guys that have modified headers to fit lsx series engines what did you have to do? can you please post pics of what you had to do? jsut cut of flanges and weld on ls flanges? could you use 5.0 headers? or only 351w header?
I CAN tell you to pay attention to the spark plugs. I didn't and I just used 351 Mid length accufab headers. I cut the ford flanges off and welded up the LS Manifolds. They bolted up and cleared GREAT....until I decided to check the plug clearance.....No dice. SO now I have a great set of paper weights. Check my build thread here for pics
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