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got these cams in....they souund good!.....close to the factory but a lil lump to em vids on youtube....they def need the solid lifter to take advantage tho..
You fitted these GMR's with standard lifters, or solid versions? (if so, details please)
Proof of power gains?
right now they have the stock lifters in...they tap like hell and the base is def too small for the stock lifters...teh stock ones move around alot while its on the base......again...video on you tube search GMR cams ion redline
i have no proof because i did alot to it at one time and i had a blown headgasket last time i dynoed it before i tore it down so...
Cant' believe these haven't sold. Great cam if you're willing to run the proper supporting mods (springs/lifters). The power they gave up top was just downright entertaining.