Which valve springs?
The springs will not be too hard on your valve train, and yes you will need new seats retainers and seals. Shimming is going to depend on your installed height and cam lift. On a street car we recommend about .080" from bind.. This lessens the overall stress on the spring and still keeps it at an adequate coil bind height.
Ok, let me see if I understand this right. If I order patriot dual's which have a coil bind of 1.09, my max lift is .603 and the recommended install height is 1.8. If I install the springs and they measure out to be 1.775 then it would be damn near dead nuts with the .080 coil bind. But if I install them and there right at 1.8, then I would have to put roughly a .030 shim in there to get it where I want, correct? Am I thinkig about this the right way or am I way off?
Looks like I'm going with patriot dual gold springs. I'm still going be running stock heads for the time being. Would these springs be to hard on the valve train? And since I'm going with dual's, I have to buy the whole kit correct?
Last question is, if I buy the patriot springs will I have to do any shimming, or is it just drop in and go?
Last question is, if I buy the patriot springs will I have to do any shimming, or is it just drop in and go?
Y'all lost me right there.
I will install and check the height and go from there. I want to do it right the first time. I don't want it to mess up on me down the road. And plus it doesn't seem like it's that hard to shim them if it's needed. Just time consuming.
I will install and check the height and go from there. I want to do it right the first time. I don't want it to mess up on me down the road. And plus it doesn't seem like it's that hard to shim them if it's needed. Just time consuming.
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Verdad Gallardo Just take your time and do it right.
Depends on the spring rate, lift, RPM range and application of the spring. We usually recomend .075 plus or minus .025. If you want to get real technical we suggest to the race guys .005" incriments between pulls to find the exact spot the engine frequency has as little effect on the natrual frequency of the spring. There really is no sweet spot for say.
Depends on the spring rate, lift, RPM range and application of the spring. We usually recomend .075 plus or minus .025. If you want to get real technical we suggest to the race guys .005" incriments between pulls to find the exact spot the engine frequency has as little effect on the natrual frequency of the spring. There really is no sweet spot for say.
I actually use and sell alot of your guys springs in my own applications and sell them to numerous customer with A+ results. 
I don't know why you would go with patriot springs though. There are much much better springs out there. The longevity of the patriots isn't that great from what I hear. I would just go with the pac single springs.
I'd say that as long as you dont run higher than a 224 cam you shouldnt have to worry about shimming (although you should always check coil bind agreed), its the bigger cams where that really becomes a factor, am i correct in assuming this turbobuick?