View Full Version : Thread size and pitch, downpipe bolts T3 turbo


ProjectP
11-27-2007, 09:55 PM
I need to clean up the threads on a downpipe bolt hole on a T3/T4 turbo. Anyone know the thread size and pitch? Seems like an 8mm 1.25 kinda fits. Is it metric? Just wanna make sure before i run a tap through it.

SiGmA
11-27-2007, 10:41 PM
Its an 8x1.25. At least mine were. Garret T3/4

ProjectP
11-27-2007, 11:35 PM
OK thats what i thought, bolt i tried seemed maybe a little loose so i just wanted to make sure. Thanks