GMPP Racing Hydraulic Roller Lifter Kit

[BlackPanther]

Anyone have experience or have used GMPP Racing Hydraulic Roller Lifter Kit P/N 8895868, instead of the LS7 lifters or any other aftermarket lifters when doing a cam upgrade?

[Virus]

No experience with them. I'm having the Lunati High RPM Hydraulic Roller Lifters installed as we speak. Sorry to hijack the thread, interested to hear others remarks on the GMPP's.

[desertg8]

I have heard bad things about the gmpp so called cadillac race lifters. They are a little lighter. But there are tons of posts on other forums with these coming apart and causing havac in the engine. I would stick with the ls7 lifters and save the money.

[08G8V8]

I went with Lunati Street Performance linkbar lifters, based on my installers recommendation for a linkbar style lifter vs. the LS7 lifters and buckets. I have no input on them, just letting you know what I went with.

[G8-4-Speed]

The Lunati lifters are a very nice piece but you will need @.100"-.150" shorter pushrod depending on your lifter. Went from a 7.375 to a 7.300 and could go 7.275". AND this is swapping from a LS7 lifter that is already .050 longer already. SO from a standard DoD/non-LS7 lifter, you may need .150" shorter pushrod. The Lunati lifters are a bit heavier. @316 grams a pair VS 247 grams/pair for LS7. Lunati roller is .750" where as a LS lifter is @.690". This doesn't change the lift of the cam but will give it more "area" since the roller contacts and leaves the cam lobe sooner/later. This is probably only a 2-3 degree difference +/- but something to know.