Quote:
Originally Posted by Sparky67
Sorry, you can't run boost off LS3 based 427 based off the 4.1" crankshaft. The reason being that the pin is moved up higher into the piston to the point where the crown is getting too thin to comfortably handle the extra pressure. Has it been done? Yes. But the longevity/durability of that setup is definitely decreased! Even Mast Motorsports doesn't recommend boost be run on the LS3 Based 427 based off the 4.1" crankshaft.
The better option is to build a LS3 416 based off the 4" crankshaft.
Jeff
http://www.kodakgallery.com/67rscamaro |
Very, very true. I completely forgot about that.