So these posted on one of my local pages. Didn't know Comp Cams made springs for the Ecotec as well. What's some thoughts on these and what are they comparable to spring rate wise. I can't seem to figure out how to convert it over. They have retainers too. So for $150 its a nice basic dual spring alternative to run on stocks cams I'm hoping to rev to 8k or so. Figured a nice cheaper alt instead until most likely next year till we can afford to build a head with cams.

COMP Cams Valve Springs 985-16 - Free Shipping on Orders Over $99 at Summit Racing

COMP Cams Steel Valve Spring Retainers 740-16 - Free Shipping on Orders Over $99 at Summit Racing

 

Nice, I ran a lot of comp cams in my v8 builds. Good springs.

 

Are they even for our car?

I wouldn't recommend revving that high on stock cams. It's just not beneficial. Your power band would be better if you shifted around 7.

 

Agreed.

On stock cams, set the limiter at 7250 rpm, and shift at/ around 7k.

 

those have a 165lb on seat pressure @ an installed height of 1.750 and an open pressure of 346lbs @ 1.250 in

the stock lash adj will not handle these springs pressures and you will need to run solids that is if these springs fit our head you need to measure a stock spring to see of these are the same diameter and such

 

Holy spring pressure. I didn't even catch that.

 

Ok so to way to heavy duty of a spring then. Dang!! Well feel sorry for the guy that bought them then. He's putting them in an LNF.

As for the cams I was making power all the way to 7500 and still didn't drop off and ran out of fuel. So I wanted to see if they'll make it to 8000 rpm

 

Define "making power"

 

Was still rising, hadn't dropped off yet. Basically peaked at 7500

 

tis true... magic pixie dust made it happen

 

oh yea the chain wont last either

im sure you can add enough timing and pressure to make power that high but its not worth the stress on the engine

 

Well I know a guy that knows a guy that knows sum yung gai!!

How so??

 

Richie,

we upgrade all the timing bolts to ARP and put a new chain in

You got 120k+ on that chain and bolts; it's just a matter of time

 

Oh is that all pfftt no biggie. Already did the bolts. Chain look fine but could always just get another chain for $35 at the dealer and throw it in with the springs

 

REV THE ******* **** OUT OF IT THEN!

:P

ATI/BS DELETE
do eeet

 

the lsj cams were designed to stop making power at 7000 sure you can force more air in run the timing way up and force the engine to make power past what the cams were meant to do but at what cost everyone has to pay the piper sooner or later

 

Well arp bolts and bs delete is already done. Valve springs and ati is on the do to list.

Is the chain your only concern or the whole valve train itself even with springs?

 

He was saying the chain won't last with 165lbers lol

 

the lash adjusters and chain will be the weak point im on 102lb on seat springs and the lash adj at times give up

 

Oohhhh your still talking about using the comp cam springs lol. No wonder I'm confused haha. Yeah I wont use those. I'll save up for Supertechs or try and score some used ones

 

I have the supertech 95lbers. With titanium keepers and locks.
bates told me he makes the titanium locks and keepers for supertech. If that's true or not Idk. I do know mine r not magnetic, making it a pain in the ass to assemble or disassemble cuz u can't use a magnet to speed things up.

The option almost doubled the cost of the kit though

 

swag

 

I made power to 7600 on the stock cams and a 2.9 and also 2.7 with a pretty basic timing map. It just started to level off right at 7600. Shifting a TVS car at 7k is like putting the tip in and backing out, even if you do peak at 7k and happen to lose 10hp by revving it out, its better than shifting at 7 right when you get into peak power and then dropping to like 5500 and being at 50whp less than peak with similar torque. The more time spent closest to peak power the faster you will be. I guess I just don't understand why anyone would want to shift right as you get into peak power. These aren't M62 cars, and even then the same applies, just not as much rpm.

 

I agree. I don't like shifting at 7k. It's still making power and wants pull. Car is faster the higher a shift it.

 

Yolo