Should I replace the springs? And how much more work would it b to put a cam in?

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91 RS Camaro 5-speed black w/t-tops 305 TBI now TPI
MODS: SLP cold air intake w/K&N, air foil,Accel 19 LB injectors, March aluminum under drive pullies, Alburn pro posi, Aluminum drive shaft, Random Technology 3'' cat-back, 8.5mm MSD wires, 160 thermo, jet fan swich, Custom chip with 91 vette computer, SSBC slotted rotors, optima battery in the rear, BMR adjustable lower control arms and panhard rod, Kenny Brown strut tower brace, TB bypass, no egr, no air

 

The car is 11 years old now. A good set of stock replacement springs would be a good investment. Valve springs don't last forever. They lose their temper from all that heat and movement. You'll probably pick up a few tenths also from the change. Normal spring pressure is around 80# closed and 230# open. Old springs can be very bad with 60#/180#. That will make a lack of performance. Since you're going in to change the valve seals anyway it doesn't take much to throw on some new springs.

Since your sig doesn't mention any cam change that's why I suggest stock replacements. You don't have to use GM springs. CompCams and Crane both offer good choices.

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87 IROC SuperPro race car
461 big block
Best ET on a time slip: 11.589
Best MPH on a time slip: 115.91
Best corrected ET: 11.114

Altitude corrected rear wheel HP: 457
Best 60 foot: 1.646
Member of the Calgary Drag Racing Association

 

That is right I still have the stock cam. I was thinking about putting a lt1 or l98 cam in while i had it apart. Was just wondering what all was invalved in doing that. I read somewere that you can leave the heads on while doing this. I would have to remove the intake and radiator though right?

One last thing i have to pull the plugs out and just got ac delco plug in there now. What do u recomend putting in?

[This message has been edited by 91RS5speed (edited June 25, 2002).]

 

The heads stay on for a cam swap. Rad has to come out. AC condensor can be swung out of the way. Intake needs to come off to get the lifters out.

I run AC Delco R43TS plugs in my race car. You won't see any big improvment from fancy plugs except a lighter wallet. Just make sure they're the proper heat range.