OEM valve springs w/ E303 cam?

[lazy_stang]

well,
after a long winter and getting a bunch of parts put on the stang and then driving from the shop to my house (20kms) and blowing it up (rod bearing) I finally pulled the engine last weekend, stripped it and am prepping my new(er) motor. . . its 0.020 over, and found out today when i pulled the cam out it has got an E303! Tomorrow im picking up my new rod and main bearings and arp head bolts along with my gasket kit and Im dropping the heads off to get cleaned and magnafluxed and springs checked. . .
Now I have a question. . . with a E303 cam can i run the stock valve springs on my stock heads? I know its a good idea to upgrade but im getting kinda tight on cash so can i get by w/o replacing the springs. And what kinda money am I looking at for a set of roller rockers? anyone have any 4sale?

Thanks people

 

[Vinnietbird]

I have been told that upgraded springs are good to have,BUT,I have an E303 and I have stock springs in my ported E-7 heads,and haven't had any issues for the past year or so.I installed the 5 speed last summer,drive the car hard at times,and all has held up well.I can't tell you to keep the stock springs,I can only say they are working well for my engine.

 

[lazy_stang]

thanks Vinnie

 

[phutch11]

Agreed had them on my car for awhile with the e-cam and 1.7s and it was a great combo.

Good luck...

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[Maryland Stang]

Float the valves just one time and you may not like the results. It also gets pretty ugly when a spring breaks too.