Z303 Cam and Z heads

[95mustanggt]

Here's the long block that I was looking at using. My stang is a 3rd vehicle, so it's really a sunday driver. But I don't want to be stalling at idle because the cam is too rough. My other option is the E303 cam.

[Dark_5.0]

I ran the E303 cam for a while and it made good power but idled like crap for the most part.

E303 Dyno

The custom cam I have now has .566 lift and idles great. I havent dyno'd with it yet but it does make more power cause I trap 2 mph more than with the E cam.

If it were me I would go with the big Z cam or a custom cam the E cam is a pain in the @ss with all the idle and vacuum issues it has.

Just make sure you get an intake manifold that matches the powerband of the cam you choose and you will be all good.

[95mustanggt]

Originally Posted by Dark_5.0

I ran the E303 cam for a while and it made good power but idled like crap for the most part.

E303 Dyno

The custom cam I have now has .566 lift and idles great. I havent dyno'd with it yet but it does make more power cause I trap 2 mph more than with the E cam.

If it were me I would go with the big Z cam or a custom cam the E cam is a pain in the @ss with all the idle and vacuum issues it has.

Just make sure you get an intake manifold that matches the powerband of the cam you choose and you will be all good.

I was thinking of the TFS intake. My only concern with the Z303 cam was a really poor idle. But if the E303 has problems, then the Z303 it is.

Although since I've been looking I've noticed ads on the boss 302 crate engines, and I wonder what they will be like...

[Hammer]

Cam,
I've heard good things about the TFS intake, and in all honesty I would be calling Comp Cams or Crane about what you would need on a cam as considering what you are looking for, a custom cam may be just what the doctor ordered. Once you have a good idea what your setup is going to be, I'm sure that they can come up with a good solution for you that makes good power while maintaining a sense of streetability....

When I had the 306 worked over, we found out that the cam in the Kaufmann was a custom job. Considering the good power and streetable manners, I can't complain...

[95mustanggt]

Originally Posted by Hammer

Cam,
I've heard good things about the TFS intake, and in all honesty I would be calling Comp Cams or Crane about what you would need on a cam as considering what you are looking for, a custom cam may be just what the doctor ordered. Once you have a good idea what your setup is going to be, I'm sure that they can come up with a good solution for you that makes good power while maintaining a sense of streetability....

When I had the 306 worked over, we found out that the cam in the Kaufmann was a custom job. Considering the good power and streetable manners, I can't complain...

I hear you. But this crate engine comes with either a Z303 or a E303 cam. By the time I buy everything, I don't know if I want to replace the cam.

[lugthug713]

Originally Posted by 95mustanggt

Here's the long block that I was looking at using. My stang is a 3rd vehicle, so it's really a sunday driver. But I don't want to be stalling at idle because the cam is too rough. My other option is the E303 cam.

Man where is that engine for sale???

[95mustanggt]

Originally Posted by lugthug713

Man where is that engine for sale???

It's a Ford Racing Crate Engine.