What is the largest dry shot that people run on a 5.3 with stock injectors and stock fuel pump? I'm running a 75 dry shot with NGK TR6 plugs,fipk,shorty headers,Corsa cat back,westers 91/93 hot tune and wanted to know because I might try my 100 shot.

 

I am not a nitrous guru but running a custom tune that has the timing advanced is suicide with a large shot of N2O.

 

I ran a 100-dry on my stock 5.3L w/ bolt ons. Ran a 12.9 @ 106. The MAF wires were bent so I was actually running a NA tune (28* of timing, 13 A/F) according to my logs. It did 12.9 3 times in a row like this.

 

Im running a 125 dry but, i also have 42# injectors.