New Cam

9T3SVT · Post by **9T3SVT** » Sun Jan 28, 2007 8:45 pm

I just wanted to know if I put a Ford Racing F303 cam in my Cobra, will I need to change anything ??? I was told that I wouldn't have to seen 93 Cobras have 1.7 rockers. Is this true ??? I don't know much about cams so please help me out guys !!!

black93svt · Post by **black93svt** » Sun Jan 28, 2007 9:20 pm

You might have piston to valve clearance issues with an F-303. AN E-303 with the 1.7's will work for sure but don't know if the F will clear. I had a buddy with AFR 185's and an F cam and they had to cut the pistons to make it work. Beings stock heads have smaller valves I'm not sure if you'll run into an issue or not.

QWKSNKE · Post by **QWKSNKE** » Thu Feb 08, 2007 7:54 pm

I 'think' it will work.

I am pretty sure that the problem black93 mentioned is because he was using a head with a 2.02 valve.

According to math I just did, an F cam would have .544 lift with 1.7 rockers. I ran a 544 lift cam on my cobra with stock bottom end with no problems

CobraStrike93 · Post by **CobraStrike93** » Sat Feb 10, 2007 10:16 pm

I know it is not my thread, but how much power increase did the F cam give a pretty much stock cobra?

Post by **BADBOY** » Sun Feb 11, 2007 3:26 pm

CobraStrike93 wrote:I know it is not my thread, but how much power increase did the F cam give a pretty much stock cobra?

Good question.

CobraStrike93 · Post by **CobraStrike93** » Sun Feb 11, 2007 9:09 pm

I wouldnt mind changing my cam, but if the increase is not much, or not much noticeable than I wont.

QWKSNKE · Post by **QWKSNKE** » Sun Feb 11, 2007 9:41 pm

I don't think you will see much over what a B or E cam would offer with stock heads. F cam 'might' be overkill because our heads in stock configuration stop flowing decently at .500 lift.

Instead of going with a alphabet cam look into a custom cam or some of the custom off the shelf grinds that AFM offers. I am currently on my 2nd AFM cam and I am just as pleased with it as I was the first grind I used.

QWKSNKE · Post by **QWKSNKE** » Sun Feb 11, 2007 9:45 pm

Forgot to add that I used a B cam with 1.7 rockers with stock heads (upgraded springs) in the cobra and made decent power. But there are better options out there

Ford · Post by **Ford** » Mon Feb 12, 2007 12:24 pm

Knew a guy several years back that was running an F cam in his 93. He ventured down to Dixie from Indiana for some sort of escapade. Legitimate street tires on the car,a bottle in the hatch...needless to say some of the vagabonds went out for a little street racing later on in the night. Various and sundry cars present with and without street tires. This 93 got ate up out of the hole but sucked them down and spit them out by the end of third and fourth. Car pulled hard on top end with the F cam. Very distinct idle, I do remember that about the F cam.

Keep us posted on the F cam swap.

CobraStrike93 · Post by **CobraStrike93** » Mon Feb 12, 2007 8:25 pm

Very interesting. Maybe what I should do is a head and cam swap, and keep the stock heads and cam for originality.

Post by **BADBOY** » Mon Feb 12, 2007 9:10 pm

There is a easy joke to be made here, but I wont do it.

When I list my car forsale, if it dont sell fairly quick I might concider doing motor work to it.

QWKSNKE · Post by **QWKSNKE** » Wed Feb 14, 2007 6:45 am

CobraStrike93 wrote:Very interesting. Maybe what I should do is a head and cam swap, and keep the stock heads and cam for originality.

you wouldn't believe what a head swap would do for you

Post by **BADBOY** » Thu Feb 15, 2007 6:11 pm

There is nothing like some good head..........................................s

QWKSNKE · Post by **QWKSNKE** » Thu Feb 15, 2007 7:26 pm

BADBOY wrote:There is nothing like some good head..........................................s

LOL. Is there a such thing as bad head

9T3SVT · Post by **9T3SVT** » Fri Feb 16, 2007 6:36 pm

Lunati 51025 would I have to change anything to make it work? Can I use stock 1.7's and not worry about piston to valve clearance ?

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