denmah

iTrader: (2)

ive been using PRC's for alot of projects, but they are 300 bones, i have no complaints other than the price, i am sure i could be using something not so crazy. or am i doing it right?

ive seen lots of trickflow's iwth 130lbs of seat pressure and a set of comp duals for like 200 with 140lbs of seat pressure both rated around .600 lift.

a few of springs are out of stock like the comps and patriot's till the end of the month and i wanna start this project this weekend, so its leading me to wonder if some 120-140lb seat mild duals will be fine, and will they use stock retainers and cups?

what are you guys using and how much were they?

zr1 cam going in a stock 5.3 with a 70mm

denmah

iTrader: (2)

something like this?
http://www.summitracing.com/parts/CCA-26925-16/

can i use stock retainers and seats and seals?

denmah

iTrader: (2)

and here are singles with some good seat pressure
http://www.summitracing.com/parts/TFS-16120-16/

WS6HUMMER

iTrader: (19)

You get what you pay for, ask me how I know, lol.
Ran my best ET ever since then and still gonna go for 9's just like this, with Patriot dual Gold Extreme's. Btw they will be doing all of my machine work on my future build, great people & good workmanship.

Hank Peabody

iTrader: (2)

I used Pac 1218 on both my cars, were ok at 16psi on the Monza with the .561 lift cam, $140 at sdpc.

denmah

iTrader: (2)

you've sold me mr hank.

damn i just got my zr1 cam and ls2 trailblazer cam gear from them, i could have thrown these on the order

WS6HUMMER

iTrader: (19)

Are those beehives or duals? I'm running a little 224/563 old school thunder cam & floated some beehives that were rated to 600" lift.

BTW, I had a 77 Monza (H07), was a bright yellow factory 305 car, I wish I never sold that thing!

denmah

iTrader: (2)

ill be revving about 6200 max

what are you revving?

milkey57

iTrader: (7)

I run these good deal at 205 too :
http://www.coloradospeed.com/index.p...ducts_id=13960

Seat Pressure :153 lbs.
Open Height (in):1.150 in.
Open Pressure (lbs):400 lbs.

Hank Peabody

iTrader: (2)

Those TFS springs you found look a little stronger, but the O.D. is bigger, makes me wonder if they fit in the head and can use stock retainers?! Is this for the Fairmont? There are going to be alot of junkyard turbo cars at Island this year!

The cam in my Monza/LQ4 is a 216/561, only revving 6000-6200, doesnt dyno for ****, Denmah dynoed it even(small world!) but ran 144-145mph at 3300# a few times so couldnt have been floating the valves, never stopped pulling. I seem to have better luck with the beehives than other people, or maybe the Pacs are just really magical

Probably good thing you sold that Monza, total nightmare finding a decent rear for them!

denmah

iTrader: (2)

yeah i picked up a th400 and converter today! whoooooo here we go

Nitroused383

iTrader: (10)

If you're going to run a single beehive run the PAC 1518 or 1519 over the 1218's, not much difference in price and a lot higher quality spring. You really should be around 160-170lbs on the seat with that much boost, especially if your back pressure is going to be high.

WS6Hummer Was that the intake or exhaust valves that hit the piston? Intake valve if I'm looking at the pic correctly.

Thanks

hellbents10

iTrader: (10)

1518s

oange ss

iTrader: (50)

Lunati Dual spring kit is around $200, and comes with everything to install i.e. seals, retainers etc...

Louis

iTrader: (7)

That stock LS9 spring will hold 22 psi just fine in the ZR1s, but it does have a Ti valve.

WS6HUMMER

iTrader: (19)

Yeah it was the intake valves, & can you believe that out of the 7 that kissed the pistons none were bent.

qqwqeqwrqwqtq

...and there isn't 40+psi backpressure trying to hold the exhaust valve off it's seat

FOUROHSICKS

I'm gonna use the ls9 springs from lingenfelter cheap too.

MattSapp95_T/A

iTrader: (35)

I am running Manley Nextek .700 springs w/titanium retainers.... cost a fortune but great springs!

lynmup

iTrader: (6)

Do you have any stock LS6 yellow springs?