getting GT2-3 have ?'s
getting GT2-3 have ?'s i will be getting the GT2-3 next week and want to know if i can keep the stock springs or if i would have to get new ones? would i have to change anything else?
teh cam gods.
teh cam gods. 
TECH Resident
Joined: Jul 2003
Posts: 834
Likes: 0
From: Marysville, OH
What is the lift on that cam? I have not seen very many people willing to stick with stock springs after a decent cam install.
From the Lingenfelter website
Underneath that heading I saw a GT2-3 so.......
From the Lingenfelter website
LPE has developed several new camshaft profiles for the LS1 engine to improve horsepower and torque without sacrificing the LS1’s driveability. LPE only uses induction hardened cam cores to produce a OEM quality camshaft that can be used with the factory lifters. Cams require spring and retainer changes. Some of these camshafts are not compatible with stock computer programs and will require software changes.
any new cam you'll need springs; gt2-3 is 207/220 .57x/.58x 118.5lsa. basically an ls6 cam on steriods. since your gonna have an 02 oil pump and chain should still be good. just springs and retainers would be fine. i'd pick up the manley kit from SDPC, its spring good for .600 lift and tit. retainers for 178. or you can pick up some comps 918's and re-use your stock steel retainer or buy some tit. ones. new push rods arent required but i'd pick some up as well. some hardened 7.4 pushrods.
At a minimum put 918's springs in with that cam. If I were installing it I would also stick in some titanium retainers and hardened pushrods.
Don't try to use LS6 springs or your stock springs. You'll be very sorry if you do.
Quick reference chart
your stock springs
918 springs
Got it?
Don't try to use LS6 springs or your stock springs. You'll be very sorry if you do.
Quick reference chart
your stock springs 918 springsGot it?
Originally Posted by jrp
any new cam you'll need springs; gt2-3 is 207/220 .57x/.58x 118.5lsa. basically an ls6 cam on steriods. since your gonna have an 02 oil pump and chain should still be good. just springs and retainers would be fine. i'd pick up the manley kit from SDPC, its spring good for .600 lift and tit. retainers for 178. or you can pick up some comps 918's and re-use your stock steel retainer or buy some tit. ones. new push rods arent required but i'd pick some up as well. some hardened 7.4 pushrods.
do you have a link to the manley kit?
Originally Posted by NviouSS
do you have a link to the manley kit?
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Originally Posted by jrp
did it myself using jmx's guide on ls1how.com
find out what raging motors will charge, if its a good deal i'd go for it, if not then i'd try it yourself.
find out what raging motors will charge, if its a good deal i'd go for it, if not then i'd try it yourself.
Originally Posted by NviouSS
i sent them an email yesterday but haven't heard back yet. i would do the install my self but i'm afraid that i would mess something up. did you run into any problems whey you did yours jrp?
read over it, read it again, and then read it one more time
.beyond the normal first time cam install stuff its not that hard. oil pan bolts, oil pick up tube, getting the timing crank on the crank snout, and using a shitty vavle spring too, ect. i've done 2 since the first one and they keep gettin easier. first time around i did the whole shebang; cam, springs, pushrods, oil pump, timing, chain, pulley, and intake. so it took me a bit.
