Stage 1x

yeah it'll work fine, just get some 105lb springs to compliment it. hell i might be parting my car here soon , that has a s1x in it that jjust got polished 1200 miles ago....

i am very partial to my S1X package!

would LS6 valve springs be an alright upgrade, they are 95 lb springs, I currently have those on the car, and during my rebuild, I put a s1x in it, havent started it up yet, just curious

Doug I'd imagine the LS6 springs would work, but you might want to keep the redline reasonable. The cam specs on the S1x are so close to the XP, and most everyone runs 105's with the XP from what I understand.

any thoughts on the newer ls6 springs? 95 lbs i believe. 6300 rpms, max, yea or nea

The cam specs on the S1x are so close to the XP

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Actually from what I have seen the XP is much closer to the stage 2 than the stage1X

I have the stage2 and was going to use the newer LS2/LS6 springs which I think are still 90lb springs. INTENSE recommended the 105lbers and Zoomer said the LS2 springs would be fine up to 6300rpms.

dougsgtp said:

any thoughts on the newer ls6 springs? 95 lbs i believe. 6300 rpms, max, yea or nea

Click to expand...

I have the Ls6 springs oin mine and I'm shifting a tad over 6300 (more like 6350) and it's been fine. I may bump up the shift points to 6400.

I use 105's on my s1x...

i have a double roller chain and no balance shaft but at the dyno almost hit 6500rpm each time...

LS2 springs are the same as LS1s, 70lbs seat pressure and not really an upgrade. LS6 springs are excellent for most mild and moderate cams including the S1x IMHO

I have the 105s in my car.

anybody notice the guy who started this topic has an L36?

Specs are alot different on the NA cam, and he prolly doesnt need NEARLY the upgrades described.

Mat