give me some power, shake the car a little (god i love that) but is still streetable. Dont really wanna spend more than 250 bucks. I have stock 289 heads,edelbrock intake and 600cfm carb so i guess ya'll can work from there. Thanks in advance.

HistoricMustang · Nov 1, 2004

With the small block Ford's you have got to go for "duration" rather than "lift". Keep the valves open as long as possible because the lift is somewhat limited.

Others?

HistoricMustang
www.historicmustang.com

Pbum5 · Nov 1, 2004

I have a comp cams 292 that I will let go for a low price. it was used for a bit (maybe 1,500 miles and properly broken in)
292 duration and .534 lift. It will make your 289 and car shake at idle on up.

D.Hearne · Nov 1, 2004

Before buying any cam, you really need to find out if your compression ratio can support what you pick. What gives it the "lope" is the duration and overlap. These two factors also depend on relatively high comp ratios to work properly as they bleed off some of the compression at low rpms. Too much bleed off combined with too low a comp ratio will create a dog, it may sound good but be a poor performer ( all bark and no bite)

Stang_1973 · Nov 2, 2004

D. Hearne is right. Aggressive cams need more compression, while mild cams like RV cams dont need much at all. Oh yeah, prepare to sacrifice vacuum too. But any way, I think anything profile larger than say a 280 Adv. duration ( around 220 @ .500) and .500 lift will give you the charactersitics you like. Oh and when selecting a cam, duration at .500 is what is going to be most helpful.

Try reading up on differnt cams and setups. Comp Cams has some really good information in their site.

D.Hearne · Nov 2, 2004

You can also pick a cam that's got a wide lobe separation angle to help build bottom end and minimize the bleed off at lower rpms. Many of the late roller 5.0 performance cams are ground this way to work with the stock 9.0 to 1 comp ratios. But to use one of these you'll need to spend a lot more than you'd spend on a custom flat tappet grind.

nds03 · Nov 2, 2004

i think you can call the guys at crane and tell them what you got and they will hook you up with the right cam

'69Stang · Nov 3, 2004

Before we can recommend something you have to tell us a bit more about your combination. Automatic trans or manual? If automatic what stall speed? Power steering and brakes? Compression ratio? Rear axle ratio? Is that a Performer or Performer RPM intake manifold, or is it an old Torquer? Anything been done to the heads - porting, screw-in studs, roller rockers?

Give us some info and we will be able to recommend a cam.

'69Stang · Nov 5, 2004

mustangbrad · Nov 5, 2004

I would recomend calling technical help at Crane or Comp Cams. Either one of these companies could point you in the right direction, and both have great costomer service. Be sure to have all the information about your car in front of you before you call, unless you have them memorized. The more details you can give them, the more accurate they can be on cam recomendations.

HistoricMustang · Nov 5, 2004

I say call CHP to get info even if you do not use their cam. The mass producers sometime lack info on the tech lines when you start digging into the details.

I believe Elgin does the Coast High Performance cams............at least they did when I purchased mine.

HistoricMustang
www.historicmustang.com

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