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Mike Pearson · 01-27-2014, 03:49 PM

Ed,

We have one engine with the PAC 1.5 springs. They have held up real good Lift is just over .800 at the valve. Installed at 2.100 we get about 350 on a new set. If your spring seats are cut for the triple springs you will need their spring positioners to keep the spring located properly to the guide. we had a learning curve on that.

01-27-2014, 03:49 PM	#6
Mike Pearson VIP Member Join Date: Mar 2007 Posts: 2,451 Likes: 615 Liked 1,937 Times in 582 Posts	Re: dual valve springs Ed, We have one engine with the PAC 1.5 springs. They have held up real good Lift is just over .800 at the valve. Installed at 2.100 we get about 350 on a new set. If your spring seats are cut for the triple springs you will need their spring positioners to keep the spring located properly to the guide. we had a learning curve on that. __________________ Mike Pearson 2485 SS