Valve springs 340 Stocker Engine

Mike Coe · 09-30-2015, 05:49 PM

Thanks for the reply Mike. None of the PAC springs will work and I checked out the 1409X and it won't work. I've been through every valve spring chart I can find and I haven't found anything that will work better than the Isky springs that are made by PSI. There is probably a spring out of a dual spring set that will work, but by looking at the charts I haven't run across it. If someone knows what others are using it would sure be appreciated. I've seen a couple that might work, but it would be close and I hate to buy several sets of springs and find out it's a no go. The inside diameter of the spring has to be about one inch and must travel about .520 for lift and coil bind clearance at the 1.680 to 1.700 installed height. The short installed height is the killer. Thanks, Mike Coe 5151

09-30-2015, 05:49 PM	#3
Mike Coe Junior Member Join Date: Feb 2003 Location: Colorado Posts: 51 Likes: 1 Liked 0 Times in 0 Posts	Re: Valve springs 340 Stocker Engine Thanks for the reply Mike. None of the PAC springs will work and I checked out the 1409X and it won't work. I've been through every valve spring chart I can find and I haven't found anything that will work better than the Isky springs that are made by PSI. There is probably a spring out of a dual spring set that will work, but by looking at the charts I haven't run across it. If someone knows what others are using it would sure be appreciated. I've seen a couple that might work, but it would be close and I hate to buy several sets of springs and find out it's a no go. The inside diameter of the spring has to be about one inch and must travel about .520 for lift and coil bind clearance at the 1.680 to 1.700 installed height. The short installed height is the killer. Thanks, Mike Coe 5151