Weird, I guess GM retired the LS427/570 already. Wonder what they have up their sleeves. I just emailed a dealer to get a status, and asked if there's anything new scheduled to be released
https://www.chevrolet.com/performance-parts/crate-engines/ls/ls427-570
Appreciate the feedback! I did read about the guide issue with the LS7 heads.. wonder if any of that was changed with the new refit. Might have to just follow in Joel's footsteps and go with the LT4! Joel i'm still going to make it your way to see your build one of these days.
Anyone have any insight (or opinions) on the new GM LS7 LS427/570 crate engine? 570HP/540TQ, with wet sump oiling. More power and easier to install than say the LS376/525 package. Sounds like the LS7 is a little heavier though.
https://www.gmperformancemotor.com/parts/19421004.html
went back and read Cam's blog, and seems his opinion is to have the gears swapped pre-install.
"In its original configuration, I believe the Graziano transaxle is geared too short for a street driven SLC. I find myself almost speed shifting into 3rd; in fact, skip shifting second and going...
Thanks All.. i'll most likely be using a GM crate - LS7 or LT4 are the top two at this point. I think what i was looking for is if the stock Graz is really that miserable with a GM block. Sounds like it is. It seems there are plenty of people out there without drop gears, but you just don't...
Hey all,
Just put a down payment on my SLC build. Getting hung up on whether I should pay up front for drop gears or not. Fran is offering a pre-installed package with the Graziano and your choice of gearing, but at a cost of an additional $4k (install plus shipping both ways). Most of my...