2007 LS2, 1 bolt cam in engine, aftermarket cam 3 hole, will it fit?????
#1
2007 LS2, 1 bolt cam in engine, aftermarket cam 3 hole, will it fit?????
2007 CTS-V LS2. Ordered a cam through a reputable site sponsor. Mechanic opened engine to do the cam swap, and found the cam is a one bolt camshaft. The camshaft I received has 3 bolt holes. We are very concerned that the cam won't fit the block, even if a 3 bolt cam sprocket is used. If a 3 bolt cam sprocket will work, should the entire timing assembly be swapped for a "matched set" or would just replacing the cam sprocket with another OEM GM sprocket do the trick? Engine has been bone stock until today. Are LS2's supposed to use a 3 bolt cam or a 1 bolt cam? I don't want to proceed further on the build until this is squared away.
#3
Would you recommend I contact the cam grinder and have them grind another cam for the 1 bolt pattern, or just have the mechanic get an OEM GM 3 bolt cam sprocket and keep the current crank sprocket? I already bought a new LS2 timing chain which I gave to him. Is the block machined any differently with the 1 bolt cam? Issue is the car's on the rack, it can't sit there for long, and I need to find out the best plan with which to proceed. Does GM make "matched set" timing chain sets, or are the 3 different part numbers for each sprocket and the chain? I mean, if just the cam sprocket is changed and a new chain installed, is that going to throw off the cam timing?
Thank you for your help.
Thank you for your help.
Last edited by lubelizard; 01-17-2011 at 06:30 PM.
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#9
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Just grab GM part#12586481 (3-bolt 4x Cam gear) and corresponding cam bolts and you'll be good to go. The cam journals will be the same size and interchange perfectly from a "size" standpoint!
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!