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ls1 to ls6 heads
ls1 to ls6 heads I am cammed 232/238 duration .599/.600 lift, and have full bolt ons, I made 375hp to the wheels with stock 98 ls1 heads. What do you think the improvement would be if I switched to stock ls6 heads? Any input would help, Thanks
I had cam only MS4 and picked up 25 hp across the entire range, although peak torque was about 10, I am unsure as to how well that carried throughout, and I was on a dyno with a stock clutch that was slipping at the top of 4th everytime.
I know a guy that got 421 down with cam only (ms4).
I have stock 243's with a VRX4 cam and a Ported FAST and put down 430rwhp thru a stalled auto...I plan on getting the PRC Stg 2.5 LS6 heads to get the most out of my set up...
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Thanks everyone, but since I have perimeter bolt heads now, is there anything that I need to do to switch to the 243s? Valve covers???? I am trying to have everything lined up so there are no hickups in the swap.
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Valve covers and coil brackets for them since the coils mount different (coil braket part number 12563288, you'll need two and they are about $10-$15 ea). GM MLS head gaskets are 12498544 (that's a kit with both gaskets, about $30). Valve cover gaskets were 12560696 but it looks like that part number is no longer valid.
