Cam Springs

Need help :whack: How much cam are stock valve springs safe for? I've never done a cam swap in a gen III motor, only old ass 350's. Wanting to put in a small cam I got for next to no $$$ then upgrade later. Trying to stay cheep for now :nutz: . Got a 99 vette cam I'm gona try for a little while. Just to see. Hoping tu use stock stuff for now. Any info helpful. :imwstupid: Please excuse dumd question I'm still new to modding these new (to me) motors. Thanks for the help. :thumb:

Do you have the specs or GM part number for the Corvette cam?

The cam in my truck now is 191/190 457/466 114
The vette specs are 199/207 472/479 117
Thanks for the help

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Originally posted by white1@May 4 2005, 01:05 PM
The cam in my truck now is 191/190 457/466 114
The vette specs are 199/207 472/479 117
Thanks for the help

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No problem. With your 5.3 and this cam, it's kind of a "bolt on" upgrade. I don't think you need to worry about a spring upgrade. The stock springs are adequate to about .5 I think. Not sure about power gains, but some other guys may chime in on that.

I ran the 198/209 .500 .500 119.5 LSA in mine and didn't have a problem even manually shifting to the rev limiter (62-6300 I think) so you'll be fine, even without tuning...Zed

i got a comp xr265hr cam in my truck and im running the stock springs and pushrods in it. havent blown up yet. i turn the truck 6000-6200 the specs on the cam are: .522/.529
212/218
114 LS

Thanks for the help. Anyone with an opinion on how this will affect my power? :rock:

If you are floating the valves, better springs are definitely going to help.

my truck feels like crap down low but it pulls hard at about 3000 on

What cam do you have? :jump:

i got a comp xr265hr in mine

You may have too much cam for a daily driver. A stall will definitely make that thing come alive and much easier to drive on the street.