Which valve springs?
Which valve springs? I bought a cam off a member on here and I'm a little confused on which springs to get with it. It's an eps cam and the lift is 601/603, the car has 107,000 on the clock so I'm thinking I should change the retainers, seats, locks etc..? I was looking at the pac 1518 and they reuse all the factory stuff, but should I trust it? Or should I just order say a prc spring kit and be done with it?
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Comp 918s would also work great here. I run them on most of my street builds, I also like Comps Tool Steel retainers(1772-16), better than their Titanium counterparts.
Ti wears over time and the Tool steel doesnt. I install tool steel retainer in EVERY engine build where the builder can afford the extra coin.
I weighed them all;
OEM Steel beehive retainers 12g
Tool steel retainers 7g
Titatnium Retainers 6g
Ti wears over time and the Tool steel doesnt. I install tool steel retainer in EVERY engine build where the builder can afford the extra coin.
I weighed them all;
OEM Steel beehive retainers 12g
Tool steel retainers 7g
Titatnium Retainers 6g
Comp 918s would also work great here. I run them on most of my street builds, I also like Comps Tool Steel retainers(1772-16), better than their Titanium counterparts.
Ti wears over time and the Tool steel doesnt. I install tool steel retainer in EVERY engine build where the builder can afford the extra coin.
I weighed them all;
OEM Steel beehive retainers 12g
Tool steel retainers 7g
Titatnium Retainers 6g
Ti wears over time and the Tool steel doesnt. I install tool steel retainer in EVERY engine build where the builder can afford the extra coin.
I weighed them all;
OEM Steel beehive retainers 12g
Tool steel retainers 7g
Titatnium Retainers 6g
26918TS-KIT. Good to .625 lift. Although this kit is a complete valvespring kit, and cost more.
I personally just ordered 26918-16 springs & 1772-16 retainers, then reused my OEM locks and seats.
http://www.compperformancegroupstore...Category_Code=
I personally just ordered 26918-16 springs & 1772-16 retainers, then reused my OEM locks and seats.
http://www.compperformancegroupstore...Category_Code=
1. Everyone builds a safety net into their quoted lift limit.
2. Typically deflection causes you to loose some lift.
For example; I ran my 918s on my .621" lift cam and had to shim every single one between .015-.060" to get them where I wanted them.
I bought a cam off a member on here and I'm a little confused on which springs to get with it. It's an eps cam and the lift is 601/603, the car has 107,000 on the clock so I'm thinking I should change the retainers, seats, locks etc..? I was looking at the pac 1518 and they reuse all the factory stuff, but should I trust it? Or should I just order say a prc spring kit and be done with it?
I am sure a PAC beehive spring will/can handle it. But contact Geoff @EPS with your specs and intended RPM range with the motor and I am sure he will tell you what to use.
You don't have to change retainers and locks, but I would get Springs rated above whatever the lift on your cam is just to be safe, but if your heads look beat up I would change everything I could while they were 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?