I will be running a patrick g spec'd cam with .598/.600 lift. He recommended using comp 26918's, Pac 1518, or PRC duals. Which springs will be the least maintenance and last the longest? I already have the comp 26918's and the PRC duals in the shop so it is basically in between those.

Thanks in advance,
Jed

 

Given the choice Id always run the duals for the extra safety factor. Why are you switching back to NA?

 

I sold the procharger to get a TVS 2300 but what i thought was a blown head gasket turned out to be a chunk blown out of the head and a groove in the block. I had nothing but problems with the procharger and can't afford the TVS 2300 anymore. I bought an lq9 with part of the money from selling the procharger, a single head to replace the messed up one, and a patrick g spec'd cam. I don't care about 1/4mile times or how much power it makes anymore, I just want it to be fun to drive and not break anything. I think the internals in the 370ci are fine and will eventually get them checked out. If they are ok i'll put them in a new block and either sell it or put it in a project eventually.

Jed

 

I would use the 1518s myself. Should be less maintenance and also easier on the valvetrain. Maybe quieter operation too. And still good to .650" lift.

 

I might be interested in your rotating assembly in a couple months

The duals are pretty quiet, the only springs Ive found to be stock quiet are the manleys but the only set Ive installed myself had a spring break after a couple years of use...

 

+1 the 1518's are my choice too

 

It's really between the comp 26918's and the PRC duals. I don't want to buy another set of springs because I already have both of those.

 

I'd go with the 918s myself. Judging by the lift specs on the cam, those are EPS lobes. Same cam I have. I spoke with Geoff, the owner of EPS, and he recommends 918s with it.

 

Yes they are EPS lobes.

 

Arent even some of the new 918s breaking?