Stock, LS1, LS6 spring info

[SappySE107]

772 or 774, one is titanium and one is steel.

[gectek]

yah u asked me the # of the retainers u used that didnt fit and they were 788-12 for the beehive springs and was just wondering if you had a diff # for them. i took mine back, but i really want the titanium retainers and i get a big discount from comp, so i was still looking for some.

[SappySE107]

A different number?

[gectek]

well i think ill go with the 507 as max lift on ext. but anyway Ben do u have a diff number for the titanium retainers that u use on the beehive springs?

[Superdave]

well i wanted the titanium to shave some weight, but didnt work out like that. im just going to use the stock retainers and hardened steel locks, and i think ill keep my lift at a little below 500 just to be safe

Good idea.. You can always up the duration to make up for the lower lift as well...

[gectek]

well i wanted the titanium to shave some weight, but didnt work out like that. im just going to use the stock retainers and hardened steel locks, and i think ill keep my lift at a little below 500 just to be safe

[Superdave]

they are pn 788-12 they are for the 26915 and 26918 springs so i dont know why they wont work with mine, also they are kinda hard to get in, i have to use the spring compressor to press them in the top of the spring

I noticed that the LS1 style retainers i bought from Comp didn't fit in the LS6 yelows very well.


I'd get the black steel LS1/6 retainers with the matching locks.. then the 26915 springs. they're better than the LS6's and will let you run your .533 safely.

with .015 shims, LS6 yellows and stock retainers the machine shop said .500 or so was the highest he'd run with coil bind at .560 lift. I don't know how accurate that was but i didn't want to chance it.

[gectek]

they are pn 788-12 they are for the 26915 and 26918 springs so i dont know why they wont work with mine, also they are kinda hard to get in, i have to use the spring compressor to press them in the top of the spring

[SappySE107]

What titanium retainers are you using? I had no issues with the comp set.

[gectek]

yah i measured them with teh comp ls seats and the seats are about .060...very close, and also i cant use the titanium retainers i got for the ls6 springs on my valves, the stem doesnt stick up high enough to contact the rocker, it sits below the retainer upper lip just like superdave had on his...so i guess i get to take them back and just use the hardened steel locks and the stock retainers

[SappySE107]

Lorenzo ran .53x on his so its the most I would go. They aren't quite .060 though if you use the GM seats.

[gectek]

ok so on this note...could i run .533 lift with .060 ls seats and not worry about coil bind with the ls6 yellow springs on my stock 3400 heads

[SappySE107]

Those coil bind specs I posted aren't coil bind. They are max that my machinist felt was safe. LS6 went to 1.168 or so but it was crushed at that point. Just wanted to clear that up for anyone using this for reference.

[Rhedalert]

I thought LS1 springs have an open pressure of about the same as stock 3x00? So this test proves that's not the case....interesting!

[gpse3400]

I love my green springs.. even though they are not green anymore!!!!!!!!