Cam choice - Vintage Mustang Forums

 
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post #1 of 8 (permalink) Old 05-17-2017, 04:38 PM Thread Starter
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Cam choice

Trying to figure which cam to put in the 302 I'm putting in my 67 while I rebuild the qriginal 289..4 sp car so I want a little better than stock performance without too radical of a cam....Open to all suggeations...

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post #2 of 8 (permalink) Old 05-17-2017, 04:44 PM
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post #3 of 8 (permalink) Old 05-17-2017, 08:00 PM
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I put a comp xe268h in my 289 when I built it for my 65. So far it seems pretty good. It makes good power and has a nice idle but it's not too radical.
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post #4 of 8 (permalink) Old 05-18-2017, 10:01 AM
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Stock 5.0 H.O. cam and these lifters: https://www.summitracing.com/parts/l...view/make/ford

Try to get the cam cheap or free and put the money into the lifters.

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post #5 of 8 (permalink) Old 05-18-2017, 11:45 AM
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read and pay attention to foot notes and requirements, different cams require or suggest different parts some of which are critical to the cam's performance. For example, if you get a cam who's power band doesn't come in until 2500RPM and you keep your stock converter or 2.79 gears your car is gonna be a dog. Different cams also require different valve springs so look at foot notes or contact the cam builder. Too heavy a spring and you flatten the cam lobe, too light a spring and you float a lifter at high RPM. You also have to know what you will be doing with the car, is it a daily driver, a highway commuter, a weekend cruiser, or a weekend racecar, choose one and stick with it. Don't build a weekend beast and then get pissed because you aren't getting 25MPG or it doesn't idle in traffic. My suggestion, look at what you have or plan to upgrade, piston's and compression, heads, valves and springs, rear gears, transmission, and select a cam that would best work with those spec's. I have an CompCam XE268H with AFR165 heads, a 2400 stall and 3:55 gears, and the package works extremely well together.
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post #6 of 8 (permalink) Old 05-18-2017, 08:29 PM
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My setup is almost identical to yours groho except I have 3.73 gears. It is very fun to drive it on the street and I am finally gonna take mine to the track on sunday to see how fast she runs.
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post #7 of 8 (permalink) Old 05-19-2017, 10:28 AM
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That sounds like a lot of work. Why not run the 289 and build the 302? One less engine swap.

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post #8 of 8 (permalink) Old 05-19-2017, 06:15 PM
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Quote:
Originally Posted by groho View Post
read and pay attention to foot notes and requirements, different cams require or suggest different parts some of which are critical to the cam's performance. For example, if you get a cam who's power band doesn't come in until 2500RPM and you keep your stock converter or 2.79 gears your car is gonna be a dog. Different cams also require different valve springs so look at foot notes or contact the cam builder. Too heavy a spring and you flatten the cam lobe, too light a spring and you float a lifter at high RPM. You also have to know what you will be doing with the car, is it a daily driver, a highway commuter, a weekend cruiser, or a weekend racecar, choose one and stick with it. Don't build a weekend beast and then get pissed because you aren't getting 25MPG or it doesn't idle in traffic. My suggestion, look at what you have or plan to upgrade, piston's and compression, heads, valves and springs, rear gears, transmission, and select a cam that would best work with those spec's. I have an CompCam XE268H with AFR165 heads, a 2400 stall and 3:55 gears, and the package works extremely well together.
I'm running an XE268H and AFR 165 heads as well. I have 4.11 gears, though. I had a professional build my engine and that's the cam he recommended. It really woke things up!

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