Pac 1581's with .647 lift?
02-29-2008, 03:53 PM
#1
Pac 1581's with .647 lift? Just looking around at springs some more and found PAC 1518's. Just wondering what your thoughts are on them. My cam is 235/240 .647/.608 on 112. Would those springs be fine with my setup? Thanks in advance,
Jakson
Jakson
Last edited by Jakson; 03-01-2008 at 11:43 PM.
03-01-2008, 11:42 PM
#4
Doh, my bad, I guess I was dislexic when I wrote this. 
I think I might go with a different cam after more research and talking with the local engine builder. I might just get something with a little less lift and run singles without worrying about it.
I think I might go with a different cam after more research and talking with the local engine builder. I might just get something with a little less lift and run singles without worrying about it.
03-02-2008, 10:22 AM
#7
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These arn't 918s.
For LSK/XFI lobes I'd stick to duals. PAC-1221s, Comp 921s, Patriots, etc. Unless you can fit a 1.445" OD beehive.
Beehives are the way to go with soft to medium lobes (XER, XE, etc).
I do know of a few shops running well over .650 lift with LSK lobes on PAC-1518s (and they're holding up fine), but I can't recommend it.
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03-02-2008, 01:12 PM
#8
These arn't 918s.
For LSK/XFI lobes I'd stick to duals. PAC-1221s, Comp 921s, Patriots, etc. Unless you can fit a 1.445" OD beehive.
Beehives are the way to go with soft to medium lobes (XER, XE, etc).
I do know of a few shops running well over .650 lift with LSK lobes on PAC-1518s (and they're holding up fine), but I can't recommend it.
For LSK/XFI lobes I'd stick to duals. PAC-1221s, Comp 921s, Patriots, etc. Unless you can fit a 1.445" OD beehive.
Beehives are the way to go with soft to medium lobes (XER, XE, etc).
I do know of a few shops running well over .650 lift with LSK lobes on PAC-1518s (and they're holding up fine), but I can't recommend it.
Whats going on Doug? Sorry about that, late night post that I read incorrectly. Do you have any single springs that will hold .650 on XE-R lobes? (G5 cam with 1.8 rockers)
