Thread: valve spring question

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Originally Posted by 78c10

looking to re-use the 882 castings. just wanted to know if i could save myself a few bucks without huge problems. i should mention also that both sets of springs are from roller motors and the originals are not

well thats not much help theres no way to say what you can used or have if there not stock springs .if you have no way to check the set up height and the lbs is at set up then there is open lbs then there the outer
i.d of spring sounds like you should take them and have a machine shop.have them set up so yes you could have problems if you can not checking any of this. they are not a stock spring who knows ? i set heads up all the time you need to start out knowing your cam lift and what it needs for seat and open lbs and what the spring part number is nice but you still need to know what is open and close with a spring tester . were you can set the spring up at in the head with hard ware you have. will it coil bind is the spring I.D OR O.D going to hit. will the head need the spring pockets cut ?can they be cut ? get this wrong you can hit water junk a set of heads will the spring hit valve seals will retainers work can you get the setup were you need it. V heads need a spring made for the o.d and i.d for that head will your springs work like i said you need to check them for O.D I.D setup LBS and openLBS and coil bind and shim if set up is loose or if you shim or use a 050+ or 050- lock or retainer .this is just a start