what springs/retainers with your ZEX 53900?

[DOHCDX]

are you using OEM or aftermarket valvesprings/retainers?

if OEM, how long have you been running them?

[Devine_wind]

the cam packeage say not to run your stock valve springs just go buy a set of KMS ENGINEERING valve springs and titanium retainers for like 300.00.

[Arachnid]

it says that. but a bunch of us in d-series are doing fine without springs. that's with us though...

[Dirk-EG]

Skunk2 Valvetrain, now looking for a great deal on the 59300.

[transzex]

stock retainers, ZEX/Comp springs........

ZEX 59300 spun to 7800 rpm without issuebut I shift (NA) at 7400 rpm.

[DOHCDX]

interesting

i only ask because rocket on H-T says the OEM z6/y8 springs are good enough for the ZEX stage 2 at 9200rpm where his customers tested them. he only recommends upgrading to TI retainers.

my debate now, is whether or not they're good enough for the crower 2

[NeveruN]

i am running stock everything but the zex 53900, i am getting a AEM adjustable cam gear soon, and valve springs but dunno what kind yet.

[specialED]

i am running stock everything but the zex 53900, i am getting a AEM adjustable cam gear soon, and valve springs but dunno what kind yet.

Are you still on the stock valve springs/retainers? Any problems so far? I'm trying to decide if I can get away with running stock valvetrain with a 53900. My rev limit is set at 7400 rpm and I very rarely get up there.

[92SIvic]

zex/comp springs... brand new stock retainers...

[HybridSohcVtec]

For my current build, I opted for the zex 53900 w/ matching valve springs & titanium retainers. I also picked up a aem cam gear. So Im hoping after my head work with some other key components to be pushing 135-140 whp then a 75 shot of nitrous:)