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Ok I have a question for all you mustang gear heads........I have a 91GT, I wanna upgrade my cam mildly to a Ford Racing B303. Can I keep my stock heads/springs the same or will I need to upgrade those as well? Im trying to slowly upgrade the entire car but on a tight budget. Any help would be great!
 

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Ok I have a question for all you mustang gear heads........I have a 91GT, I wanna upgrade my cam mildly to a Ford Racing B303. Can I keep my stock heads/springs the same or will I need to upgrade those as well? Im trying to slowly upgrade the entire car but on a tight budget. Any help would be great!
I would get a set of 1.6 rockers too
 

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+1 on the stock heads being good.

I would recommend a spring upgrade so you don't have to worry about spring failure with the added lift.

Seeing how your on a budget, cleaning up the intake and exhaust ports in your heads and matching the port size to the gaskets will help you pick up a little more with the added airflow of the cam. That's something you can do yourself with the proper tools.
 
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